libfive / libfive

Infrastructure for solid modeling

libfive

Infrastructure for solid modeling.
Homepage | API Examples | Downloads

libfive is a framework for solid modeling using functional representations.

It includes several layers, ranging from infrastructure to GUI:

• The libfive shared library contains functions to build, manipulate, and render f-reps. A great deal of work has gone into the meshing algorithm, which produces watertight, manifold, hierarchical, feature-preserving triangle meshes. The library is written in C++ and exposes a C API in libfive.h.
• The libfive standard library is a library of common shapes, transforms, and CSG operations. It is implemented in C++ and exposes a C API in libfive/stdlib/stdlib.h
• The standard library is parsed and used to generate bindings for both Guile Scheme and Python, for use in the REPL or as part of larger applications.
• Studio is a GUI application in the style of OpenSCAD. It uses the Python and Guile bindings and allows for live-coding of solid models. The interface also includes direct modeling, where the user can push and pull on the model's surface to change variables in the script.

Other projects using libfive

Language bindings

• Tovero: A 3D modeling system for Common Lisp
• libfivepy: A Python CAD library (work in progress)
• Bindings for Unity
• High level Rust bindings
• Unpublished Stanza bindings (email for details)

Viewers

• Inspekt3D: Lightweight pure-Guile viewer
• PyFive3D: Lightweight pure-Python viewer (work in progress)
• C5H12 (Pentane): Lightweight C viewer

Research

• Massively Parallel Rendering of Complex Closed-Form Implicit Surfaces: a technical paper extending libfive to render on the GPU (reference implementation)

Community

For libfive-specific discussions, consider opening a topic in the Github Discussions tab.

There's also a libfive subforum in the SDF User Group Discourse, which is a good place for general discussion of modeling with signed distance fields.

License

(c) 2015-2021 Matthew Keeter

Different layers of this project are released under different licenses:

• The libfive library, libfive-stdlib library, and Python bindings are released under the Mozilla Public License, version 2.
• libfive-guile and Studio are released under the GNU General Public License, version 2 or later.

Contact the author to discuss custom development, integration, or commercial support.

Compiling from source

libfive and Studio are compatible with macOS, Linux, and Windows.

Dependencies

libfive

• cmake 1.65 or later
• pkg-config
• Eigen 3.3.x
• libpng
• Boost 1.65 or later

Guile bindings (optional, macOS and Linux only)

• Guile 2.2.1 or later

Python bindings (optional)

• Python 3.7 or later

Studio (optional, requires Guile or Python bindings)

• Qt 5.12 or later

When cmake is first run, it will check for all dependencies and print details of what will be build, e.g.

Checking dependencies:
  libfive:              ✓
  Guile bindings:       ✓
  Python bindings:      ✓
  Studio:               ✓   (Python + Guile)

Mac

With homebrew installed, run

brew install cmake pkg-config eigen libpng boost guile python3 qt

Omit guile, python3, or qt to avoid building bindings and/or the UI.

Then, from the libfive folder, run something like:

mkdir build
cd build
cmake -DCMAKE_PREFIX_PATH=/usr/local/Cellar/qt5/5.12.0  ..
make

(adjust based on your Qt installation, and consider using ninja for faster builds.

Ubuntu

libfive should build out of the box on the latest Ubuntu LTS (currently 20.04). If you find that's not the case, please open an issue!

Start by installing dependencies through the package manager:

sudo apt-get install g++ cmake pkg-config libeigen3-dev libpng-dev libboost-all-dev guile-3.0-dev qtbase5-dev python3

Omit guile-3.0-dev and/or qtbase5-dev if you do not want Guile bindings and/or Studio to be built too.

Building is similar as on Mac: clone the repository, then run something like

mkdir build
cd build
cmake ..
make -j4

Once building is complete, run Studio with ./studio/Studio.

Running sudo make install will install components to system-wide destinations, e.g. /usr/local/bin/Studio for the main executable. This will let you invoke Studio from anywhere in the system, rather than just the build directory. If you are using this workflow, sudo make install must be run after changes to the repository to update the system-wide installation of the executable and libraries. Studio.desktop may be used to put a shortcut on your desktop.

If you don't want the Python bindings installed under /usr/lib, you can specify the install directory using the cmake variable PYTHON_SITE_PACKAGES_DIR, e.g.

cmake -DPYTHON_SITE_PACKAGES_DIR=/usr/local/lib/python3.9/dist-packages .

Ubuntu releases before 20.04 are not officially supported; if you insist, there are hints here and a discussion of Python linking issues here.

Windows (VS2022)

Install Git, choosing settings so that it can be invoked from a Windows Command Prompt (the defaults should be fine).

Install VS2022 (Community Edition), configured for "Desktop development with C++". You only need MSVC, Windows 10 SDK, and C++ CMake tools for Windows, so feel free to uncheck other optional packages in the right sidebar, then run the installation!

Next, install dependencies using vcpkg.

(This step touches many files, so you may want to disable the Antimalware Service Executable, which will otherwise scan every single file and slow things down dramatically: in "Windows Security → Virus & threat protection settings", uncheck "Real-time protection".)

In a Windows Command Prompt:

git.exe clone https://github.com/libfive/libfive
cd libfive
git clone https://github.com/Microsoft/vcpkg.git
.\vcpkg\bootstrap-vcpkg.bat
.\vcpkg\vcpkg.exe install --triplet x64-windows eigen3 boost-container boost-bimap boost-interval boost-lockfree boost-functional boost-algorithm boost-math libpng qt5-base python3

Go get some coffee or something - this will take a while.

Once this is done installing, you're ready to actually build libfive and Studio!

mkdir build
cd build
& "C:\Program Files (x86)\Microsoft Visual Studio\2022\BuildTools\Common7\IDE\CommonExtensions\Microsoft\CMake\CMake\bin\cmake.exe" -DCMAKE_TOOLCHAIN_FILE="..\vcpkg\scripts\buildsystems\vcpkg.cmake" -DVCPKG_TARGET_TRIPLET="x64-windows" -G"Visual Studio 17 2022" ..
& "C:\Program Files (x86)\Microsoft Visual Studio\2022\BuildTools\Common7\IDE\CommonExtensions\Microsoft\CMake\CMake\bin\cmake.exe" --build . --config Release --target Studio --
.\studio\Release\Studio.exe

At this point, you can also double-click on Studio.exe to launch it, and create a shortcut to put it on your desktop.

(don't move it out of the build directory, or the precarious house of cards that finds Python will come tumbling down)

When changes are made, you should only need to re-run the build step, i.e.

& "C:\Program Files (x86)\Microsoft Visual Studio\2022\BuildTools\Common7\IDE\CommonExtensions\Microsoft\CMake\CMake\bin\cmake.exe" --build . --config Release --target Studio --

libfive's Issues

regression: ‘QMutex’ does not name a type

Revision 5f2aadf does not compile for me. It fails with this error:

[ 74%] Building CXX object gui/CMakeFiles/Studio.dir/Studio_automoc.cpp.o
In file included from /home/nick/ao/gui/src/interpreter.cpp:21:0:
/home/nick/ao/gui/include/gui/interpreter.hpp:90:5: error: ‘QMutex’ does not name a type
     QMutex mutex;
     ^~~~~~
In file included from /home/nick/ao/gui/src/window.cpp:30:0:
/home/nick/ao/gui/include/gui/interpreter.hpp:90:5: error: ‘QMutex’ does not name a type
     QMutex mutex;
     ^~~~~~
In file included from /home/nick/ao/build/gui/Studio_automoc.dir/moc_interpreter_JL3ZW3PCB4US6T.cpp:9:0,
                 from /home/nick/ao/build/gui/Studio_automoc.cpp:7:
/home/nick/ao/build/gui/Studio_automoc.dir/../../../gui/include/gui/interpreter.hpp:90:5: error: ‘QMutex’ does not name a type
     QMutex mutex;
     ^~~~~~
/home/nick/ao/gui/src/interpreter.cpp: In member function ‘void _Interpreter::eval()’:
/home/nick/ao/gui/src/interpreter.cpp:107:28: error: ‘mutex’ was not declared in this scope
         QMutexLocker lock(&mutex);
                            ^~~~~
/home/nick/ao/gui/src/interpreter.cpp: In member function ‘void Interpreter::onScriptChanged(QString)’:
/home/nick/ao/gui/src/interpreter.cpp:270:40: error: ‘class _Interpreter’ has no member named ‘mutex’
         QMutexLocker lock(&interpreter.mutex);
                                        ^~~~~
gui/CMakeFiles/Studio.dir/build.make:542: recipe for target 'gui/CMakeFiles/Studio.dir/src/window.cpp.o' failed

However, 7dac3c7 compiles and runs successfully.

Build failure on Debian Jessie

Here's what I get trying to follow the instructions on my machine. (Note that I installed libpng12-dev instead of libpng16-dev, which is not available on Debian Stable.)

~/src/ao $ mkdir build
~/src/ao $ cd build
~/src/ao/build $ cmake -G Ninja ..
-- The C compiler identification is GNU 4.9.2
-- The CXX compiler identification is GNU 4.9.2
-- Check for working C compiler using: Ninja
-- Check for working C compiler using: Ninja -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working CXX compiler using: Ninja
-- Check for working CXX compiler using: Ninja -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Found ZLIB: /usr/lib/x86_64-linux-gnu/libz.so (found version "1.2.8") 
-- Found PNG: /usr/lib/x86_64-linux-gnu/libpng.so (found version "1.2.50") 
-- Found PkgConfig: /usr/bin/pkg-config (found version "0.28") 
-- checking for one of the modules 'glfw3'
-- Configuring done
-- Generating done
-- Build files have been written to: /home/phil/src/ao/build
~/src/ao/build $ ninja
[1/69] Building CXX object kernel/CMakeFiles/ao-kernel.dir/src/tree/cache.cpp.o
[2/69] Building CXX object kernel/CMakeFiles/ao-kernel.dir/src/tree/tree.cpp.o
[3/69] Building CXX object kernel/CMakeFiles/ao-kernel.dir/src/tree/opcode.cpp.o
[4/69] Building CXX object kernel/CMakeFiles/ao-kernel.dir/src/format/contours.cpp.o
../kernel/src/tree/tree.cpp:77:36: warning: extra ‘;’ [-Wpedantic]
 OP_UNARY(square,    Opcode::SQUARE);
                                    ^
../kernel/src/tree/tree.cpp:78:34: warning: extra ‘;’ [-Wpedantic]
 OP_UNARY(sqrt,      Opcode::SQRT);
                                  ^
../kernel/src/tree/tree.cpp:80:33: warning: extra ‘;’ [-Wpedantic]
 OP_UNARY(abs,       Opcode::ABS);
                                 ^
../kernel/src/tree/tree.cpp:81:33: warning: extra ‘;’ [-Wpedantic]
 OP_UNARY(sin,       Opcode::SIN);
                                 ^
../kernel/src/tree/tree.cpp:82:33: warning: extra ‘;’ [-Wpedantic]
 OP_UNARY(cos,       Opcode::COS);
                                 ^
../kernel/src/tree/tree.cpp:83:33: warning: extra ‘;’ [-Wpedantic]
 OP_UNARY(tan,       Opcode::TAN);
                                 ^
../kernel/src/tree/tree.cpp:84:34: warning: extra ‘;’ [-Wpedantic]
 OP_UNARY(asin,      Opcode::ASIN);
                                  ^
../kernel/src/tree/tree.cpp:85:34: warning: extra ‘;’ [-Wpedantic]
 OP_UNARY(acos,      Opcode::ACOS);
                                  ^
../kernel/src/tree/tree.cpp:86:34: warning: extra ‘;’ [-Wpedantic]
 OP_UNARY(atan,      Opcode::ATAN);
                                  ^
../kernel/src/tree/tree.cpp:87:33: warning: extra ‘;’ [-Wpedantic]
 OP_UNARY(exp,       Opcode::EXP);
                                 ^
../kernel/src/tree/tree.cpp:92:37: warning: extra ‘;’ [-Wpedantic]
 OP_BINARY(operator+,    Opcode::ADD);
                                     ^
../kernel/src/tree/tree.cpp:93:37: warning: extra ‘;’ [-Wpedantic]
 OP_BINARY(operator*,    Opcode::MUL);
                                     ^
../kernel/src/tree/tree.cpp:94:37: warning: extra ‘;’ [-Wpedantic]
 OP_BINARY(min,          Opcode::MIN);
                                     ^
../kernel/src/tree/tree.cpp:95:37: warning: extra ‘;’ [-Wpedantic]
 OP_BINARY(max,          Opcode::MAX);
                                     ^
../kernel/src/tree/tree.cpp:96:37: warning: extra ‘;’ [-Wpedantic]
 OP_BINARY(operator-,    Opcode::SUB);
                                     ^
../kernel/src/tree/tree.cpp:97:37: warning: extra ‘;’ [-Wpedantic]
 OP_BINARY(operator/,    Opcode::DIV);
                                     ^
../kernel/src/tree/tree.cpp:98:39: warning: extra ‘;’ [-Wpedantic]
 OP_BINARY(atan2,        Opcode::ATAN2);
                                       ^
../kernel/src/tree/tree.cpp:99:37: warning: extra ‘;’ [-Wpedantic]
 OP_BINARY(pow,          Opcode::POW);
                                     ^
../kernel/src/tree/tree.cpp:100:42: warning: extra ‘;’ [-Wpedantic]
 OP_BINARY(nth_root,     Opcode::NTH_ROOT);
                                          ^
../kernel/src/tree/tree.cpp:101:37: warning: extra ‘;’ [-Wpedantic]
 OP_BINARY(mod,          Opcode::MOD);
                                     ^
../kernel/src/tree/tree.cpp:102:41: warning: extra ‘;’ [-Wpedantic]
 OP_BINARY(nanfill,      Opcode::NANFILL);
                                         ^
[5/69] Building CXX object kernel/CMakeFiles/ao-kernel.dir/src/format/mesh.cpp.o
[6/69] Building CXX object kernel/CMakeFiles/ao-kernel.dir/src/format/image.cpp.o
[7/69] Building CXX object kernel/CMakeFiles/ao-kernel.dir/src/render/dc.cpp.o
[8/69] Building CXX object kernel/CMakeFiles/ao-kernel.dir/src/render/heightmap.cpp.o
[9/69] Building CXX object kernel/CMakeFiles/ao-kernel.dir/src/render/quadtree.cpp.o
[10/69] Building CXX object kernel/CMakeFiles/ao-kernel.dir/src/render/subregion.cpp.o
[11/69] Building CXX object kernel/CMakeFiles/ao-kernel.dir/src/render/region.cpp.o
[12/69] Building CXX object kernel/CMakeFiles/ao-kernel.dir/src/render/dc2d.cpp.o
[13/69] Building CXX object kernel/CMakeFiles/ao-kernel.dir/src/render/octree.cpp.o
[14/69] Building CXX object kernel/CMakeFiles/ao-kernel.dir/src/eval/evaluator.cpp.o
[15/69] Building CXX object kernel/CMakeFiles/ao-kernel.dir/src/eval/result.cpp.o
[16/69] Building CXX object kernel/CMakeFiles/ao-kernel.dir/src/solve/solver.cpp.o
FAILED: /usr/bin/c++    -Wall -Wextra -Wno-comment -g -fPIC -pedantic -std=c++11 -Werror=switch -march=native -O3 -DRELEASE -isystem ../vendor -I../kernel/include -MMD -MT kernel/CMakeFiles/ao-kernel.dir/src/eval/evaluator.cpp.o -MF kernel/CMakeFiles/ao-kernel.dir/src/eval/evaluator.cpp.o.d -o kernel/CMakeFiles/ao-kernel.dir/src/eval/evaluator.cpp.o -c ../kernel/src/eval/evaluator.cpp
In file included from /usr/include/boost/numeric/interval/hw_rounding.hpp:15:0,
                 from /usr/include/boost/numeric/interval.hpp:18,
                 from ../kernel/include/ao/kernel/eval/interval.hpp:21,
                 from ../kernel/include/ao/kernel/eval/result.hpp:24,
                 from ../kernel/include/ao/kernel/eval/evaluator.hpp:27,
                 from ../kernel/src/eval/evaluator.cpp:27:
/usr/include/boost/numeric/interval/rounded_arith.hpp: In instantiation of ‘T boost::numeric::interval_lib::rounded_arith_std<T, Rounding>::int_down(const T&) [with T = float; Rounding = boost::numeric::interval_lib::rounding_control<float>]’:
/usr/include/boost/numeric/interval/arith2.hpp:40:49:   required from ‘boost::numeric::interval<T, Policies> boost::numeric::fmod(const boost::numeric::interval<T, Policies>&, const boost::numeric::interval<T, Policies>&) [with T = float; Policies = boost::numeric::interval_lib::policies<boost::numeric::interval_lib::detail::save_state_unprotected<boost::numeric::interval_lib::rounded_transc_std<float> >, boost::numeric::interval_lib::checking_base<float> >]’
/usr/include/boost/numeric/interval/transc.hpp:62:32:   required from ‘boost::numeric::interval<T, Policies> boost::numeric::cos(const boost::numeric::interval<T, Policies>&) [with T = float; Policies = boost::numeric::interval_lib::policies<boost::numeric::interval_lib::save_state<boost::numeric::interval_lib::rounded_transc_std<float> >, boost::numeric::interval_lib::checking_base<float> >]’
../kernel/src/eval/evaluator.cpp:1164:41:   required from here
/usr/include/boost/numeric/interval/rounded_arith.hpp:71:61: error: ‘to_int’ was not declared in this scope, and no declarations were found by argument-dependent lookup at the point of instantiation [-fpermissive]
   T int_down(const T& x) { this->downward(); return to_int(x); }
                                                             ^
/usr/include/boost/numeric/interval/rounded_arith.hpp:71:61: note: declarations in dependent base ‘boost::numeric::interval_lib::detail::c99_rounding_control’ are not found by unqualified lookup
/usr/include/boost/numeric/interval/rounded_arith.hpp:71:61: note: use ‘this->to_int’ instead
ninja: build stopped: subcommand failed.

Longer example/demo?

I keep stumbling across screenshots on your twitter that mention enormous, important features that I had no idea that Ao included :) Particularly things like define-shape, or prefacing a value with # so you can change it with the mouse...

There's also plenty of things that I see listed in the shape reference, that I have no idea how to actually use in practice, like what I'm supposed to be using for the "shape" argument in extrude-z... (That part might just be because I'm a beginner at Scheme?)

I know development is still early, but a simple example scene (or a collection of them?) that just shows the most important of these actually put into practice somehow (even just on cubes or whatever) would be extremely helpful for figuring out what can be done with this program!

Downloaded zip doesn't build

This is probably due to the version.cmake cleverness failing when it's not run in a git repo.

Problem building

I'm getting this error while running cmake -DGUILE_INCLUDE_DIR=/usr/include/guile/2.2/ ..:

CMake Error at CMakeLists.txt:52 (add_executable):
  Cannot find source file:

    tst.cpp

tst.cpp is mentioned by CMakeLists.txt, so I think this file is supposed to be here?

Crash with while trying to watch a file

Under Ubuntu with Guile 2.1.3 and the gcc-5 patch (cf. PR #5) I can't watch for files inside ao-guile.

Here is my run

 amirouche@ubuaout  ~/src/guile/ao/bin   master  GUILE_LOAD_PATH=`pwd` gdb guile 
GNU gdb (Ubuntu 7.11.1-0ubuntu1~16.04) 7.11.1
Copyright (C) 2016 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from guile...done.
(gdb) r
Starting program: /usr/bin/guile 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7ffff5e87700 (LWP 3622)]
[New Thread 0x7ffff5686700 (LWP 3623)]
[New Thread 0x7ffff4e85700 (LWP 3624)]
[New Thread 0x7ffff4684700 (LWP 3625)]
[New Thread 0x7ffff3e83700 (LWP 3626)]
[New Thread 0x7ffff3682700 (LWP 3627)]
[New Thread 0x7ffff2e81700 (LWP 3628)]
[New Thread 0x7ffff247d700 (LWP 3629)]
[New Thread 0x7ffff0f5c700 (LWP 3630)]
GNU Guile 2.1.3
Copyright (C) 1995-2016 Free Software Foundation, Inc.

Guile comes with ABSOLUTELY NO WARRANTY; for details type `,show w'.
This program is free software, and you are welcome to redistribute it
under certain conditions; type `,show c' for details.

Enter `,help' for help.
scheme@(guile-user)> (load "ao-guile")
[New Thread 0x7fffec9d4700 (LWP 3631)]

         .8.
        .888.
       :88888.          ,o8888o.
      . `88888.      . 8888   `88.
     .8. `88888.    ,8 8888     `8b
    .8`8. `88888.   88 8888      `8b
   .8' `8. `88888.  88 8888      ,8P
  .8'   `8. `88888. `8 8888     ,8P
 .888888888. `88888. ` 8888   ,88'
.8'       `8. `88888.   `88888P'
       (c) 2015 Matt Keeter

REPL is provided by Ao [1]> (ao-watch "../examples/menger.scm")
Watching /home/amirouche/src/guile/ao/bin/../examples/menger.scm
[New Thread 0x7fffe53b6700 (LWP 3634)]

Thread 11 "guile" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffec9d4700 (LWP 3631)]
0x00007ffff7afac60 in scm_make_dynamic_state (parent=parent@entry=0x0) at fluids.c:430
430   SCM_ASSERT (IS_DYNAMIC_STATE (parent), parent, SCM_ARG1, FUNC_NAME);
(gdb) bt

Here is the full backtrace

#0  0x00007ffff7afac60 in scm_make_dynamic_state (parent=parent@entry=0x0) at fluids.c:430
#1  0x00007fffecab0d38 in guilify_self_2 (parent=0x0) at threads.c:617
#2  0x00007fffecab13ec in scm_i_init_thread_for_guile (base=0x7fffec9d34c0, parent=0x0) at threads.c:855
#3  0x00007fffecab1810 in scm_init_guile () at threads.c:867
#4  0x00007fffefe8800c in window_watch_callback_ (s="/home/amirouche/src/guile/ao/bin/../examples/menger.scm")
    at ../bind/api.cpp:273
#5  0x00007fffefe880fb in std::_Function_handler<void (std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >), void (*)(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)>::_M_invoke(std::_Any_data const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&&) (
    __functor=..., __args#0=<optimized out>) at /usr/include/c++/5/functional:1871
#6  0x00007fffefec8a45 in std::function<void (std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)>::operator()(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >) const (
    __args#0="", this=0x7fffec9d3620) at /usr/include/c++/5/functional:2267
#7  ScriptWatcher::ScriptWatcher(Window*, std::function<void (std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >) (this=0x7fffe8008f40, window=<optimized out>, 
    callback=..., directory="", filename=...) at ../ui/src/watcher.cpp:40
#8  0x00007fffefe86e4e in window_watch_file (dir=<optimized out>, file=<optimized out>) at ../bind/api.cpp:288
#9  0x00007ffff704fe40 in ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6
#10 0x00007ffff704f8ab in ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6
#11 0x00007ffff7afd2e7 in scm_i_foreign_call (foreign=<optimized out>, argv=0x7fffefe68ce8) at foreign.c:1030
#12 0x00007ffff7b65db8 in vm_debug_engine (thread=0x0, vp=0x980c80, registers=0xba2e90, resume=-325237128)
    at vm-engine.c:847
#13 0x00007ffff7b70f88 in scm_call_n (proc=proc@entry=0x7ffff01395c0, argv=argv@entry=0x0, nargs=nargs@entry=0)
    at vm.c:1238
#14 0x00007ffff7af0859 in scm_call_0 (proc=proc@entry=0x7ffff01395c0) at eval.c:473
#15 0x00007ffff7b5e300 in really_launch (d=0x7fffffffdba0) at threads.c:885
#16 0x00007ffff7aeb83a in c_body (d=0x7fffec9d3e60) at continuations.c:429
#17 0x00007ffff7b65ce9 in vm_debug_engine (thread=0x0, vp=0x980c80, registers=0xba2e90, resume=-325237128)
    at vm-engine.c:815
#18 0x00007ffff7b70f88 in scm_call_n (proc=proc@entry=0x8063c0, argv=argv@entry=0x0, nargs=nargs@entry=0)
    at vm.c:1238
#19 0x00007ffff7af0859 in scm_call_0 (proc=proc@entry=0x8063c0) at eval.c:473
#20 0x00007ffff7b5fb8a in catch (tag=tag@entry=0x404, thunk=0x8063c0, handler=0x8063a0, pre_unwind_handler=0x829fe0)
    at throw.c:135
#21 0x00007ffff7b5ffe5 in scm_catch_with_pre_unwind_handler (key=key@entry=0x404, thunk=<optimized out>, 
    handler=<optimized out>, pre_unwind_handler=<optimized out>) at throw.c:249
#22 0x00007ffff7b6009f in scm_c_catch (tag=tag@entry=0x404, body=body@entry=0x7ffff7aeb830 <c_body>, 
    body_data=body_data@entry=0x7fffec9d3e60, handler=handler@entry=0x7ffff7aebb00 <c_handler>, 
    handler_data=handler_data@entry=0x7fffec9d3e60, 
    pre_unwind_handler=pre_unwind_handler@entry=0x7ffff7aeb960 <pre_unwind_handler>, 
    pre_unwind_handler_data=0x6ecbe0) at throw.c:370
#23 0x00007ffff7aebe60 in scm_i_with_continuation_barrier (body=body@entry=0x7ffff7aeb830 <c_body>, 
    body_data=body_data@entry=0x7fffec9d3e60, handler=handler@entry=0x7ffff7aebb00 <c_handler>, 
    handler_data=handler_data@entry=0x7fffec9d3e60, 
    pre_unwind_handler=pre_unwind_handler@entry=0x7ffff7aeb960 <pre_unwind_handler>, 
    pre_unwind_handler_data=0x6ecbe0) at continuations.c:367
#24 0x00007ffff7aebf45 in scm_c_with_continuation_barrier (func=<optimized out>, data=<optimized out>)
    at continuations.c:463
#25 0x00007ffff7b5da3c in with_guile_and_parent (base=0x7fffec9d3ec0, data=0x7fffec9d3ef0) at threads.c:786
#26 0x00007ffff726d952 in GC_call_with_stack_base () from /usr/lib/x86_64-linux-gnu/libgc.so.1
#27 0x00007ffff7b5d4ac in scm_i_with_guile_and_parent (parent=<optimized out>, data=0x7fffffffdba0, 
    func=0x7ffff7b5e280 <really_launch>) at threads.c:829
#28 launch_thread (d=0x7fffffffdba0) at threads.c:897
#29 0x00007ffff78936fa in start_thread (arg=0x7fffec9d4700) at pthread_create.c:333
#30 0x00007ffff75c9b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

If I paste the content of charm.scm or menger.scm inside ao-guile, it works.

Mesh crash

(lambda-shape (x y z)
  (+ (* x x) (* y y) (* (log (+ z 3.2)) (log (+ z 3.2))) 0.02))

(from @fponticelli in PR #52)

Segmentation Fault on Ubuntu 16.04

Brief Description

Using "master" branch with latest commit aa7c5bf, evaluating "ao-show" on a model causes a segmentation fault (including all the models in the "./examples" directory). Previous builds from the master branch (circa 10/25/2016) on this system worked correctly.

System Information

OS: ubuntu 16.04 LTS
Processor: AMD A8-6410 APU with AMD Radeon R5 Graphics × 4
Graphics: Gallium 0.4 on AMD MULLINS (DRM 2.43.0, LLVM 3.8.0)
OS type: 64-bit
uname -a: Linux echo-one 4.4.0-47-generic #68-Ubuntu SMP Wed Oct 26 19:39:52 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
gcc: version 5.4.0

Minimal example to reproduce bug [1]

  ;; start ao-guile and evaluate:
  (define (sphere r)
      (lambda ( x y z )
          (- (sqrt (+ (* x x) (* y y) (* z z))) r)))
  (define s (sphere 2))
  (ao-show s)

Abbreviated gdb Output [2]

Thread 9 "guile" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffdffff700 (LWP 2698)]
0x00007ffff3276791 in eval_clause_derivs (count=32, odz=0x20e70b0, ody=0x20e40a0, odx=0x2124b90, ov=0x2121b80, 
    bdz=0x20e74b0, bdy=0x20e44a0, bdx=0x2124f90, bv=0x2121f80, adz=0x20e74b0, ady=0x20e44a0, adx=0x2124f90, av=0x2121f80, 
    op=<optimized out>) at ../kernel/src/eval/evaluator.cpp:968
968	                                       _mm256_mul_ps(adx[i], bv[i]));

Notes:

[1] Different models can cause segmentation fault in different lines of "evaluator.cpp".

[2] gdb commands which might be needed to work-around Guile GC signals:

    handle SIGPWR nostop noprint
    handle SIGXCPU nostop noprint

macOS: rotating shape in graphics window

In Antimony, on macOS, I can rotate the shape in the graphics window by holding down the CTRL key. However, this doesn't work in AO. Consider this a feature request.

macOS: rotating shape in graphics window

In Antimony, on macOS, I can rotate the shape in the graphics window by holding down the CTRL key. However, this doesn't work in AO. Consider this a feature request.

CSG Crashes on Similar Overlapping Shapes

CSG operations (tried: union / difference / intersection) crash when shapes are similar and overlapping with curves.

I've had similar crashes with OpenSCAD/CGAL for years, so sorry if this is a tricky one 🙈

I was working on the same file yesterday and I don't think it was crashing (just the difference error but intersection / union was fine). So maybe the floating point stuff you added has caused a regression?

[master on OS X]

Code that crashes:

#! RENDER -100 -100 -100 / 100 100 100 / 10 / 2 !#

(define z 2.5)
(define r 0.4)

(define a-x 16.0)
(define a-y 11.4)

(define b-x (sqrt (- (* a-x a-x) (* z z))))

(define tilt (asin (/ z a-x)))



; non-rounded works fine (uncomment):
;(define a (rectangle #[0 0] #[a-x a-y]))
;(define b (rectangle #[0 0] #[b-x a-y]))
;(intersection
;  (extrude-z b 0 z)
;  (rotate-y (extrude-z a 0 z) tilt)
;)


; rounded crashes
(define a (rounded-rectangle #[0 0] #[a-x a-y] r))
(define b (rounded-rectangle #[0 0] #[b-x a-y] r))

(intersection
  (extrude-z b 0 z)
  (rotate-y (extrude-z a 0 z) tilt)
)

Crash log

Process:               Studio [8177]
Path:                  /Users/USER/Documents/*/Studio.app/Contents/MacOS/Studio
Identifier:            com.impraxical.studio
Version:               0.0.0
Code Type:             X86-64 (Native)
Parent Process:        ??? [1]
Responsible:           Studio [8177]
User ID:               501
Date/Time:             2017-09-15 22:26:31.504 +0100

OS Version:            Mac OS X 10.12.6 (16G29)

Report Version:        12

Anonymous UUID:        48194326-790D-81B6-B9DB-2FA65DA67DAD
Sleep/Wake UUID:       FC42AF8C-1DD3-4531-A70D-70557DE3A0BF
Time Awake Since Boot: 4500 seconds

Time Since Wake:       1000 seconds
System Integrity Protection: enabled
Crashed Thread:        16
Exception Type:        EXC_CRASH (SIGABRT)

Exception Codes:       0x0000000000000000, 0x0000000000000000

Exception Note:        EXC_CORPSE_NOTIFY
Application Specific Information:

Assertion failed: (itr == choices.end()), function push, file /Users/sfcgeorge/Documents/Projects/3D/ao/ao/src/eval/evaluator.cpp, line 348.
Thread 0:: Dispatch queue: com.apple.main-thread

0   libsystem_kernel.dylib        	0x00007fff9e0f234a mach_msg_trap + 10

1   libsystem_kernel.dylib        	0x00007fff9e0f1797 mach_msg + 55

2   com.apple.framework.IOKit     	0x00007fff8a81cc91 io_connect_method + 375

3   com.apple.framework.IOKit     	0x00007fff8a7a21f2 IOConnectCallMethod + 336

4   com.apple.framework.IOKit     	0x00007fff8a7a23b9 IOConnectCallStructMethod + 56

5   com.apple.IOAccelerator       	0x00007fff97594c10 IOAccelContextSubmitDataBuffersExt2 + 270

6   libGPUSupportMercury.dylib    	0x00007fff96513390 gpusSubmitDataBuffers + 156

7   com.apple.GeForceGLDriver     	0x00007fff840ca867 0x7fff83dbf000 + 3192935

8   com.apple.GeForceGLDriver     	0x00007fff840cabfa gldPresentFramebufferData + 407

9   GLEngine                      	0x000000010abab4f1 glSwap_Exec + 97

10  com.apple.opengl              	0x00007fff8d80e126 CGLFlushDrawable + 66

11  com.apple.AppKit              	0x00007fff8662bd7b -[NSOpenGLContext flushBuffer] + 27

12  org.qt-project.QtGui          	0x0000000104ecdb37 QOpenGLContext::swapBuffers(QSurface*) + 487

13  org.qt-project.QtGui          	0x000000010510f884 QPlatformBackingStore::composeAndFlush(QWindow*, QRegion const&, QPoint const&, QPlatformTextureList*, QOpenGLContext*, bool) + 2612

14  org.qt-project.QtWidgets      	0x00000001048cf472 0x1048b5000 + 107634

15  org.qt-project.QtWidgets      	0x00000001048cf6e5 0x1048b5000 + 108261

16  org.qt-project.QtWidgets      	0x00000001048d431a 0x1048b5000 + 127770

17  org.qt-project.QtWidgets      	0x0000000104902248 QWidget::event(QEvent*) + 1464

18  org.qt-project.QtWidgets      	0x00000001049f93a4 QMainWindow::event(QEvent*) + 1108

19  org.qt-project.QtWidgets      	0x00000001048c6e92 QApplicationPrivate::notify_helper(QObject*, QEvent*) + 306

20  org.qt-project.QtWidgets      	0x00000001048c81af QApplication::notify(QObject*, QEvent*) + 383

21  org.qt-project.QtCore         	0x000000010553ff3f QCoreApplication::notifyInternal2(QObject*, QEvent*) + 159

22  org.qt-project.QtCore         	0x00000001055410d2 QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) + 850

23  libqcocoa.dylib               	0x000000010757920e 0x107552000 + 160270

24  libqcocoa.dylib               	0x0000000107579ac1 0x107552000 + 162497

25  com.apple.CoreFoundation      	0x00007fff88863321 CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION + 17

26  com.apple.CoreFoundation      	0x00007fff88844197 __CFRunLoopDoSources0 + 423

27  com.apple.CoreFoundation      	0x00007fff88843716 __CFRunLoopRun + 934

28  com.apple.CoreFoundation      	0x00007fff88843114 CFRunLoopRunSpecific + 420

29  com.apple.HIToolbox           	0x00007fff87da3ebc RunCurrentEventLoopInMode + 240

30  com.apple.HIToolbox           	0x00007fff87da3cf1 ReceiveNextEventCommon + 432

31  com.apple.HIToolbox           	0x00007fff87da3b26 _BlockUntilNextEventMatchingListInModeWithFilter + 71

32  com.apple.AppKit              	0x00007fff8633ca54 _DPSNextEvent + 1120

33  com.apple.AppKit              	0x00007fff86ab87ee -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 2796

34  com.apple.AppKit              	0x00007fff863313db -[NSApplication run] + 926

35  libqcocoa.dylib               	0x000000010757886f 0x107552000 + 157807

36  org.qt-project.QtCore         	0x000000010553bc92 QEventLoop::exec(QFlagsQEventLoop::ProcessEventsFlag) + 418

37  org.qt-project.QtCore         	0x0000000105540632 QCoreApplication::exec() + 402

38  com.impraxical.studio         	0x00000001045ec516 main + 182 (app.hpp:6)

39  libdyld.dylib                 	0x00007fff9dfcb235 start + 1
Thread 1:: QThread

0   libsystem_kernel.dylib        	0x00007fff9e0fb19e poll + 10

1   org.qt-project.QtCore         	0x00000001055930b0 qt_safe_poll(pollfd*, unsigned int, timespec const*) + 544

2   org.qt-project.QtCore         	0x0000000105594729 QEventDispatcherUNIX::processEvents(QFlagsQEventLoop::ProcessEventsFlag) + 857

3   org.qt-project.QtCore         	0x000000010553bc92 QEventLoop::exec(QFlagsQEventLoop::ProcessEventsFlag) + 418

4   org.qt-project.QtCore         	0x000000010537d3c1 QThread::exec() + 113

5   org.qt-project.QtCore         	0x00000001053811af 0x105356000 + 176559

6   libsystem_pthread.dylib       	0x00007fff9e1e493b _pthread_body + 180

7   libsystem_pthread.dylib       	0x00007fff9e1e4887 _pthread_start + 286

8   libsystem_pthread.dylib       	0x00007fff9e1e408d thread_start + 13
Thread 2:

0   libsystem_kernel.dylib        	0x00007fff9e0f9bf2 __psynch_cvwait + 10

1   libsystem_pthread.dylib       	0x00007fff9e1e57fa _pthread_cond_wait + 712

2   libgc.1.dylib                 	0x00000001058e4436 GC_wait_marker + 23

3   libgc.1.dylib                 	0x00000001058dc3f0 GC_help_marker + 58

4   libgc.1.dylib                 	0x00000001058e2eda GC_mark_thread + 137

5   libsystem_pthread.dylib       	0x00007fff9e1e493b _pthread_body + 180

6   libsystem_pthread.dylib       	0x00007fff9e1e4887 _pthread_start + 286

7   libsystem_pthread.dylib       	0x00007fff9e1e408d thread_start + 13
Thread 3:

0   libsystem_kernel.dylib        	0x00007fff9e0f9bf2 __psynch_cvwait + 10

1   libsystem_pthread.dylib       	0x00007fff9e1e57fa _pthread_cond_wait + 712

2   libgc.1.dylib                 	0x00000001058e4436 GC_wait_marker + 23

3   libgc.1.dylib                 	0x00000001058dc3f0 GC_help_marker + 58

4   libgc.1.dylib                 	0x00000001058e2eda GC_mark_thread + 137

5   libsystem_pthread.dylib       	0x00007fff9e1e493b _pthread_body + 180

6   libsystem_pthread.dylib       	0x00007fff9e1e4887 _pthread_start + 286

7   libsystem_pthread.dylib       	0x00007fff9e1e408d thread_start + 13
Thread 4:

0   libsystem_kernel.dylib        	0x00007fff9e0f9bf2 __psynch_cvwait + 10

1   libsystem_pthread.dylib       	0x00007fff9e1e57fa _pthread_cond_wait + 712

2   libgc.1.dylib                 	0x00000001058e4436 GC_wait_marker + 23

3   libgc.1.dylib                 	0x00000001058dc3f0 GC_help_marker + 58

4   libgc.1.dylib                 	0x00000001058e2eda GC_mark_thread + 137

5   libsystem_pthread.dylib       	0x00007fff9e1e493b _pthread_body + 180

6   libsystem_pthread.dylib       	0x00007fff9e1e4887 _pthread_start + 286

7   libsystem_pthread.dylib       	0x00007fff9e1e408d thread_start + 13
Thread 5:

0   libsystem_kernel.dylib        	0x00007fff9e0f9bf2 __psynch_cvwait + 10

1   libsystem_pthread.dylib       	0x00007fff9e1e57fa _pthread_cond_wait + 712

2   libgc.1.dylib                 	0x00000001058e4436 GC_wait_marker + 23

3   libgc.1.dylib                 	0x00000001058dc3f0 GC_help_marker + 58

4   libgc.1.dylib                 	0x00000001058e2eda GC_mark_thread + 137

5   libsystem_pthread.dylib       	0x00007fff9e1e493b _pthread_body + 180

6   libsystem_pthread.dylib       	0x00007fff9e1e4887 _pthread_start + 286

7   libsystem_pthread.dylib       	0x00007fff9e1e408d thread_start + 13
Thread 6:

0   libsystem_kernel.dylib        	0x00007fff9e0f9bf2 __psynch_cvwait + 10

1   libsystem_pthread.dylib       	0x00007fff9e1e57fa _pthread_cond_wait + 712

2   libgc.1.dylib                 	0x00000001058e4436 GC_wait_marker + 23

3   libgc.1.dylib                 	0x00000001058dc3f0 GC_help_marker + 58

4   libgc.1.dylib                 	0x00000001058e2eda GC_mark_thread + 137

5   libsystem_pthread.dylib       	0x00007fff9e1e493b _pthread_body + 180

6   libsystem_pthread.dylib       	0x00007fff9e1e4887 _pthread_start + 286

7   libsystem_pthread.dylib       	0x00007fff9e1e408d thread_start + 13
Thread 7:

0   libsystem_kernel.dylib        	0x00007fff9e0f9bf2 __psynch_cvwait + 10

1   libsystem_pthread.dylib       	0x00007fff9e1e57fa _pthread_cond_wait + 712

2   libgc.1.dylib                 	0x00000001058e4436 GC_wait_marker + 23

3   libgc.1.dylib                 	0x00000001058dc3f0 GC_help_marker + 58

4   libgc.1.dylib                 	0x00000001058e2eda GC_mark_thread + 137

5   libsystem_pthread.dylib       	0x00007fff9e1e493b _pthread_body + 180

6   libsystem_pthread.dylib       	0x00007fff9e1e4887 _pthread_start + 286

7   libsystem_pthread.dylib       	0x00007fff9e1e408d thread_start + 13
Thread 8:

0   libsystem_kernel.dylib        	0x00007fff9e0f9bf2 __psynch_cvwait + 10

1   libsystem_pthread.dylib       	0x00007fff9e1e57fa _pthread_cond_wait + 712

2   libgc.1.dylib                 	0x00000001058e4436 GC_wait_marker + 23

3   libgc.1.dylib                 	0x00000001058dc3f0 GC_help_marker + 58

4   libgc.1.dylib                 	0x00000001058e2eda GC_mark_thread + 137

5   libsystem_pthread.dylib       	0x00007fff9e1e493b _pthread_body + 180

6   libsystem_pthread.dylib       	0x00007fff9e1e4887 _pthread_start + 286

7   libsystem_pthread.dylib       	0x00007fff9e1e408d thread_start + 13
Thread 9:

0   libsystem_kernel.dylib        	0x00007fff9e0fb246 read + 10

1   libguile-2.2.1.dylib          	0x00000001047bb045 read_finalization_pipe_data + 28

2   libgc.1.dylib                 	0x00000001058e3ad2 GC_do_blocking_inner + 128

3   libgc.1.dylib                 	0x00000001058d99b1 GC_with_callee_saves_pushed + 117

4   libgc.1.dylib                 	0x00000001058deeac GC_do_blocking + 32

5   libguile-2.2.1.dylib          	0x000000010481564d scm_without_guile + 40

6   libguile-2.2.1.dylib          	0x00000001047baff7 finalization_thread_proc + 48

7   libguile-2.2.1.dylib          	0x00000001047acbf6 c_body + 15

8   libguile-2.2.1.dylib          	0x000000010481aebf vm_regular_engine + 1217

9   libguile-2.2.1.dylib          	0x0000000104819c27 scm_call_n + 380

10  libguile-2.2.1.dylib          	0x000000010481752d catch + 490

11  libguile-2.2.1.dylib          	0x00000001047acb85 scm_i_with_continuation_barrier + 137

12  libguile-2.2.1.dylib          	0x00000001047acbdc scm_c_with_continuation_barrier + 60

13  libguile-2.2.1.dylib          	0x00000001048170ab with_guile + 63

14  libgc.1.dylib                 	0x00000001058dee75 GC_call_with_stack_base + 27

15  libguile-2.2.1.dylib          	0x000000010481561f scm_with_guile + 45

16  libsystem_pthread.dylib       	0x00007fff9e1e493b _pthread_body + 180

17  libsystem_pthread.dylib       	0x00007fff9e1e4887 _pthread_start + 286

18  libsystem_pthread.dylib       	0x00007fff9e1e408d thread_start + 13
Thread 10:: com.apple.NSEventThread

0   libsystem_kernel.dylib        	0x00007fff9e0f234a mach_msg_trap + 10

1   libsystem_kernel.dylib        	0x00007fff9e0f1797 mach_msg + 55

2   com.apple.CoreFoundation      	0x00007fff88844434 __CFRunLoopServiceMachPort + 212

3   com.apple.CoreFoundation      	0x00007fff888438c1 __CFRunLoopRun + 1361

4   com.apple.CoreFoundation      	0x00007fff88843114 CFRunLoopRunSpecific + 420

5   com.apple.AppKit              	0x00007fff86489f02 _NSEventThread + 205

6   libsystem_pthread.dylib       	0x00007fff9e1e493b _pthread_body + 180

7   libsystem_pthread.dylib       	0x00007fff9e1e4887 _pthread_start + 286

8   libsystem_pthread.dylib       	0x00007fff9e1e408d thread_start + 13
Thread 11:

0   libsystem_kernel.dylib        	0x00007fff9e0fb246 read + 10

1   libguile-2.2.1.dylib          	0x00000001047f9a8a read_signal_pipe_data + 28

2   libgc.1.dylib                 	0x00000001058e3ad2 GC_do_blocking_inner + 128

3   libgc.1.dylib                 	0x00000001058d99b1 GC_with_callee_saves_pushed + 117

4   libgc.1.dylib                 	0x00000001058deeac GC_do_blocking + 32

5   libguile-2.2.1.dylib          	0x000000010481564d scm_without_guile + 40

6   libguile-2.2.1.dylib          	0x00000001047f9a15 signal_delivery_thread + 104

7   libguile-2.2.1.dylib          	0x000000010481aebf vm_regular_engine + 1217

8   libguile-2.2.1.dylib          	0x0000000104819c27 scm_call_n + 380

9   libguile-2.2.1.dylib          	0x00000001047a448c scm_call_with_unblocked_asyncs + 53

10  libguile-2.2.1.dylib          	0x000000010481aebf vm_regular_engine + 1217

11  libguile-2.2.1.dylib          	0x0000000104819c27 scm_call_n + 380

12  libguile-2.2.1.dylib          	0x00000001048171a1 really_launch + 106

13  libguile-2.2.1.dylib          	0x00000001047acbf6 c_body + 15

14  libguile-2.2.1.dylib          	0x000000010481aebf vm_regular_engine + 1217

15  libguile-2.2.1.dylib          	0x0000000104819c27 scm_call_n + 380

16  libguile-2.2.1.dylib          	0x000000010481752d catch + 490

17  libguile-2.2.1.dylib          	0x00000001047acb85 scm_i_with_continuation_barrier + 137

18  libguile-2.2.1.dylib          	0x00000001047acbdc scm_c_with_continuation_barrier + 60

19  libguile-2.2.1.dylib          	0x00000001048170ab with_guile + 63

20  libgc.1.dylib                 	0x00000001058dee75 GC_call_with_stack_base + 27

21  libguile-2.2.1.dylib          	0x00000001048157b0 launch_thread + 63

22  libsystem_pthread.dylib       	0x00007fff9e1e493b _pthread_body + 180

23  libsystem_pthread.dylib       	0x00007fff9e1e4887 _pthread_start + 286

24  libsystem_pthread.dylib       	0x00007fff9e1e408d thread_start + 13
Thread 12:

0   libsystem_kernel.dylib        	0x00007fff9e0fa44e __workq_kernreturn + 10

1   libsystem_pthread.dylib       	0x00007fff9e1e448e _pthread_wqthread + 1023

2   libsystem_pthread.dylib       	0x00007fff9e1e407d start_wqthread + 13
Thread 13:

0   libsystem_kernel.dylib        	0x00007fff9e0fa44e __workq_kernreturn + 10

1   libsystem_pthread.dylib       	0x00007fff9e1e4621 _pthread_wqthread + 1426

2   libsystem_pthread.dylib       	0x00007fff9e1e407d start_wqthread + 13
Thread 14:
Thread 15:: Thread (pooled)

0   libsystem_kernel.dylib        	0x00007fff9e0f9bf2 __psynch_cvwait + 10

1   libsystem_pthread.dylib       	0x00007fff9e1e57fa _pthread_cond_wait + 712

2   libc++.1.dylib                	0x00007fff9cb624cd std::__1::condition_variable::wait(std::__1::unique_lockstd::__1::mutex&) + 47

3   libc++.1.dylib                	0x00007fff9cb62e08 std::__1::__assoc_sub_state::__sub_wait(std::__1::unique_lockstd::__1::mutex&) + 46

4   libao-kernel.dylib            	0x000000010470464b std::__1::__assoc_state<Kernel::XTree<3u>>::move() + 43 (exception:131)

5   libao-kernel.dylib            	0x00000001046eba5f Kernel::XTree<3u>::XTree(Kernel::Evaluator, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1295 (future:1175)

6   libao-kernel.dylib            	0x00000001046eaff8 Kernel::XTree<3u>::build(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 168 (atomic:848)

7   libao-kernel.dylib            	0x00000001047161ae Kernel::Mesh::render(Kernel::Evaluator*, Kernel::Region<3u> const&, double, double, std::__1::atomic&) + 78 (mesh.cpp:104)

8   com.impraxical.studio         	0x00000001045f753a Shape::renderMesh(QPair<Settings, int>) + 154 (memory:2726)

9   com.impraxical.studio         	0x00000001045f9b1a QtConcurrent::StoredMemberFunctionPointerCall1<Kernel::Mesh*, Shape, QPair<Settings, int>, QPair<Settings, int> >::runFunctor() + 74 (qtconcurrentstoredfunctioncall.h:551)

10  com.impraxical.studio         	0x00000001045f9a33 QtConcurrent::RunFunctionTaskKernel::Mesh*::run() + 51 (qtconcurrentrunbase.h:117)

11  org.qt-project.QtCore         	0x000000010537df96 0x105356000 + 163734

12  org.qt-project.QtCore         	0x00000001053811af 0x105356000 + 176559

13  libsystem_pthread.dylib       	0x00007fff9e1e493b _pthread_body + 180

14  libsystem_pthread.dylib       	0x00007fff9e1e4887 _pthread_start + 286

15  libsystem_pthread.dylib       	0x00007fff9e1e408d thread_start + 13
Thread 16 Crashed:

0   libsystem_kernel.dylib        	0x00007fff9e0f9d42 __pthread_kill + 10

1   libsystem_pthread.dylib       	0x00007fff9e1e7457 pthread_kill + 90

2   libsystem_c.dylib             	0x00007fff9e05f420 abort + 129

3   libsystem_c.dylib             	0x00007fff9e026893 __assert_rtn + 320

4   libao-kernel.dylib            	0x00000001046c9343 Kernel::Evaluator::push(Kernel::Feature const&) + 931 (evaluator.cpp:348)

5   libao-kernel.dylib            	0x00000001046d1972 Kernel::Evaluator::featuresAt(Eigen::Matrix<float, 3, 1, 0, 3, 1> const&) + 626 (evaluator.cpp:492)

6   libao-kernel.dylib            	0x00000001046c9750 Kernel::Evaluator::isInside(Eigen::Matrix<float, 3, 1, 0, 3, 1> const&) + 304 (evaluator.cpp:445)

7   libao-kernel.dylib            	0x00000001046eca7e Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 5422 (xtree.cpp:393)

8   libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

9   libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

10  libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

11  libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

12  libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

13  libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

14  libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

15  libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

16  libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

17  libao-kernel.dylib            	0x00000001047044bc std::__1::__async_func<Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&)::'lambda'()>::__execute<>(Kernel::XTree<3u>, std::__1::__tuple_indices<>) + 140 (future:2348)

18  libao-kernel.dylib            	0x00000001047042ea std::__1::__async_assoc_state<Kernel::XTree<3u>, std::__1::__async_func<Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&)::'lambda'()> >::__execute() + 26 (future:976)

19  libao-kernel.dylib            	0x0000000104704561 std::__1::__thread_proxy<std::__1::tuple<void (std::__1::__async_assoc_state<Kernel::XTree<3u>, std::__1::__async_func<Kernel::XTree<3u>::XTree(Kernel::Evaluator, Kernel::Region<3u>, double, double, bool, std::__1::atomic&)::'lambda'()> >::)(), std::__1::__async_assoc_state<Kernel::XTree<3u>, std::__1::__async_func<Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&)::'lambda'()> >> >(void, void*) + 113 (memory:2537)

20  libsystem_pthread.dylib       	0x00007fff9e1e493b _pthread_body + 180

21  libsystem_pthread.dylib       	0x00007fff9e1e4887 _pthread_start + 286

22  libsystem_pthread.dylib       	0x00007fff9e1e408d thread_start + 13
Thread 17:

0   libsystem_malloc.dylib        	0x00007fff9e15cbbd default_zone_free_definite_size + 4

1   libao-kernel.dylib            	0x00000001046d21c9 Kernel::Evaluator::featuresAt(Eigen::Matrix<float, 3, 1, 0, 3, 1> const&) + 2761 (list:670)

2   libao-kernel.dylib            	0x00000001046c9750 Kernel::Evaluator::isInside(Eigen::Matrix<float, 3, 1, 0, 3, 1> const&) + 304 (evaluator.cpp:445)

3   libao-kernel.dylib            	0x00000001046eca7e Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 5422 (xtree.cpp:393)

4   libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

5   libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

6   libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

7   libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

8   libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

9   libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

10  libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

11  libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

12  libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

13  libao-kernel.dylib            	0x00000001047044bc std::__1::__async_func<Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&)::'lambda'()>::__execute<>(Kernel::XTree<3u>, std::__1::__tuple_indices<>) + 140 (future:2348)

14  libao-kernel.dylib            	0x00000001047042ea std::__1::__async_assoc_state<Kernel::XTree<3u>, std::__1::__async_func<Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&)::'lambda'()> >::__execute() + 26 (future:976)

15  libao-kernel.dylib            	0x0000000104704561 std::__1::__thread_proxy<std::__1::tuple<void (std::__1::__async_assoc_state<Kernel::XTree<3u>, std::__1::__async_func<Kernel::XTree<3u>::XTree(Kernel::Evaluator, Kernel::Region<3u>, double, double, bool, std::__1::atomic&)::'lambda'()> >::)(), std::__1::__async_assoc_state<Kernel::XTree<3u>, std::__1::__async_func<Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&)::'lambda'()> >> >(void, void*) + 113 (memory:2537)

16  libsystem_pthread.dylib       	0x00007fff9e1e493b _pthread_body + 180

17  libsystem_pthread.dylib       	0x00007fff9e1e4887 _pthread_start + 286

18  libsystem_pthread.dylib       	0x00007fff9e1e408d thread_start + 13
Thread 18:

0   libsystem_malloc.dylib        	0x00007fff9e15ea6c _nano_vet_and_size_of_live + 106

1   libsystem_malloc.dylib        	0x00007fff9e14ee2c free + 87

2   libao-kernel.dylib            	0x00000001046d1d66 Kernel::Evaluator::featuresAt(Eigen::Matrix<float, 3, 1, 0, 3, 1> const&) + 1638 (list:555)

3   libao-kernel.dylib            	0x00000001046c9750 Kernel::Evaluator::isInside(Eigen::Matrix<float, 3, 1, 0, 3, 1> const&) + 304 (evaluator.cpp:445)

4   libao-kernel.dylib            	0x00000001046eca7e Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 5422 (xtree.cpp:393)

5   libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

6   libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

7   libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

8   libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

9   libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

10  libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

11  libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

12  libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

13  libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

14  libao-kernel.dylib            	0x00000001047044bc std::__1::__async_func<Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&)::'lambda'()>::__execute<>(Kernel::XTree<3u>, std::__1::__tuple_indices<>) + 140 (future:2348)

15  libao-kernel.dylib            	0x00000001047042ea std::__1::__async_assoc_state<Kernel::XTree<3u>, std::__1::__async_func<Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&)::'lambda'()> >::__execute() + 26 (future:976)

16  libao-kernel.dylib            	0x0000000104704561 std::__1::__thread_proxy<std::__1::tuple<void (std::__1::__async_assoc_state<Kernel::XTree<3u>, std::__1::__async_func<Kernel::XTree<3u>::XTree(Kernel::Evaluator, Kernel::Region<3u>, double, double, bool, std::__1::atomic&)::'lambda'()> >::)(), std::__1::__async_assoc_state<Kernel::XTree<3u>, std::__1::__async_func<Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&)::'lambda'()> >> >(void, void*) + 113 (memory:2537)

17  libsystem_pthread.dylib       	0x00007fff9e1e493b _pthread_body + 180

18  libsystem_pthread.dylib       	0x00007fff9e1e4887 _pthread_start + 286

19  libsystem_pthread.dylib       	0x00007fff9e1e408d thread_start + 13
Thread 19:

0   libsystem_malloc.dylib        	0x00007fff9e14c1e9 malloc + 1

1   libc++abi.dylib               	0x00007fff9cbd4e0e operator new(unsigned long) + 30

2   libao-kernel.dylib            	0x00000001046da2a6 Kernel::Feature::Feature(Kernel::Feature const&) + 582 (utility:288)

3   libao-kernel.dylib            	0x00000001046d1c9f Kernel::Evaluator::featuresAt(Eigen::Matrix<float, 3, 1, 0, 3, 1> const&) + 1439 (PacketMath.h:336)

4   libao-kernel.dylib            	0x00000001046c9750 Kernel::Evaluator::isInside(Eigen::Matrix<float, 3, 1, 0, 3, 1> const&) + 304 (evaluator.cpp:445)

5   libao-kernel.dylib            	0x00000001046eca7e Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 5422 (xtree.cpp:393)

6   libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

7   libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

8   libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

9   libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

10  libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

11  libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

12  libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

13  libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

14  libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

15  libao-kernel.dylib            	0x00000001047044bc std::__1::__async_func<Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&)::'lambda'()>::__execute<>(Kernel::XTree<3u>, std::__1::__tuple_indices<>) + 140 (future:2348)

16  libao-kernel.dylib            	0x00000001047042ea std::__1::__async_assoc_state<Kernel::XTree<3u>, std::__1::__async_func<Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&)::'lambda'()> >::__execute() + 26 (future:976)

17  libao-kernel.dylib            	0x0000000104704561 std::__1::__thread_proxy<std::__1::tuple<void (std::__1::__async_assoc_state<Kernel::XTree<3u>, std::__1::__async_func<Kernel::XTree<3u>::XTree(Kernel::Evaluator, Kernel::Region<3u>, double, double, bool, std::__1::atomic&)::'lambda'()> >::)(), std::__1::__async_assoc_state<Kernel::XTree<3u>, std::__1::__async_func<Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&)::'lambda'()> >> >(void, void*) + 113 (memory:2537)

18  libsystem_pthread.dylib       	0x00007fff9e1e493b _pthread_body + 180

19  libsystem_pthread.dylib       	0x00007fff9e1e4887 _pthread_start + 286

20  libsystem_pthread.dylib       	0x00007fff9e1e408d thread_start + 13
Thread 20:

0   libao-kernel.dylib            	0x00000001046bf5ea Kernel::Evaluator::values(unsigned int) + 1418 (AssignEvaluator.h:389)

1   libao-kernel.dylib            	0x00000001046c9896 Kernel::Evaluator::derivs(unsigned int) + 54 (evaluator.cpp:777)

2   libao-kernel.dylib            	0x00000001046d197f Kernel::Evaluator::featuresAt(Eigen::Matrix<float, 3, 1, 0, 3, 1> const&) + 639 (evaluator.cpp:492)

3   libao-kernel.dylib            	0x00000001046c9750 Kernel::Evaluator::isInside(Eigen::Matrix<float, 3, 1, 0, 3, 1> const&) + 304 (evaluator.cpp:445)

4   libao-kernel.dylib            	0x00000001046eca7e Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 5422 (xtree.cpp:393)

5   libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

6   libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

7   libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

8   libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

9   libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

10  libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

11  libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

12  libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

13  libao-kernel.dylib            	0x00000001046ebc67 Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&) + 1815 (xtree.cpp:148)

14  libao-kernel.dylib            	0x00000001047044bc std::__1::__async_func<Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&)::'lambda'()>::__execute<>(Kernel::XTree<3u>, std::__1::__tuple_indices<>) + 140 (future:2348)

15  libao-kernel.dylib            	0x00000001047042ea std::__1::__async_assoc_state<Kernel::XTree<3u>, std::__1::__async_func<Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&)::'lambda'()> >::__execute() + 26 (future:976)

16  libao-kernel.dylib            	0x0000000104704561 std::__1::__thread_proxy<std::__1::tuple<void (std::__1::__async_assoc_state<Kernel::XTree<3u>, std::__1::__async_func<Kernel::XTree<3u>::XTree(Kernel::Evaluator, Kernel::Region<3u>, double, double, bool, std::__1::atomic&)::'lambda'()> >::)(), std::__1::__async_assoc_state<Kernel::XTree<3u>, std::__1::__async_func<Kernel::XTree<3u>::XTree(Kernel::Evaluator*, Kernel::Region<3u>, double, double, bool, std::__1::atomic&)::'lambda'()> >> >(void, void*) + 113 (memory:2537)

17  libsystem_pthread.dylib       	0x00007fff9e1e493b _pthread_body + 180

18  libsystem_pthread.dylib       	0x00007fff9e1e4887 _pthread_start + 286

19  libsystem_pthread.dylib       	0x00007fff9e1e408d thread_start + 13
Thread 16 crashed with X86 Thread State (64-bit):

rax: 0x0000000000000000  rbx: 0x0000000000000006  rcx: 0x000070000f56b2b8  rdx: 0x0000000000000000

rdi: 0x0000000000018a2b  rsi: 0x0000000000000006  rbp: 0x000070000f56b2e0  rsp: 0x000070000f56b2b8

r8: 0x0000000000000000   r9: 0x000000000000015c  r10: 0x0000000008000000  r11: 0x0000000000000206

r12: 0x00000001091ac028  r13: 0x00000001091ac000  r14: 0x000070000f57c000  r15: 0x000000010472f2d4

rip: 0x00007fff9e0f9d42  rfl: 0x0000000000000206  cr2: 0x000070000f56c080
Logical CPU:     0

Error Code:      0x0100001f

Trap Number:     133
Binary Images:

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0x7fff94bd6000 -     0x7fff94be1fff  com.apple.DisplayServicesFW (3.1 - 380) <0BDF6C17-5E5F-33F8-8E99-C7350C6F9667> /System/Library/PrivateFrameworks/DisplayServices.framework/Versions/A/DisplayServices

0x7fff94c26000 -     0x7fff94c28ffb  com.apple.EFILogin (2.0 - 2)  /System/Library/PrivateFrameworks/EFILogin.framework/Versions/A/EFILogin

0x7fff94d7b000 -     0x7fff951acff7  com.apple.vision.FaceCore (3.3.2 - 3.3.2) <9391D5A3-738C-3136-9D07-518CB43DBADA> /System/Library/PrivateFrameworks/FaceCore.framework/Versions/A/FaceCore

0x7fff951ea000 -     0x7fff9557cff7  com.apple.FinderKit (1.5.5 - 1.5.5) <85D64484-35E0-3500-A651-FD1DD9A1D6C5> /System/Library/PrivateFrameworks/FinderKit.framework/Versions/A/FinderKit

0x7fff96503000 -     0x7fff96503fff  libmetal_timestamp.dylib (600.0.49.9)  /System/Library/PrivateFrameworks/GPUCompiler.framework/libmetal_timestamp.dylib

0x7fff96510000 -     0x7fff9651bff3  libGPUSupportMercury.dylib (14.0.16) <7EE3DA75-2F9D-3C6D-AECD-F73EA47BE81B> /System/Library/PrivateFrameworks/GPUSupport.framework/Versions/A/Libraries/libGPUSupportMercury.dylib

0x7fff967d4000 -     0x7fff967f0fff  com.apple.GenerationalStorage (2.0 - 267.1) <3DE1C580-D089-362D-8582-8DE68A3C5F13> /System/Library/PrivateFrameworks/GenerationalStorage.framework/Versions/A/GenerationalStorage

0x7fff96809000 -     0x7fff96ebbfff  com.apple.GeoServices (1.0 - 1228.24.9.30.34) <96BF97F6-8FF2-3FC4-A8C1-498CB7B0D9A0> /System/Library/PrivateFrameworks/GeoServices.framework/Versions/A/GeoServices

0x7fff96f01000 -     0x7fff96f77ff3  com.apple.Heimdal (4.0 - 2.0) <8F9C9041-66D5-36C9-8A4C-1658035C311D> /System/Library/PrivateFrameworks/Heimdal.framework/Versions/A/Heimdal

0x7fff96f78000 -     0x7fff96f89fff  com.apple.HelpData (2.1.12 - 100.1)  /System/Library/PrivateFrameworks/HelpData.framework/Versions/A/HelpData

0x7fff97592000 -     0x7fff97599ffb  com.apple.IOAccelerator (311.14 - 311.14) <278124AF-02DC-3785-9FA9-14EDB8E5FD56> /System/Library/PrivateFrameworks/IOAccelerator.framework/Versions/A/IOAccelerator

0x7fff9759b000 -     0x7fff975afff7  com.apple.IOPresentment (1.0 - 29.10) <30DF04EE-10E2-353F-845F-A97B87DF3207> /System/Library/PrivateFrameworks/IOPresentment.framework/Versions/A/IOPresentment

0x7fff975b0000 -     0x7fff975d2fff  com.apple.IconServices (74.4 - 74.4) <218DDD05-35F4-3833-B98D-471ED0EBC031> /System/Library/PrivateFrameworks/IconServices.framework/Versions/A/IconServices

0x7fff9766e000 -     0x7fff9767eff3  com.apple.IntlPreferences (2.0 - 216) <77C9C2E7-EF9F-34BB-A5E3-B8BEA4226B5F> /System/Library/PrivateFrameworks/IntlPreferences.framework/Versions/A/IntlPreferences

0x7fff976b9000 -     0x7fff97870fff  com.apple.LanguageModeling (1.0 - 123.2.5)  /System/Library/PrivateFrameworks/LanguageModeling.framework/Versions/A/LanguageModeling

0x7fff978bc000 -     0x7fff978c0ff7  com.apple.LoginUICore (4.0 - 4.0) <7ADA40B1-995C-3947-8163-2257E7FB9440> /System/Library/PrivateFrameworks/LoginUIKit.framework/Versions/A/Frameworks/LoginUICore.framework/Versions/A/LoginUICore

0x7fff9796c000 -     0x7fff97a2eff3  com.apple.MMCS (1.3 - 385.4)  /System/Library/PrivateFrameworks/MMCS.framework/Versions/A/MMCS

0x7fff97ee0000 -     0x7fff97ee3fff  com.apple.Mangrove (1.0 - 1) <98814966-FD65-302B-B47E-00928DC34E5C> /System/Library/PrivateFrameworks/Mangrove.framework/Versions/A/Mangrove

0x7fff97fbc000 -     0x7fff97ff0ff3  com.apple.MediaKit (16 - 845) <883DC63F-F90F-3FB9-8C23-9CECD72EBCDE> /System/Library/PrivateFrameworks/MediaKit.framework/Versions/A/MediaKit

0x7fff97ff1000 -     0x7fff98151ffb  com.apple.MediaRemote (1.0 - 1)  /System/Library/PrivateFrameworks/MediaRemote.framework/Versions/A/MediaRemote

0x7fff98152000 -     0x7fff9816dffb  com.apple.MediaServices (1.0 - 1)  /System/Library/PrivateFrameworks/MediaServices.framework/Versions/A/MediaServices

0x7fff98191000 -     0x7fff9820aff7  com.apple.MetalPerformanceShaders.MetalPerformanceShaders (1.0 - 1)  /System/Library/PrivateFrameworks/MetalPerformanceShaders.framework/Versions/A/MetalPerformanceShaders

0x7fff9820b000 -     0x7fff9821bfff  com.apple.MobileAssets (1.0 - 339.60.1) <06A9194C-0038-380D-904D-52706BE61E99> /System/Library/PrivateFrameworks/MobileAsset.framework/Versions/A/MobileAsset

0x7fff9836e000 -     0x7fff9837cfff  com.apple.MobileKeyBag (2.0 - 1.0)  /System/Library/PrivateFrameworks/MobileKeyBag.framework/Versions/A/MobileKeyBag

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0x7fff98467000 -     0x7fff98472fff  com.apple.NetAuth (6.2 - 6.2) <97F487D6-8089-31A8-B68C-6C1EAC6ED1B5> /System/Library/PrivateFrameworks/NetAuth.framework/Versions/A/NetAuth

0x7fff988bf000 -     0x7fff988c1fff  com.apple.OAuth (25 - 25)  /System/Library/PrivateFrameworks/OAuth.framework/Versions/A/OAuth

0x7fff98d4a000 -     0x7fff98d8bff3  com.apple.PerformanceAnalysis (1.148.3 - 148.3) <4E468BC7-F863-3674-909D-417231EB8C28> /System/Library/PrivateFrameworks/PerformanceAnalysis.framework/Versions/A/PerformanceAnalysis

0x7fff98dce000 -     0x7fff98dd5ff3  com.apple.phonenumbers (1.1.1 - 105)  /System/Library/PrivateFrameworks/PhoneNumbers.framework/Versions/A/PhoneNumbers

0x7fff993c3000 -     0x7fff993e5fff  com.apple.pluginkit.framework (1.0 - 1) <775E1168-9A28-34EC-AACD-B73803B9DDD4> /System/Library/PrivateFrameworks/PlugInKit.framework/Versions/A/PlugInKit

0x7fff99438000 -     0x7fff99472ffb  com.apple.ProtectedCloudStorage (1.0 - 1) <8B32A7EC-D371-38E3-A286-F1BE1307F1E1> /System/Library/PrivateFrameworks/ProtectedCloudStorage.framework/Versions/A/ProtectedCloudStorage

0x7fff99473000 -     0x7fff9948dfff  com.apple.ProtocolBuffer (1 - 249.1)  /System/Library/PrivateFrameworks/ProtocolBuffer.framework/Versions/A/ProtocolBuffer

0x7fff9948e000 -     0x7fff9949dff7  com.apple.QuickLookThumbnailing (1.0 - 1) <173EE873-1700-3FCA-9782-C060FBB5BCAD> /System/Library/PrivateFrameworks/QuickLookThumbnailing.framework/Versions/A/QuickLookThumbnailing

0x7fff994a6000 -     0x7fff994c9ff3  com.apple.RemoteViewServices (2.0 - 124) <6B967FDA-6591-302C-BA0A-76C4856E584E> /System/Library/PrivateFrameworks/RemoteViewServices.framework/Versions/A/RemoteViewServices

0x7fff9a193000 -     0x7fff9a196fff  com.apple.SecCodeWrapper (4.0 - 307.50.21)  /System/Library/PrivateFrameworks/SecCodeWrapper.framework/Versions/A/SecCodeWrapper

0x7fff9a225000 -     0x7fff9a2b2fff  com.apple.Sharing (696.2.67 - 696.2.67)  /System/Library/PrivateFrameworks/Sharing.framework/Versions/A/Sharing

0x7fff9a2b3000 -     0x7fff9a2d2ff7  com.apple.shortcut (2.16 - 98) <6C0435B1-83DD-3254-B0D3-3B86C6CE606A> /System/Library/PrivateFrameworks/Shortcut.framework/Versions/A/Shortcut

0x7fff9a2d3000 -     0x7fff9a539feb  com.apple.SkyLight (1.600.0 - 170.3) <38AC05EF-3A9E-3E3E-9849-04E0223DF7B9> /System/Library/PrivateFrameworks/SkyLight.framework/Versions/A/SkyLight

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0x7fff9aaae000 -     0x7fff9ab0ffff  com.apple.Suggestions (6.0 - 197) <9DD142A2-82A5-3202-B36C-20E19B4C5D56> /System/Library/PrivateFrameworks/Suggestions.framework/Versions/A/Suggestions

0x7fff9ae10000 -     0x7fff9ae84fdf  com.apple.Symbolication (62048.1) <1A30ED19-7532-3F46-9DD3-9879A973D0CF> /System/Library/PrivateFrameworks/Symbolication.framework/Versions/A/Symbolication

0x7fff9b0a4000 -     0x7fff9b0d0ff3  com.apple.framework.SystemAdministration (1.0 - 1.0)  /System/Library/PrivateFrameworks/SystemAdministration.framework/Versions/A/SystemAdministration

0x7fff9b2c3000 -     0x7fff9b2c9ff7  com.apple.TCC (1.0 - 1) <911B534B-4AC7-34E4-935E-E42ECD008CBC> /System/Library/PrivateFrameworks/TCC.framework/Versions/A/TCC

0x7fff9b355000 -     0x7fff9b41bff7  com.apple.TextureIO (2.8 - 2.8) <3D61E533-4156-3B21-B7ED-CB823E680DFC> /System/Library/PrivateFrameworks/TextureIO.framework/Versions/A/TextureIO

0x7fff9b464000 -     0x7fff9b479ff3  com.apple.ToneKit (1.0 - 1)  /System/Library/PrivateFrameworks/ToneKit.framework/Versions/A/ToneKit

0x7fff9b47a000 -     0x7fff9b488ffb  com.apple.ToneLibrary (1.0 - 1)  /System/Library/PrivateFrameworks/ToneLibrary.framework/Versions/A/ToneLibrary

0x7fff9b48f000 -     0x7fff9b490fff  com.apple.TrustEvaluationAgent (2.0 - 28.50.1)  /System/Library/PrivateFrameworks/TrustEvaluationAgent.framework/Versions/A/TrustEvaluationAgent

0x7fff9b491000 -     0x7fff9b621ff3  com.apple.UIFoundation (1.0 - 490.7) <2A3063FE-1790-3510-8A0E-AEC581D42B7E> /System/Library/PrivateFrameworks/UIFoundation.framework/Versions/A/UIFoundation

0x7fff9c0f0000 -     0x7fff9c1b0fff  com.apple.ViewBridge (283 - 283) <25A635B3-C87C-3D3A-ADF3-539713FA1048> /System/Library/PrivateFrameworks/ViewBridge.framework/Versions/A/ViewBridge

0x7fff9c5fb000 -     0x7fff9c601fff  com.apple.XPCService (2.0 - 1) <4B28B225-2105-33F4-9ED0-F04288FF4FB1> /System/Library/PrivateFrameworks/XPCService.framework/Versions/A/XPCService

0x7fff9c64e000 -     0x7fff9c6ccff7  com.apple.iLifeMediaBrowser (2.11.2 - 733) <13B4CC92-9DFE-3C01-A519-6E32CC504662> /System/Library/PrivateFrameworks/iLifeMediaBrowser.framework/Versions/A/iLifeMediaBrowser

0x7fff9c6d2000 -     0x7fff9c6d4ffb  com.apple.loginsupport (1.0 - 1)  /System/Library/PrivateFrameworks/login.framework/Versions/A/Frameworks/loginsupport.framework/Versions/A/loginsupport

0x7fff9c700000 -     0x7fff9c727ff7  com.apple.contacts.vCard (1.0 - 2250.11)  /System/Library/PrivateFrameworks/vCard.framework/Versions/A/vCard

0x7fff9c729000 -     0x7fff9c744ff7  libCRFSuite.dylib (34)  /usr/lib/libCRFSuite.dylib

0x7fff9c745000 -     0x7fff9c750fff  libChineseTokenizer.dylib (21) <0886E908-A825-36AF-B94B-2361FD8BC2A1> /usr/lib/libChineseTokenizer.dylib

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0x7fff9c7e4000 -     0x7fff9c9f7fff  libFosl_dynamic.dylib (16.39)  /usr/lib/libFosl_dynamic.dylib

0x7fff9ca13000 -     0x7fff9ca1afff  libMatch.1.dylib (27) <70D4BD2A-9383-37F2-B0D6-9B592D236601> /usr/lib/libMatch.1.dylib

0x7fff9ca1b000 -     0x7fff9ca1bfff  libOpenScriptingUtil.dylib (172) <90743888-C1E8-34E3-924E-1A754B2B63B9> /usr/lib/libOpenScriptingUtil.dylib

0x7fff9ca1c000 -     0x7fff9ca20ffb  libScreenReader.dylib (477.40.6)  /usr/lib/libScreenReader.dylib

0x7fff9ca21000 -     0x7fff9ca22ffb  libSystem.B.dylib (1238.60.2)  /usr/lib/libSystem.B.dylib

0x7fff9ca8e000 -     0x7fff9cab9ff3  libarchive.2.dylib (41.70.1)  /usr/lib/libarchive.2.dylib

0x7fff9caba000 -     0x7fff9cb36fc7  libate.dylib (1.12.13)  /usr/lib/libate.dylib

0x7fff9cb3a000 -     0x7fff9cb3aff3  libauto.dylib (187) <34388D0B-C539-3C1B-9408-2BC152162E43> /usr/lib/libauto.dylib

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0x7fff9cb4c000 -     0x7fff9cb5aff7  libbz2.1.0.dylib (38)  /usr/lib/libbz2.1.0.dylib

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0x7fff9cbb2000 -     0x7fff9cbdbff7  libc++abi.dylib (307.4)  /usr/lib/libc++abi.dylib

0x7fff9cbdc000 -     0x7fff9cbecffb  libcmph.dylib (6) <2B5D405E-2D0B-3320-ABD6-622934C86ABE> /usr/lib/libcmph.dylib

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0x7fff9cc04000 -     0x7fff9cc04ff7  libcoretls.dylib (121.50.4) <64B1001E-10F6-3542-A3B2-C4B49F51817F> /usr/lib/libcoretls.dylib

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0x7fff9ccc0000 -     0x7fff9cda5ff7  libcrypto.0.9.8.dylib (64.50.6)  /usr/lib/libcrypto.0.9.8.dylib

0x7fff9cf37000 -     0x7fff9cf42fff  libcsfde.dylib (540.30.1) <0C2B183B-16D9-3D5F-962D-0A09C7063211> /usr/lib/libcsfde.dylib

0x7fff9cf43000 -     0x7fff9cf96ff7  libcups.2.dylib (450) <9950BFCB-7882-33C9-9ECF-CE66773C5657> /usr/lib/libcups.2.dylib

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0x7fff9cfea000 -     0x7fff9cff1ff3  libdscsym.dylib (148.3)  /usr/lib/libdscsym.dylib

0x7fff9d013000 -     0x7fff9d013fff  libenergytrace.dylib (15)  /usr/lib/libenergytrace.dylib

0x7fff9d023000 -     0x7fff9d028ff7  libheimdal-asn1.dylib (498.50.8)  /usr/lib/libheimdal-asn1.dylib

0x7fff9d029000 -     0x7fff9d11bff7  libiconv.2.dylib (50) <42125B35-81D7-3FC4-9475-A26DBE10884D> /usr/lib/libiconv.2.dylib

0x7fff9d11c000 -     0x7fff9d341ffb  libicucore.A.dylib (57166.0.1)  /usr/lib/libicucore.A.dylib

0x7fff9d347000 -     0x7fff9d348fff  liblangid.dylib (126) <2085E7A7-9A34-3735-87F4-F174EF8EABF0> /usr/lib/liblangid.dylib

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0x7fff9d363000 -     0x7fff9d379ff7  libmarisa.dylib (5) <9030D214-5D0F-30CB-AC03-902C63909362> /usr/lib/libmarisa.dylib

0x7fff9d37a000 -     0x7fff9d622ff7  libmecabra.dylib (744.8)  /usr/lib/libmecabra.dylib

0x7fff9d655000 -     0x7fff9d6cfff3  libnetwork.dylib (856.60.1) <191E99F5-4723-3180-8013-02AF2F9AE4B8> /usr/lib/libnetwork.dylib

0x7fff9d6d0000 -     0x7fff9daa2047  libobjc.A.dylib (709.1) <70614861-0340-32E2-85ED-FE65759CDFFA> /usr/lib/libobjc.A.dylib

0x7fff9daa3000 -     0x7fff9daa4fff  libodfde.dylib (23.50.1) <744F1E66-11EB-3A4D-8944-722F39C55278> /usr/lib/libodfde.dylib

0x7fff9daa5000 -     0x7fff9daa9fff  libpam.2.dylib (21.30.1) <71EB0D88-DE84-3C8D-A2C5-58AA282BC5BC> /usr/lib/libpam.2.dylib

0x7fff9daaa000 -     0x7fff9dadbfff  libpcap.A.dylib (67.60.1)  /usr/lib/libpcap.A.dylib

0x7fff9daf8000 -     0x7fff9db14ffb  libresolv.9.dylib (64)  /usr/lib/libresolv.9.dylib

0x7fff9db15000 -     0x7fff9db4efff  libsandbox.1.dylib (592.70.1) <9C428C49-9D9A-3F9F-9573-BF5202D1F933> /usr/lib/libsandbox.1.dylib

0x7fff9db4f000 -     0x7fff9db61ffb  libsasl2.2.dylib (209) <32107C59-22C6-3049-B86E-9C2F85FF549B> /usr/lib/libsasl2.2.dylib

0x7fff9db62000 -     0x7fff9db63ff3  libspindump.dylib (231.3)  /usr/lib/libspindump.dylib

0x7fff9db64000 -     0x7fff9dcb2ff7  libsqlite3.dylib (254.8) <1ECF7DF7-7A07-3B4B-A63B-F4EFF6BC7ACF> /usr/lib/libsqlite3.dylib

0x7fff9dda3000 -     0x7fff9dda6ff7  libutil.dylib (47.30.1) <88CC63B3-0EDF-306E-9AB5-D87EBE0F3F16> /usr/lib/libutil.dylib

0x7fff9dda7000 -     0x7fff9ddb4fff  libxar.1.dylib (357) <69547C64-E811-326F-BBED-490C6361BDCB> /usr/lib/libxar.1.dylib

0x7fff9ddb5000 -     0x7fff9dea4fff  libxml2.2.dylib (30.17)  /usr/lib/libxml2.2.dylib

0x7fff9dea5000 -     0x7fff9decefff  libxslt.1.dylib (15.9) <00735AD5-B62D-3E83-86AC-5533E4E2B102> /usr/lib/libxslt.1.dylib

0x7fff9decf000 -     0x7fff9dee0ff3  libz.1.dylib (67) <46E3FFA2-4328-327A-8D34-A03E20BFFB8E> /usr/lib/libz.1.dylib

0x7fff9deef000 -     0x7fff9def3ff7  libcache.dylib (79) <093A4DAB-8385-3D47-A350-E20CB7CCF7BF> /usr/lib/system/libcache.dylib

0x7fff9def4000 -     0x7fff9defefff  libcommonCrypto.dylib (60092.50.5) <8A64D1B0-C70E-385C-92F0-E669079FDA90> /usr/lib/system/libcommonCrypto.dylib

0x7fff9deff000 -     0x7fff9df06fff  libcompiler_rt.dylib (62) <55D47421-772A-32AB-B529-1A46C2F43B4D> /usr/lib/system/libcompiler_rt.dylib

0x7fff9df07000 -     0x7fff9df0ffff  libcopyfile.dylib (138) <819BEA3C-DF11-3E3D-A1A1-5A51C5BF1961> /usr/lib/system/libcopyfile.dylib

0x7fff9df10000 -     0x7fff9df93fdf  libcorecrypto.dylib (442.50.19) <65D7165E-2E71-335D-A2D6-33F78E2DF0C1> /usr/lib/system/libcorecrypto.dylib

0x7fff9df94000 -     0x7fff9dfc5fff  libdispatch.dylib (703.50.37) <6582BAD6-ED27-3B30-B620-90B1C5A4AE3C> /usr/lib/system/libdispatch.dylib

0x7fff9dfc6000 -     0x7fff9dfcbffb  libdyld.dylib (433.5) <9B2AC56D-107C-3541-A127-9094A751F2C9> /usr/lib/system/libdyld.dylib

0x7fff9dfcc000 -     0x7fff9dfccffb  libkeymgr.dylib (28) <7AA011A9-DC21-3488-BF73-3B5B14D1FDD6> /usr/lib/system/libkeymgr.dylib

0x7fff9dfcd000 -     0x7fff9dfd9fff  libkxld.dylib (3789.70.16)  /usr/lib/system/libkxld.dylib

0x7fff9dfda000 -     0x7fff9dfdafff  liblaunch.dylib (972.70.1)  /usr/lib/system/liblaunch.dylib

0x7fff9dfdb000 -     0x7fff9dfe0ff3  libmacho.dylib (898) <17D5D855-F6C3-3B04-B680-E9BF02EF8AED> /usr/lib/system/libmacho.dylib

0x7fff9dfe1000 -     0x7fff9dfe3ff3  libquarantine.dylib (85.50.1) <12448CC2-378E-35F3-BE33-9DC395A5B970> /usr/lib/system/libquarantine.dylib

0x7fff9dfe4000 -     0x7fff9dfe5ffb  libremovefile.dylib (45) <38D4CB9C-10CD-30D3-8B7B-A515EC75FE85> /usr/lib/system/libremovefile.dylib

0x7fff9dfe6000 -     0x7fff9dffeff7  libsystem_asl.dylib (349.50.5) <096E4228-3B7C-30A6-8B13-EC909A64499A> /usr/lib/system/libsystem_asl.dylib

0x7fff9dfff000 -     0x7fff9dfffff7  libsystem_blocks.dylib (67) <10DC5404-73AB-35B3-A277-A8AFECB476EB> /usr/lib/system/libsystem_blocks.dylib

0x7fff9e000000 -     0x7fff9e08dfef  libsystem_c.dylib (1158.50.2)  /usr/lib/system/libsystem_c.dylib

0x7fff9e08e000 -     0x7fff9e091ffb  libsystem_configuration.dylib (888.60.2)  /usr/lib/system/libsystem_configuration.dylib

0x7fff9e092000 -     0x7fff9e095fff  libsystem_coreservices.dylib (41.4) <7D26DE79-B424-3450-85E1-F7FAB32714AB> /usr/lib/system/libsystem_coreservices.dylib

0x7fff9e096000 -     0x7fff9e0aefff  libsystem_coretls.dylib (121.50.4)  /usr/lib/system/libsystem_coretls.dylib

0x7fff9e0af000 -     0x7fff9e0b5fff  libsystem_dnssd.dylib (765.50.9)  /usr/lib/system/libsystem_dnssd.dylib

0x7fff9e0b6000 -     0x7fff9e0dfff7  libsystem_info.dylib (503.50.4) <611DB84C-BF70-3F92-8702-B9F28A900920> /usr/lib/system/libsystem_info.dylib

0x7fff9e0e0000 -     0x7fff9e102ff7  libsystem_kernel.dylib (3789.70.16) <34B1F16C-BC9C-3C5F-9045-0CAE91CB5914> /usr/lib/system/libsystem_kernel.dylib

0x7fff9e103000 -     0x7fff9e14afe7  libsystem_m.dylib (3121.6) <86D499B5-BBDC-3D3B-8A4E-97AE8E6672A4> /usr/lib/system/libsystem_m.dylib

0x7fff9e14b000 -     0x7fff9e169ff7  libsystem_malloc.dylib (116.50.8)  /usr/lib/system/libsystem_malloc.dylib

0x7fff9e16a000 -     0x7fff9e1c3ffb  libsystem_network.dylib (856.60.1) <369D0221-56CA-3C3E-9EDE-94B41CAE77B7> /usr/lib/system/libsystem_network.dylib

0x7fff9e1c4000 -     0x7fff9e1cdff3  libsystem_networkextension.dylib (563.60.2)  /usr/lib/system/libsystem_networkextension.dylib

0x7fff9e1ce000 -     0x7fff9e1d7ff3  libsystem_notify.dylib (165.20.1)  /usr/lib/system/libsystem_notify.dylib

0x7fff9e1d8000 -     0x7fff9e1e0fe7  libsystem_platform.dylib (126.50.8) <897462FD-B318-321B-A554-E61982630F7E> /usr/lib/system/libsystem_platform.dylib

0x7fff9e1e1000 -     0x7fff9e1ebff7  libsystem_pthread.dylib (218.60.3)  /usr/lib/system/libsystem_pthread.dylib

0x7fff9e1ec000 -     0x7fff9e1efff7  libsystem_sandbox.dylib (592.70.1) <4B92EC49-ACD0-36AE-B07A-A2B8152EAF9D> /usr/lib/system/libsystem_sandbox.dylib

0x7fff9e1f0000 -     0x7fff9e1f1ff3  libsystem_secinit.dylib (24.50.4)  /usr/lib/system/libsystem_secinit.dylib

0x7fff9e1f2000 -     0x7fff9e1f9ffb  libsystem_symptoms.dylib (532.50.47) <3390E07C-C1CE-348F-ADBD-2C5440B45EAA> /usr/lib/system/libsystem_symptoms.dylib

0x7fff9e1fa000 -     0x7fff9e20dff7  libsystem_trace.dylib (518.70.1)  /usr/lib/system/libsystem_trace.dylib

0x7fff9e20e000 -     0x7fff9e213ffb  libunwind.dylib (35.3) <3D50D8A8-C460-334D-A519-2DA841102C6B> /usr/lib/system/libunwind.dylib

0x7fff9e214000 -     0x7fff9e23dff7  libxpc.dylib (972.70.1)  /usr/lib/system/libxpc.dylib
External Modification Summary:

Calls made by other processes targeting this process:

task_for_pid: 0

thread_create: 0

thread_set_state: 0

Calls made by this process:

task_for_pid: 0

thread_create: 0

thread_set_state: 0

Calls made by all processes on this machine:

task_for_pid: 7373

thread_create: 0

thread_set_state: 0
VM Region Summary:

ReadOnly portion of Libraries: Total=389.5M resident=0K(0%) swapped_out_or_unallocated=389.5M(100%)

Writable regions: Total=332.4M written=0K(0%) resident=0K(0%) swapped_out=0K(0%) unallocated=332.4M(100%)
                            VIRTUAL   REGION 

REGION TYPE                        SIZE    COUNT (non-coalesced)

===========                     =======  =======

Accelerate framework               512K        5

Activity Tracing                   256K        2

CG backing stores                 12.1M        5

CG image                           688K       73

CoreAnimation                      248K       16

CoreUI image data                 4568K       32

CoreUI image file                  300K        6

Foundation                          40K        3

Image IO                            12K        2

Kernel Alloc Once                    8K        2

MALLOC                           263.9M       69

MALLOC guard page                   48K       10

Memory Tag 242                      12K        2

Memory Tag 251                      56K        5

OpenCL                              16K        3

OpenGL GLSL                        256K        4

STACK GUARD                       56.1M       21

Stack                             17.6M       21

VM_ALLOCATE                       16.7M       47

__DATA                            46.5M      347

__GLSLBUILTINS                    2588K        2

__IMAGE                            528K        2

__LINKEDIT                       120.5M       40

__TEXT                           269.0M      341

__UNICODE                          556K        2

mapped file                      102.9M      203

shared memory                     16.9M       18

===========                     =======  =======

TOTAL                            932.7M     1256
Model: MacBookPro11,3, BootROM MBP112.0138.B40, 4 processors, Intel Core i7, 2.5 GHz, 16 GB, SMC 2.19f12

Graphics: Intel Iris Pro, Intel Iris Pro, Built-In

Graphics: NVIDIA GeForce GT 750M, NVIDIA GeForce GT 750M, PCIe, 2048 MB

Memory Module: BANK 0/DIMM0, 8 GB, DDR3, 1600 MHz, 0x80AD, 0x484D54343147533641465238412D50422020

Memory Module: BANK 1/DIMM0, 8 GB, DDR3, 1600 MHz, 0x80AD, 0x484D54343147533641465238412D50422020

AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x134), Broadcom BCM43xx 1.0 (7.21.171.130.1a1)

Bluetooth: Version 5.0.5f1, 3 services, 27 devices, 1 incoming serial ports

Network Service: Wi-Fi, AirPort, en0

Serial ATA Device: APPLE SSD SM0512F, 500.28 GB

USB Device: USB 3.0 Bus

USB Device: Apple Internal Keyboard / Trackpad

USB Device: BRCM20702 Hub

USB Device: Bluetooth USB Host Controller

USB Device: Atreus

Thunderbolt Bus: MacBook Pro, Apple Inc., 17.1

define pi?

I know I can just wrap my whole script in a let, but this seems like a common enough case that it might be worth including by default :)

Consistent crash on startup

I'm on Mac OS 10.12.6, and I'm trying to run the ao-guile-repl branch. (I know that branch is marked as deprecated, but the master branch is marked as not ready yet, so I figured it was the best bet... but if I just shouldn't be trying to use that older branch, then please let me know!)

I got everything installed & compiled through brew & git, but when I actually double-click ao-guile, I just get the following message in a Terminal window every time:

Andrews-MacBook-Air:~ andrew$ /Users/andrew/ao/bin/ao-guile ; exit;
;;; note: auto-compilation is enabled, set GUILE_AUTO_COMPILE=0
;;;       or pass the --no-auto-compile argument to disable.
;;; compiling /Users/andrew/ao/bin/ao-guile
;;; WARNING: compilation of /Users/andrew/ao/bin/ao-guile failed:
;;; ERROR: In procedure scm_to_utf8_stringn: Wrong type argument in position 1 (expecting string): #f
Backtrace:
          11 (primitive-load "/Users/andrew/ao/bin/ao-guile")
In ice-9/eval.scm:
   721:20 10 (primitive-eval (use-modules ((ice-9 readline) # (…))))
In ice-9/psyntax.scm:
  1234:36  9 (expand-top-sequence ((use-modules ((ice-9 #) # (…)))) _ …)
  1181:24  8 (parse _ (("placeholder" placeholder)) ((top) #(# # …)) …)
   284:10  7 (parse _ (("placeholder" placeholder)) (()) _ c&e (eval) …)
In ice-9/boot-9.scm:
  3369:20  6 (process-use-modules _)
   230:17  5 (map1 (((ice-9 readline) #:select (write-history # #))))
  3370:31  4 (_ ((ice-9 readline) #:select (write-history # #)))
  2805:10  3 (resolve-interface (ice-9 readline) #:select _ #:hide _ …)
   268:13  2 (for-each #<procedure 1103f7980 at ice-9/boot-9.scm:28…> …)
  2810:38  1 (_ _)
In unknown file:
           0 (scm-error misc-error #f "~A" ("no binding `history-f…") …)

ERROR: In procedure scm-error:
ERROR: no binding `history-file' in module (ice-9 readline)
logout
Saving session...
...copying shared history...
...saving history...truncating history files...
...completed.

[Process completed]

Changing render parameters doesn't cancel renders in progress

In short: if I open the render options window, and punch in a resolution value that will take 60 seconds to render, then immediately change it to something that should take 1 second to render, I will still have to wait 61 seconds to see it.

Changing any of the parameter values should immediately cancel any renders in progress, to start the new render as soon as possible (since the user has already indicated they're not interested in whatever the previous render was). In the case of renders that take hours, I didn't realise I was making myself wait for far longer than I needed to, since I was switching from my 'preview' settings to my 'final' settings by changing both the resolution value and the quality value, which I didn't realise was essentially starting TWO rendering jobs, back to back, each taking several hours to complete.

I can work around this by changing the values, saving, quitting, and relaunching Studio, but it would be nice not to have to bother -- and extra nice for people who haven't realised that this is what Studio is doing, yet :)

Testcase findBounds/Moved circle fails

$ ./ao/test/ao-test findBounds

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ao-test is a Catch v1.1 b3 host application.
Run with -? for options

-------------------------------------------------------------------------------
findBounds
  Moved circle
-------------------------------------------------------------------------------
/home/nick/ao/ao/test/bounds.cpp:28
...............................................................................

/home/nick/ao/ao/test/bounds.cpp:68: FAILED:
  REQUIRE( r.lower.y() == Approx(0.6).epsilon(0.001) )
with expansion:
  -0.0000305176 == Approx( 0.6 )
with messages:
  r.lower := -3.05176e-05
  -3.05176e-05
          -inf
  r.upper := 0.600006
  0.600006
       inf

===============================================================================
test cases:  1 |  0 passed | 1 failed
assertions: 56 | 55 passed | 1 failed

Crash when passing zero arguments to *

Build: a92168e

Steps to reproduce:

1. Open tutorial.ao
2. Find the expression (* x x)
3. Delete both x's.
4. Studio crashes.

Here's a trace in gdb:

GNU gdb (Debian 7.12-6) 7.12.0.20161007-git
[snipped]
QWidget::setWindowModified: The window title does not contain a '[*]' placeholder
[snipped]

Thread 6 "QThread" received signal SIGABRT, Aborted.
[Switching to Thread 0x7fffda7a9700 (LWP 2050)]
__GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
51	../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb) bt
#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
#1  0x00007ffff531d3fa in __GI_abort () at abort.c:89
#2  0x00007ffff5359bd0 in __libc_message (do_abort=do_abort@entry=2, 
    fmt=fmt@entry=0x7ffff544edd0 "*** Error in `%s': %s: 0x%s ***\n")
    at ../sysdeps/posix/libc_fatal.c:175
#3  0x00007ffff535ff96 in malloc_printerr (action=3, 
    str=0x7ffff544b9c8 "malloc(): memory corruption", ptr=<optimized out>, 
    ar_ptr=<optimized out>) at malloc.c:5049
#4  0x00007ffff5362059 in _int_malloc (av=av@entry=0x7fffd0000020, 
    bytes=bytes@entry=164) at malloc.c:3512
#5  0x00007ffff5363f34 in __GI___libc_malloc (bytes=164) at malloc.c:2928
#6  0x00007ffff795ff50 in Eigen::internal::handmade_aligned_malloc (size=132)
    at /usr/include/eigen3/Eigen/src/Core/util/Memory.h:88
#7  Eigen::internal::aligned_malloc (size=132)
    at /usr/include/eigen3/Eigen/src/Core/util/Memory.h:164
#8  Eigen::internal::conditional_aligned_malloc<true> (size=132)
    at /usr/include/eigen3/Eigen/src/Core/util/Memory.h:214
#9  Eigen::internal::conditional_aligned_new_auto<float, true> (size=33)
    at /usr/include/eigen3/Eigen/src/Core/util/Memory.h:374
#10 Eigen::DenseStorage<float, -1, 3, -1, 0>::resize (cols=11, size=33, 
    this=0x7fffda7a86c8)
    at /usr/include/eigen3/Eigen/src/Core/DenseStorage.h:477
#11 Eigen::PlainObjectBase<Eigen::Array<float, 3, -1, 0, 3, -1> >::resize (
    cols=11, rows=3, this=0x7fffda7a86c8)
    at /usr/include/eigen3/Eigen/src/Core/PlainObjectBase.h:293
#12 Eigen::PlainObjectBase<Eigen::Array<float, 3, -1, 0, 3, -1> >::_init2<int, unsigned long> (cols=11, rows=3, this=0x7fffda7a86c8)
    at /usr/include/eigen3/Eigen/src/Core/PlainObjectBase.h:739
#13 Eigen::Array<float, 3, -1, 0, 3, -1>::Array<int, unsigned long> (
    val1=<optimized out>, val0=<optimized out>, this=0x7fffda7a86c8)
    at /usr/include/eigen3/Eigen/src/Core/Array.h:181
#14 Kernel::DerivEvaluator::DerivEvaluator (this=0x7fffda7a86a8, t=..., 
    vars=...) at /home/nick/ao/ao/src/eval/eval_deriv.cpp:31
#15 0x00007ffff7960672 in Kernel::FeatureEvaluator::FeatureEvaluator (
    this=<optimized out>, t=..., vars=...)
    at /home/nick/ao/ao/src/eval/eval_feature.cpp:31
#16 0x0000555555583a11 in Kernel::XTreeEvaluator::XTreeEvaluator (
    vars=std::map with 0 elements, t=..., this=<optimized out>)
    at /home/nick/ao/ao/src/../include/ao/render/brep/eval_xtree.hpp:36
#17 Shape::Shape (this=0x7fffd0149b60, t=..., 
    vars=std::shared_ptr (empty) 0x7fffda7a88c0)
    at /home/nick/ao/gui/src/shape.cpp:36
#18 0x0000555555591080 in _Interpreter::eval (this=0x555555ad5730)
    at /home/nick/ao/gui/src/interpreter.cpp:187
#19 0x00007ffff61d0499 in QObject::event(QEvent*) ()
   from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007ffff6a86b8c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
    () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x00007ffff6a8e341 in QApplication::notify(QObject*, QEvent*) ()
   from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x00007ffff61a39e0 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
    () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007ffff61a616d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007ffff61f7c43 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007ffff2c1b7f7 in g_main_context_dispatch ()
   from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007ffff2c1ba60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007ffff2c1bb0c in g_main_context_iteration ()
   from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007ffff61f804f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007ffff61a19ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#30 0x00007ffff5fcf0f3 in QThread::exec() ()
   from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x00007ffff5fd3da8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007ffff72c1494 in start_thread (arg=0x7fffda7a9700)
    at pthread_create.c:333
#33 0x00007ffff53d1aff in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97
(gdb) quit
A debugging session is active.

	Inferior 1 [process 2042] will be killed.

Quit anyway? (y or n) y

Issues building on Linux

I'm getting this error during compile:

$ make clean ; make all
[  1%] Building CXX object ao/src/CMakeFiles/ao-kernel.dir/eval/evaluator.cpp.o
[  3%] Building CXX object ao/src/CMakeFiles/ao-kernel.dir/eval/result.cpp.o
[  5%] Building CXX object ao/src/CMakeFiles/ao-kernel.dir/eval/feature.cpp.o
[  6%] Building CXX object ao/src/CMakeFiles/ao-kernel.dir/render/discrete/heightmap.cpp.o
[  8%] Building CXX object ao/src/CMakeFiles/ao-kernel.dir/render/discrete/voxels.cpp.o
[ 10%] Building CXX object ao/src/CMakeFiles/ao-kernel.dir/render/brep/xtree.cpp.o
[ 12%] Building CXX object ao/src/CMakeFiles/ao-kernel.dir/render/brep/contours.cpp.o
In file included from /home/nick/ao/ao/src/render/brep/contours.cpp:5:0:
/home/nick/ao/ao/src/../include/ao/render/brep/xtree.hpp:34:18: error: ‘std::atomic_bool’ has not been declared
             std::atomic_bool& cancel);
                  ^~~~~~~~~~~
/home/nick/ao/ao/src/../include/ao/render/brep/xtree.hpp:44:18: error: ‘std::atomic_bool’ has not been declared
             std::atomic_bool& cancel);
                  ^~~~~~~~~~~
/home/nick/ao/ao/src/../include/ao/render/brep/xtree.hpp:155:16: error: ‘std::atomic_bool’ has not been declared
           std::atomic_bool& cancel);
                ^~~~~~~~~~~
ao/src/CMakeFiles/ao-kernel.dir/build.make:206: recipe for target 'ao/src/CMakeFiles/ao-kernel.dir/render/brep/contours.cpp.o' failed
make[2]: *** [ao/src/CMakeFiles/ao-kernel.dir/render/brep/contours.cpp.o] Error 1
CMakeFiles/Makefile2:109: recipe for target 'ao/src/CMakeFiles/ao-kernel.dir/all' failed
make[1]: *** [ao/src/CMakeFiles/ao-kernel.dir/all] Error 2
Makefile:83: recipe for target 'all' failed
make: *** [all] Error 2


$ git rev-parse --short HEAD
5377b53

Difference operations yields incorrect bounds

Differencing shapes yields bounds that are a composite of both shapes rather than only the bounds of the remaining shape

Non affine transforms invalidate bounds

I understand this issue is documented, but we might nonetheless deem it a bug :)

Build fails on aarch64

Hello Ao,

When I try to build Ao "ao-guile-repl" branch on aarch64 the build fails in the efsw directory with an error from inotify_nosys.h, saying "Unsupported architecture!"

The following patch fixes this. Please forward to the efsw devs.

--- ao/ui/vendor/efsw/src/efsw/inotify-nosys.h  2017-12-14 16:27:16.125871099 -0600
+++ ao/ui/vendor/efsw/src/efsw/inotify-nosys.h  2017-12-14 16:26:39.786022981 -0600
@@ -69,6 +69,11 @@
 # define __NR_inotify_add_watch (__NR_SYSCALL_BASE+317)
 # define __NR_inotify_rm_watch (__NR_SYSCALL_BASE+318)

+#elif defined (__aarch64__)
+# define __NR_inotify_init 1043
+# define __NR_inotify_add_watch 27
+# define __NR_inotify_rm_watch 28
+
 #elif defined (__frv__)
 # define __NR_inotify_init 291
 # define __NR_inotify_add_watch 292

Argument order for shape-taking (nesting) functions

So, I'll be honest: I only recently discovered the "Shape reference" in the help menu (was it there all along?), and prior to that I had written a lot of my own versions of those same functions, not knowing they already existed.

I'm sure there's a lot wrong with my approach (I know barely anything about Scheme), but there's one thing about my version that I miss, and it's that the values came before the shape, which lent itself to writing things like:

(translate x y z 0.1 0.2 0.3 (lambda (x y z)
(rot3dY x y z 0.1 (lambda (x y z)
(scale x y z 1.0 1.5 1.0 (lambda (x y z)
    (mysphere x y z 0.2)
)) )) ))

I won't miss all those verbose 'x y z' and 'lambda's that I couldn't figure out how to get rid of, but writing it this way let me keep the values on the same line as the function that they're referring to, whereas with things like 'move' I'd have to write it this way:

(move
(rotate-y
(scale-y
    (mysphere x y z 0.2)
1.5)
0.1)
#[0.1 0.2 0.3])

where the values are a pretty big distance away from the name describing what they are—and also in reverse order.

I understand that this would be a breaking change, but I figured I'd bring it up anyway (if only to also implicitly ask if there's some more reasonable way of approaching this that I'm unaware of?)

Build fails at src/eval/evaluator.cpp

I'm using Ubuntu trusty, and installed the dependencies as:

sudo add-apt-repository -y ppa:keithw/glfw3
sudo apt-get update
sudo apt-get install -y libglfw3 libglfw3-dev libepoxy0 libepoxy-dev
cmake -G Ninja ..

FAILED: kernel/CMakeFiles/ao-kernel.dir/src/eval/evaluator.cpp.o
/usr/bin/c++ -Wall -Wextra -g -fPIC -pedantic -std=c++11 -Werror=switch -march=native -O3 -DRELEASE -isystem ../vendor -I../kernel/include -MMD -MT kernel/CMakeFiles/ao-kernel.dir/src/eval/evaluator.cpp.o -MF kernel/CMakeFiles/ao-kernel.dir/src/eval/evaluator.cpp.o.d -o kernel/CMakeFiles/ao-kernel.dir/src/eval/evaluator.cpp.o -c ../
kernel/src/eval/evaluator.cpp
In file included from ../kernel/include/ao/kernel/tree/tree.hpp:26:0,
from ../kernel/src/eval/evaluator.cpp:24:
../kernel/include/ao/kernel/tree/opcode.hpp:54:5: warning: multi-line comment [-Wcomment]
// /
^
../kernel/include/ao/kernel/tree/opcode.hpp:56:5: warning: multi-line comment [-Wcomment]
// / \ /
^
../kernel/include/ao/kernel/tree/opcode.hpp:58:5: warning: multi-line comment [-Wcomment]
// / \ / \ /
^
../kernel/src/eval/evaluator.cpp: In constructor ‘Evaluator::Evaluator(const Tree*, const mat4&)’:
../kernel/src/eval/evaluator.cpp:49:17: error: ‘align’ is not a member of ‘std’
std::align(alignment, sizeof(Clause) * count, buf, bytes));
^
[22/71] Building CXX object kernel/CMakeFiles/ao-kernel.dir/src/render/quadtree.cpp.o
In file included from ../kernel/include/ao/kernel/eval/clause.hpp:23:0,
from ../kernel/include/ao/kernel/eval/evaluator.hpp:29,
from ../kernel/include/ao/kernel/render/xtree.hpp:28,
from ../kernel/include/ao/kernel/render/quadtree.hpp:21,
from ../kernel/src/render/quadtree.cpp:20:
../kernel/include/ao/kernel/tree/opcode.hpp:54:5: warning: multi-line comment [-Wcomment]
// /
^
../kernel/include/ao/kernel/tree/opcode.hpp:56:5: warning: multi-line comment [-Wcomment]
// / \ /
^
../kernel/include/ao/kernel/tree/opcode.hpp:58:5: warning: multi-line comment [-Wcomment]
// / \ / \ /
^
[23/71] Building CXX object kernel/CMakeFiles/ao-kernel.dir/src/render/octree.cpp.o
In file included from ../kernel/include/ao/kernel/eval/clause.hpp:23:0,
from ../kernel/include/ao/kernel/eval/evaluator.hpp:29,
from ../kernel/include/ao/kernel/render/xtree.hpp:28,
from ../kernel/include/ao/kernel/render/octree.hpp:21,
from ../kernel/src/render/octree.cpp:21:
../kernel/include/ao/kernel/tree/opcode.hpp:54:5: warning: multi-line comment [-Wcomment]
// /
^
../kernel/include/ao/kernel/tree/opcode.hpp:56:5: warning: multi-line comment [-Wcomment]
// / \ /
^
../kernel/include/ao/kernel/tree/opcode.hpp:58:5: warning: multi-line comment [-Wcomment]
// / \ / \ /
^
ninja: build stopped: subcommand failed.

Native transformation functions ignore changes to x,y,z?

There's a decent chance I'm just misunderstanding how these functions are meant to be used, but, in case it's something like #44 , I might as well ask:

I'm trying out the native transformation functions for the first time, and while they mostly work alright in a vacuum, it seems like they ignore any existing changes that had already taken place to the arguments?

I've attached a very simple example nesttest.zip where I use (let ((x (abs x))) ... ) to make a shape symmetrical, once using my translate function on the shape, and once using the native move function (with different Y values so you can see them at the same time). Things inside move seem to hold a reference to lambda-shape's original x value, rather than the one defined in the 'let'?

I guess my question is, how can I write a function that will make changes to the space arguments that will actually be acknowledged by native functions like move? (Or just, am I doing any of this the intended way at all? I know very little about Scheme, and even less about what Ao is doing internally... And unfortunately, I don't really know enough C++ or enough advanced math to make much sense of what the source says!)

exception after changing watched file

OSX 10.11.6

I can watch a file and its contents will be displayed, but after saving the file ao-guile quits after printing

guile: uncaught throw to wrong-type-arg: (scm_i_foreign_call Wrong type argument in position ~A (expecting ~A): ~S (1 POINTER_P #<unspecified>) (#<unspecified>))

The watched file contains

(define (neg x) (* -1 x))

(define (chop inner outer)
  (difference
      (cube (map neg (list outer outer outer))
                     (list outer outer outer))
      (union
          (cube (map neg (list inner outer outer))
                         (list inner outer outer))
          (cube (map neg (list outer inner outer))
                         (list outer inner outer))
          (cube (map neg (list outer outer inner))
                         (list outer outer inner)))))

(define m (difference
              (difference 
                  (sphere '(0 0 0) 1)  
                  (sphere '(0 0 0) .8) )
              (chop .1 1)))

(ao-show m)

Build crashes while linking libao

While rebuilding after patching ao to fix #9, I missed GL/glcorearb.h:

/usr/local/include/GLFW/glfw3.h:131:28: fatal error: GL/glcorearb.h: No such file or directory
#include <GL/glcorearb.h>
^
compilation terminated.
[49/71] Building CXX object ui/CMakeFiles/ao-ui.dir/src/task.cpp.o
FAILED: ui/CMakeFiles/ao-ui.dir/src/task.cpp.o
/usr/bin/c++ -DGLFW_INCLUDE_GLCOREARB -Wall -Wextra -g -fPIC -pedantic -std=c++11 -Werror=switch -march=native -O3 -DRELEASE -isystem ../vendor -isystem /usr/local/include -isystem /usr/inclu
de/libdrm -I../ui/include -I../ui/vendor -I../kernel/include -MMD -MT ui/CMakeFiles/ao-ui.dir/src/task.cpp.o -MF ui/CMakeFiles/ao-ui.dir/src/task.cpp.o.d -o ui/CMakeFiles/ao-ui.dir/src/task.cpp
.o -c ../ui/src/task.cpp
In file included from ../ui/include/ao/ui/gl/core.hpp:28:0,
from ../ui/include/ao/ui/worker.hpp:24,
from ../ui/src/task.cpp:20:
/usr/local/include/GLFW/glfw3.h:131:28: fatal error: GL/glcorearb.h: No such file or directory
#include <GL/glcorearb.h>
^
compilation terminated.

So I downloaded it from here and placed it locally as /usr/include/GL/glcorearb.h. Rebuilding after that brings this:

28/28] Linking CXX executable test/ao-test
FAILED: test/ao-test
: && /usr/bin/c++ -Wall -Wextra -g -fPIC -pedantic -std=c++11 -Werror=switch -march=native -O3 -DRELEASE test/CMakeFiles/ao-test.dir//ui/test/gl.cpp.o test/CMakeFiles/ao-test.dir//kernel/test/heightmap.cpp.o test/CMakeFiles/ao-test.dir//kernel/test/region.cpp.o test/CMakeFiles/ao-test.dir//kernel/test/shapes.cpp.o test/CMakeFiles/ao-test.dir//kernel/test/dc.cpp.o test/CMakeFiles/ao-test.dir//kernel/test/octree.cpp.o test/CMakeFiles/ao-test.dir//kernel/test/eval.cpp.o test/CMakeFiles/ao-test.dir//kernel/test/mesh.cpp.o test/CMakeFiles/ao-test.dir//kernel/test/jit.cpp.o test/CMakeFiles/ao-test.dir//kernel/test/matrix.cpp.o test/CMakeFiles/ao-tes
t.dir//kernel/test/affine.cpp.o test/CMakeFiles/ao-test.dir//kernel/test/subregion.cpp.o test/CMakeFiles/ao-test.dir/__/kernel/test/avx.cpp.o test/CMakeFiles/ao-test.dir/main.cpp.o test/CMakeFiles/ao-test.dir/api.cpp.o -o test/ao-test -rdynamic bind/libao.so ui/libao-ui.a kernel/libao-kernel.a -lpng -lz -lglfw3 -lepoxy ui/vendor/efsw/libefsw.so -lpthread -Wl,-rpath,/home/brian/git/ao/build/bind:/home/brian/git/ao/build/ui/vendor/efsw && :
bind/libao.so: undefined reference to XConvertSelection' bind/libao.so: undefined reference toXUnsetICFocus'
bind/libao.so: undefined reference to XSetScreenSaver' bind/libao.so: undefined reference toXRRSetCrtcGamma'
bind/libao.so: undefined reference to XRRGetOutputInfo' bind/libao.so: undefined reference toXrmUniqueQuark'
bind/libao.so: undefined reference to XAllocSizeHints' bind/libao.so: undefined reference toXFreeColormap'
bind/libao.so: undefined reference to XcursorImageLoadCursor' bind/libao.so: undefined reference toXRRGetScreenResourcesCurrent'
bind/libao.so: undefined reference to XRRAllocGamma' bind/libao.so: undefined reference toXRRQueryVersion'
bind/libao.so: undefined reference to XSendEvent' bind/libao.so: undefined reference toXGetWindowProperty'
bind/libao.so: undefined reference to XGetIMValues' bind/libao.so: undefined reference toXGetScreenSaver'
bind/libao.so: undefined reference to XSetErrorHandler' bind/libao.so: undefined reference toXutf8SetWMProperties'
bind/libao.so: undefined reference to XQueryExtension' bind/libao.so: undefined reference toXUndefineCursor'
bind/libao.so: undefined reference to XFreeEventData' bind/libao.so: undefined reference toXGrabPointer'
bind/libao.so: undefined reference to XRRFreeOutputInfo' bind/libao.so: undefined reference toXRRFreeScreenResources'
bind/libao.so: undefined reference to XFindContext' bind/libao.so: undefined reference toXPeekEvent'
bind/libao.so: undefined reference to XkbKeycodeToKeysym' bind/libao.so: undefined reference toXSetWMHints'
bind/libao.so: undefined reference to XSetWMNormalHints' bind/libao.so: undefined reference toXFilterEvent'
bind/libao.so: undefined reference to XIconifyWindow' bind/libao.so: undefined reference toXRRGetOutputPrimary'
bind/libao.so: undefined reference to XSetWMProtocols' bind/libao.so: undefined reference toXCreateFontCursor'
bind/libao.so: undefined reference to XRRFreeGamma' bind/libao.so: undefined reference toXSetClassHint'
bind/libao.so: undefined reference to XineramaQueryScreens' bind/libao.so: undefined reference toXCreateColormap'
bind/libao.so: undefined reference to Xutf8LookupString' bind/libao.so: undefined reference toXF86VidModeSetGammaRamp'
bind/libao.so: undefined reference to XInternAtom' bind/libao.so: undefined reference toXSetInputFocus'
bind/libao.so: undefined reference to XRRQueryExtension' bind/libao.so: undefined reference toXAllocWMHints'
bind/libao.so: undefined reference to XF86VidModeGetGammaRampSize' bind/libao.so: undefined reference toXkbFreeClientMap'
bind/libao.so: undefined reference to XInitThreads' bind/libao.so: undefined reference toXMoveWindow'
bind/libao.so: undefined reference to XSaveContext' bind/libao.so: undefined reference toXkbQueryExtension'
bind/libao.so: undefined reference to XChangeProperty' bind/libao.so: undefined reference toXLookupString'
bind/libao.so: undefined reference to XMoveResizeWindow' bind/libao.so: undefined reference toXPending'
bind/libao.so: undefined reference to XineramaIsActive' bind/libao.so: undefined reference toXCreateIC'
bind/libao.so: undefined reference to XkbFreeNames' bind/libao.so: undefined reference toXineramaQueryExtension'
bind/libao.so: undefined reference to XDestroyIC' bind/libao.so: undefined reference toXkbGetMap'
bind/libao.so: undefined reference to XUngrabPointer' bind/libao.so: undefined reference toXRRGetScreenResources'
bind/libao.so: undefined reference to XGetEventData' bind/libao.so: undefined reference toXF86VidModeQueryExtension'
bind/libao.so: undefined reference to XCloseIM' bind/libao.so: undefined reference toXFreeCursor'
bind/libao.so: undefined reference to XSetSelectionOwner' bind/libao.so: undefined reference toXSupportsLocale'
bind/libao.so: undefined reference to XEventsQueued' bind/libao.so: undefined reference toXRRGetCrtcGamma'
bind/libao.so: undefined reference to XMapWindow' bind/libao.so: undefined reference toXQueryPointer'
bind/libao.so: undefined reference to XRaiseWindow' bind/libao.so: undefined reference toXISelectEvents'
bind/libao.so: undefined reference to XRRFreeCrtcInfo' bind/libao.so: undefined reference toXRRUpdateConfiguration'
bind/libao.so: undefined reference to XFree' bind/libao.so: undefined reference toXRRGetCrtcInfo'
bind/libao.so: undefined reference to XSetLocaleModifiers' bind/libao.so: undefined reference toXOpenDisplay'
bind/libao.so: undefined reference to XcursorImageCreate' bind/libao.so: undefined reference toXIQueryVersion'
bind/libao.so: undefined reference to XNextEvent' bind/libao.so: undefined reference toXF86VidModeGetGammaRamp'
bind/libao.so: undefined reference to XGetErrorText' bind/libao.so: undefined reference toXResizeWindow'
bind/libao.so: undefined reference to XUnmapWindow' bind/libao.so: undefined reference toXRRSetCrtcConfig'
bind/libao.so: undefined reference to XWarpPointer' bind/libao.so: undefined reference toXAllocClassHint'
bind/libao.so: undefined reference to XcursorImageDestroy' bind/libao.so: undefined reference toXDeleteContext'
bind/libao.so: undefined reference to XFlush' bind/libao.so: undefined reference toXCreateWindow'
bind/libao.so: undefined reference to XDestroyWindow' bind/libao.so: undefined reference toXChangeWindowAttributes'
bind/libao.so: undefined reference to XTranslateCoordinates' bind/libao.so: undefined reference toXkbGetNames'
bind/libao.so: undefined reference to XDeleteProperty' bind/libao.so: undefined reference toXSetICFocus'
bind/libao.so: undefined reference to XRRSelectInput' bind/libao.so: undefined reference toXOpenIM'
bind/libao.so: undefined reference to XGetInputFocus' bind/libao.so: undefined reference toXCheckTypedEvent'
bind/libao.so: undefined reference to XDefineCursor' bind/libao.so: undefined reference toXGetWindowAttributes'
bind/libao.so: undefined reference to XkbSetDetectableAutoRepeat' bind/libao.so: undefined reference toXGetKeyboardMapping'
bind/libao.so: undefined reference to XRRGetCrtcGammaSize' bind/libao.so: undefined reference toXGetSelectionOwner'
bind/libao.so: undefined reference to XCloseDisplay' bind/libao.so: undefined reference toXSync'
bind/libao.so: undefined reference to XMapRaised' bind/libao.so: undefined reference toXCheckIfEvent'
collect2: error: ld returned 1 exit status
ninja: build stopped: subcommand failed.

ao-guile aborts with error message

On macOS 10.11.6, using homebrew to build ao.
guile version 2.2.2

Sorry to bug you, but I've never dealt with Guile errors before.

$ bin/ao-guile 
;;; note: auto-compilation is enabled, set GUILE_AUTO_COMPILE=0
;;;       or pass the --no-auto-compile argument to disable.
;;; compiling /Users/doug/git/ao/bin/ao-guile
;;; compiling /Users/doug/git/ao/bin/../bind/guile/ao/sys/libao.scm
;;; compiling /Users/doug/git/ao/bin/../bind/guile/ao/sys/util.scm
;;; compiled /Users/doug/.cache/guile/ccache/2.2-LE-8-3.A/Users/doug/git/ao/bind/guile/ao/sys/util.scm.go
;;; compiled /Users/doug/.cache/guile/ccache/2.2-LE-8-3.A/Users/doug/git/ao/bind/guile/ao/sys/libao.scm.go
;;; WARNING: compilation of /Users/doug/git/ao/bin/ao-guile failed:
;;; ERROR: In procedure scm_to_utf8_stringn: Wrong type argument in position 1 (expecting string): #f
Backtrace:
          11 (primitive-load "/Users/doug/git/ao/bin/ao-guile")
In ice-9/eval.scm:
   721:20 10 (primitive-eval (use-modules ((ice-9 readline) # (…))))
In ice-9/psyntax.scm:
  1234:36  9 (expand-top-sequence ((use-modules ((ice-9 #) # (…)))) _ …)
  1181:24  8 (parse _ (("placeholder" placeholder)) ((top) #(# # …)) …)
   284:10  7 (parse _ (("placeholder" placeholder)) (()) _ c&e (eval) …)
In ice-9/boot-9.scm:
  3369:20  6 (process-use-modules _)
   230:17  5 (map1 (((ice-9 readline) #:select (write-history # #))))
  3370:31  4 (_ ((ice-9 readline) #:select (write-history # #)))
  2805:10  3 (resolve-interface (ice-9 readline) #:select _ #:hide _ …)
   268:13  2 (for-each #<procedure 1079ee040 at ice-9/boot-9.scm:28…> …)
  2810:38  1 (_ _)
In unknown file:
           0 (scm-error misc-error #f "~A" ("no binding `history-f…") …)

ERROR: In procedure scm-error:
ERROR: no binding `history-file' in module (ice-9 readline)

Bounds invalidated by reflect operation

Reflect operations invalidate shape bounds

Possibility of assigning normals based on distance function?

Would it be possible for Ao to sample the distance field to generate smoothed normals for the mesh?

When I was messing around with marching tetrahedra, I was able to (in some cases) greatly improve the visual smoothness of the meshes by assigning normals to the vertices based on three axis-aligned samples from the distance function, the way it's usually done in raymarching: http://jamie-wong.com/2016/07/15/ray-marching-signed-distance-functions/#surface-normals-and-lighting

No normal smoothing:

Typical mesh normal-averaging:

Normals generated by sampling the distance function:

Obviously this approach has a lot of compromises and tradeoffs—I'm not sure whether Dual Contouring provides any hint as to whether an edge is meant to be sharp or smooth, for one thing—but it's a drastic enough improvement when it works that I think it's worth considering offering as an option, and it's specific enough to the same distance field that was used to generate the mesh that it's really something that would have to be done by the same program to be done at all, unlike traditional normal averaging. (Users could still manually re-sharpen the sharp edges in another program afterwards though, for example.)

Error while building: multithreading namespace errors in cache.cpp

I’ve noticed that some commits ago ao stopped building correctly, giving me this:
galex-713@PC713:~/src/ao/build$ ninja

[1/67] Building CXX object kernel/CMakeFiles/ao-kernel.dir/src/tree/opcode.cpp.o
../kernel/src/tree/opcode.cpp: In function ‘size_t Opcode::args(Opcode::Opcode)’:
../kernel/src/tree/opcode.cpp:65:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^
../kernel/src/tree/opcode.cpp: In function ‘std::__cxx11::string Opcode::to_str(Opcode::Opcode)’:
../kernel/src/tree/opcode.cpp:103:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^
[2/67] Building CXX object kernel/CMakeFiles/ao-kernel.dir/src/tree/cache.cpp.o
FAILED: kernel/CMakeFiles/ao-kernel.dir/src/tree/cache.cpp.o
/usr/bin/c++ -isystem ../vendor -I../kernel/include -Wall -Wextra -Wno-comment -g -fPIC -pedantic -std=c++11 -Werror=switch -march=native -O3 -DRELEASE -MD -MT kernel/CMakeFiles/ao-kernel.dir/src/tree/cache.cpp.o -MF kernel/CMakeFiles/ao-kernel.dir/src/tree/cache.cpp.o.d -o kernel/CMakeFiles/ao-kernel.dir/src/tree/cache.cpp.o -c ../kernel/src/tree/cache.cpp
In file included from ../kernel/src/tree/cache.cpp:22:0:
../kernel/include/ao/kernel/tree/cache.hpp:177:17: error: ‘mutex’ in namespace ‘std’ does not name a type
static std::mutex instance_lock;
^~~~~
../kernel/src/tree/cache.cpp:29:6: error: ‘mutex’ in namespace ‘std’ does not name a type
std::mutex Cache::instance_lock;
^~~~~
../kernel/src/tree/cache.cpp: In static member function ‘static std::shared_ptr Cache::instance()’:
../kernel/src/tree/cache.cpp:35:5: error: ‘lock_guard’ is not a member of ‘std’
std::lock_guardstd::mutex g(instance_lock);
^~~
../kernel/src/tree/cache.cpp:35:21: error: ‘mutex’ is not a member of ‘std’
std::lock_guardstd::mutex g(instance_lock);
^~~
../kernel/src/tree/cache.cpp:35:35: error: ‘instance_lock’ was not declared in this scope
std::lock_guardstd::mutex g(instance_lock);
^~~~~~~~~~~~~
../kernel/src/tree/cache.cpp:35:48: error: ‘g’ was not declared in this scope
std::lock_guardstd::mutex g(instance_lock);
^
../kernel/src/tree/cache.cpp: In static member function ‘static void Cache::reset()’:
../kernel/src/tree/cache.cpp:47:5: error: ‘lock_guard’ is not a member of ‘std’
std::lock_guardstd::mutex g(instance_lock);
^~~
../kernel/src/tree/cache.cpp:47:21: error: ‘mutex’ is not a member of ‘std’
std::lock_guardstd::mutex g(instance_lock);
^~~
../kernel/src/tree/cache.cpp:47:35: error: ‘instance_lock’ was not declared in this scope
std::lock_guardstd::mutex g(instance_lock);
^~~~~~~~~~~~~
../kernel/src/tree/cache.cpp:47:48: error: ‘g’ was not declared in this scope
std::lock_guardstd::mutex g(instance_lock);
^
[4/67] Building CXX object kernel/CMakeFiles/ao-kernel.dir/src/format/contours.cpp.o
FAILED: kernel/CMakeFiles/ao-kernel.dir/src/format/contours.cpp.o
/usr/bin/c++ -isystem ../vendor -I../kernel/include -Wall -Wextra -Wno-comment -g -fPIC -pedantic -std=c++11 -Werror=switch -march=native -O3 -DRELEASE -MD -MT kernel/CMakeFiles/ao-kernel.dir/src/format/contours.cpp.o -MF kernel/CMakeFiles/ao-kernel.dir/src/format/contours.cpp.o.d -o kernel/CMakeFiles/ao-kernel.dir/src/format/contours.cpp.o -c ../kernel/src/format/contours.cpp
In file included from ../kernel/include/ao/kernel/tree/tree.hpp:27:0,
from ../kernel/include/ao/kernel/eval/evaluator.hpp:30,
from ../kernel/include/ao/kernel/render/xtree.hpp:30,
from ../kernel/include/ao/kernel/render/quadtree.hpp:21,
from ../kernel/include/ao/kernel/format/contours.hpp:24,
from ../kernel/src/format/contours.cpp:22:
../kernel/include/ao/kernel/tree/cache.hpp:177:17: error: ‘mutex’ in namespace ‘std’ does not name a type
static std::mutex instance_lock;
^~~~~
ninja: build stopped: subcommand failed.
galex-713@PC713:~/src/ao/build$

Please notice me if I forgot to give any useful information (I really have the impression to have…)

Graphical Window Resize Broken

Brief Description

When resizing the graphical output window, the area that displays the model stays fixed in the lower left corner. Expectation is that the model display area would expand to fit the bounds of the window. I have only tested it on Ubuntu 16.04.

System Information

OS: ubuntu 16.04 LTS
Processor: AMD A8-6410 APU with AMD Radeon R5 Graphics × 4
Graphics: Gallium 0.4 on AMD MULLINS (DRM 2.43.0, LLVM 3.8.0)
OS type: 64-bit
uname -a: Linux echo-one 4.4.0-47-generic #68-Ubuntu SMP Wed Oct 26 19:39:52 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
gcc: version 5.4.0

Minimal Example To Reproduce Bug

  ;; start ao-guile and evaluate:
  (define (sphere r)
      (lambda ( x y z )
          (- (sqrt (+ (* x x) (* y y) (* z z))) r)))
  (define s (sphere 2))
  (ao-show s)

  ;; Resize graphical output window and model stays in lower left corner.

Can't use lambda-shape arguments in comparison function

I'm extremely new to Scheme, so it's possible this is a silly mistake on my end, but I'm having an issue that works in the general case but not inside of a lambda-shape:

(lambda-shape (x y z) (if (> x 0) x 0) )
gives an error that says

wrong-type-arg: Wrong type: #<<tree> 139e64140>

Stack trace:
0: (lambda-shape (x y z) (if (> x 0) x 0))

even though
(let ((x 1)) (if (> x 0) x 0) )
works fine, so it isn't some kind of syntax thing; it seems like for some operations, the x y z arguments aren't treated like numbers? (even though for functions like + it works fine...)

Y-up

Is there any hope of adding a Y-up option for the display in Studio :) It would mainly just impact the way the mouse orbit controls work; when I rotate the shape so that Y is up, I'm not able to pivot around Y to view the sides without pivoting around X first...

Backspace deletes two characters almost always

I see there's a commit saying that backspace will delete both characters of a pseudo-tab, but I think it's having a lot of false positives: try opening a new document, and typing 123456789, then hitting backspace a few times. At least for me (on macOS), it always deletes to the closest even-numbered character (the first backspace deletes only '9', but the next deletes '78', and so on...)

Bounding box geometry goes haywire if the camera is inside of it

Try either turning up the bounding box values to something large, or using the zoom/scroll gesture to bring the camera inside of it; you'll wind up seeing an 'X' drawn across the background for some reason.

Better auto-indent for text editor

Look at how vim does auto-indenting for Scheme:

It's very clever – it autoindents by one if you're starting a new call, otherwise it matches the previous argument indentation, even behaving correctly around nested calls.

Studio should be clever, like vim.

This would be a great first issue! Right now, auto-indent is handled here, and is quite dumb.

2D shapes are too fun

AO looks awesome. I've been wanting an excuse to learn LISP for years and this is it. After a lot of frustration with OpenSCAD I'm more than excited about AO.

Anyway, I thought I'd start with 2D shapes right?

(rectangle #[0 0] #[10 5])

(circle #[0 0] 5)

I'm not sure... what is happening. I guess this must make sense to the function kernel but it's a bit too "fun" for the average user ;)

boost not found

I can't seem to build Ao on Mac OS High Sierra. I installed boost, eigen and qt using brew.

I run

> cmake -D CMAKE_PREFIX_PATH=/usr/local/Cellar/qt5/5.7.0  ..
-- The C compiler identification is AppleClang 9.0.0.9000037
-- The CXX compiler identification is AppleClang 9.0.0.9000037
-- Check for working C compiler: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/cc
-- Check for working C compiler: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/c++
-- Check for working CXX compiler: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Found ZLIB: /usr/lib/libz.dylib (found version "1.2.11")
-- Found PNG: /usr/local/lib/libpng.dylib (found version "1.5.18")
-- Found Eigen3: /usr/local/include/eigen3 (Required is at least version "2.91.0")
Checking dependencies:
  libao-kernel: ✓
  guile-ao:     ✓
  Studio:       ✓
-- Configuring done
-- Generating done
-- Build files have been written to: /Users/francoponticelli/projects/ao/build

Which seems ok. When I run make, I get:

Scanning dependencies of target ao-kernel
[  1%] Building CXX object ao/src/CMakeFiles/ao-kernel.dir/eval/base.cpp.o
In file included from /Users/francoponticelli/projects/ao/ao/src/eval/base.cpp:21:
In file included from /Users/francoponticelli/projects/ao/ao/src/../include/ao/eval/base.hpp:20:
/Users/francoponticelli/projects/ao/ao/src/../include/ao/eval/tape.hpp:23:10: fatal error: 'boost/bimap.hpp' file not
      found
#include <boost/bimap.hpp>
         ^~~~~~~~~~~~~~~~~
1 error generated.
make[2]: *** [ao/src/CMakeFiles/ao-kernel.dir/eval/base.cpp.o] Error 1
make[1]: *** [ao/src/CMakeFiles/ao-kernel.dir/all] Error 2
make: *** [all] Error 2

Progress meter

I've currently got a pretty complex model (lots of smooth-minimum use) with lots of fiddly details that call for me to render it at a very high resolution (before I decimate it back down to something reasonable elsewhere).

To be specific, once I crank the quality up, I'm staring at that spinning wheel for something like eight hours before it's ready. And, that's fine if that's how long it takes! But, given that mesh generation can take that long, it would be nice if there could be some kind of progress meter instead of just a spinning wheel—even if not a time estimate, just a percentage indication of how far through the bounds it's calculated (and/or how many iterations it's gone through, I'm not sure exactly how dual contouring works to be honest :) ).

(While I'm at it, just as a quality-of-life thing, it might be nice to be able to opt into a confirmation dialog box if you're about to drop something on the keyboard and make the process have to start over because it responded automatically to your changes.... It hasn't happened to me yet, but I live in terror of the day it does ;) )

[space + space + return] crashes GUI

Oops.

Issue when trying to run: `guile: Couldn't find current GLX or EGL context.`

Hi, I tried to exactely follow the procedure to install from source, and I’m under Debian GNU/Linux testing, and when running, it gives me this:

galex-713@PC713:~/src/ao/bin$ guile ao-guile 
;;; note: auto-compilation is enabled, set GUILE_AUTO_COMPILE=0
;;;       or pass the --no-auto-compile argument to disable.
;;; compiling /home/galex-713/src/ao/bin/ao-guile
;;; compiling /home/galex-713/src/ao/bin/../bind/guile/ao/bind.scm
;;; compiled /home/galex-713/.cache/guile/ccache/2.0-LE-4-2.0/home/galex-713/src/ao/bind/guile/ao/bind.scm.go
;;; compiled /home/galex-713/.cache/guile/ccache/2.0-LE-4-2.0/home/galex-713/src/ao/bin/ao-guile.go
;;; compiling /home/galex-713/src/ao/bin/../bind/guile/ao/operators.scm
;;; compiling /home/galex-713/src/ao/bin/../bind/guile/ao/jit.scm
;;; compiled /home/galex-713/.cache/guile/ccache/2.0-LE-4-2.0/home/galex-713/src/ao/bind/guile/ao/jit.scm.go
guile: Couldn't find current GLX or EGL context.

It also seems a certain Ralf Mattes encountered a similar problem as he said on the 21 August on guile-user mailing-list…

Please say if I can provide any more relevant information ^^ your project seems absolutely great since it solves all the very problems I feeled while trying OpenSCAD :D

Multi-line indent?

I don't know if this is an easy thing to add in whatever GUI system you're using, but is there any way there could be some shortcut to add one level of indentation to a multi-line selection?

Difference errors

A simple difference doesn't seem to work. I've tried different values to see if it was edges overlapping or something but I can't get it to work. Union / intersection work fine which is odd as I see difference is built from those.

(difference
	(box #[0 0 0] #[10 10 10])
	(box #[5 5 5] #[11 11 11])
)

Error:

goops-error: No applicable method for #<<generic> min (3)> in call (min #<<tree> 124fe7e80>)

Stack trace:
0: (difference (box (vec3 0 0 0) (vec3 10 10 10)) (box (vec3 5 5 5) (vec3 11 11 11)))

Text sometimes is invisible when first loaded

I'm having a strange issue where there's a small chance that a saved .ao document will have some of its lines invisibly hidden until something triggers a reflow. Some entire lines (seemingly only ones containing only close-parentheses?) will be invisible, but I'll still be able to move the cursor through them with the arrow keys -- I can tell because when the cursor reaches the (invisible) close-parentheses, the corresponding open-parenthesis will highlight like normal.

Typing out a #! comment block will fix any affected text that falls inside the new comment (but if there was already another block further on for example, that block will stop the new block since comment blocks don't nest, and nothing further on will be fixed.)

I've made a video demonstrating the bug (watch the areas that I point to with the cursor, the parenthesis-matching shows up kind of faintly unfortunately), and I've attached the file that the issue occurs with -- although note that it seems to only happen on maybe 25% of loads. (I've had it happen a few times in a row, though; I'm not sure if there's something persisting between launches that causes it to happen or not happen even though I'm not saving the file between attempts...)

Also, even when this happens, it doesn't seem to apply to the entire file; it seems as though it's hitting something that breaks everything after that point. Try skipping down to the ;eyes section featured in the video; that part is usually affected if anything is.

Video:
linebreaks.zip

.ao file:
idol.zip

Crash on startup

About half the time, ao crashes on startup. There are many different kinds of errors that it writes to the terminal when this happens. I ran it 2000 times, and it successfully started 994 times.

Here is a table of outcomes after being run 2000 times:

success: 994
fail: 1006
  bad_alloc: 830
  segfault: 150
  sysmalloc: 14
  fp: 1
  unknown failure reason: 11

Here is a representative sample of each kind of error: (I have silenced the setWindowModified warning in each of them.)

bad_alloc:

terminate called after throwing an instance of 'std::bad_alloc'
  what():  std::bad_alloc

segfault:

./test.sh: line 2: 18187 Segmentation fault      ( ./gui/Studio 2>&1 )

sysmalloc:

Studio: malloc.c:2406: sysmalloc: Assertion `(old_top == initial_top (av) && old_size == 0) || ((unsigned long) (old_size) >= MINSIZE && prev_inuse (old_top) && ((unsigned long) old_end & (pagesize - 1)) == 0)' failed.

fp:

./test.sh: line 2: 20081 Floating point exception( ./gui/Studio 2>&1 )

(test.sh is the script I'm using to run it 2000 times and collect stdout/stderr. The failure rate is pretty similar when Studio is run directly from terminal.)

I assume that all of these errors stem from some single cause, since they all happen on startup. However, I have no idea what that would be.

Text editor doesn't update

If the code in the editor window contains any errors, the text will not update until the viewport is moved. In addition, the entire window will not update if resized until the viewport is moved. If the code is valid, it will update with significant delay, and the blinking cursor is not displayed in any situations. Tumbling the viewport continuously reveals the location of the cursor. I'm on Ubuntu 17.10 using Qt 5.9.2, eigen 3.3.4-3, and Guile 2.2.2. This issue is present with all files, including the tutorial files, empty files, and any files I've written myself.

Crash on weird shape

This works, and renders a cylinder:

(extrude-z
(lambda-shape (x y z)
 (define r (sqrt (+ (expt x 2) (expt y 2))))
 (define theta (atan (/ y x)))
 (- r (+ 2)))
0 1)

This crashes:

(extrude-z
(lambda-shape (x y z)
 (define r (sqrt (+ (expt x 2) (expt y 2))))
 (define theta (atan (/ y x)))
 (- r (+ 2 theta)))
0 1)

It gives this error:

Studio: /home/nick/ao/ao/src/render/brep/mesh.cpp:39: void Kernel::Mesh::load(const std::array<const Kernel::XTree<3u>*, 4ul>&) [with Kernel::Axis::Axis A = (Kernel::Axis::Axis)4u; bool D = false]: Assertion `vi != -1' failed.
Aborted

I can sometimes get this to run and produce a shape, though it isn't solid - which might be because theta isn't defined for x=0. Is there a better way to define an object in polar coordinates?

(Lemme know if the problem is that I'm using ao in an unsupported way.)

Crash on exit

Revision: a7ffb99

Reproduction steps:

1. Open Studio
2. Close Studio by clicking x in upper right corner.

This can trigger one of two errors.

Error message type 1:

QWidget::setWindowModified: The window title does not contain a '[*]' placeholder
Studio: /usr/include/eigen3/Eigen/src/Core/DenseCoeffsBase.h:365: Eigen::DenseCoeffsBase<Derived, 1>::Scalar& Eigen::DenseCoeffsBase<Derived, 1>::operator()(Eigen::Index, Eigen::Index) [with Derived = Eigen::Array<float, -1, 256, 1>; Eigen::DenseCoeffsBase<Derived, 1>::Scalar = float; Eigen::Index = long int]: Assertion `row >= 0 && row < rows() && col >= 0 && col < cols()' failed.
Aborted

Stack trace type 1:

Thread 46 "Thread (pooled)" received signal SIGABRT, Aborted.
[Switching to Thread 0x7fffb77fe700 (LWP 26198)]
__GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
51	../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb) bt
#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
#1  0x00007ffff43643fa in __GI_abort () at abort.c:89
#2  0x00007ffff435be37 in __assert_fail_base (fmt=<optimized out>, 
    assertion=assertion@entry=0x7ffff77b3cc0 "row >= 0 && row < rows() && col >= 0 && col < cols()", 
    file=file@entry=0x7ffff77b3c88 "/usr/include/eigen3/Eigen/src/Core/DenseCoeffsBase.h", line=line@entry=365, 
    function=function@entry=0x7ffff77b50c0 <Eigen::DenseCoeffsBase<Eigen::Array<float, -1, 256, 1, -1, 256>, 1>::operator()(long, long)::__PRETTY_FUNCTION__> "Eigen::DenseCoeffsBase<Derived, 1>::Scalar& Eigen::DenseCoeffsBase<Derived, 1>::operator()(Eigen::Index, Eigen::Index) [with Derived = Eigen::Array<float, -1, 256, 1>; Eigen::DenseCoeffsBase<Derived, "...) at assert.c:92
#3  0x00007ffff435bee2 in __GI___assert_fail (assertion=0x7ffff77b3cc0 "row >= 0 && row < rows() && col >= 0 && col < cols()", 
    file=0x7ffff77b3c88 "/usr/include/eigen3/Eigen/src/Core/DenseCoeffsBase.h", line=365, 
    function=0x7ffff77b50c0 <Eigen::DenseCoeffsBase<Eigen::Array<float, -1, 256, 1, -1, 256>, 1>::operator()(long, long)::__PRETTY_FUNCTION__> "Eigen::DenseCoeffsBase<Derived, 1>::Scalar& Eigen::DenseCoeffsBase<Derived, 1>::operator()(Eigen::Index, Eigen::Index) [with Derived = Eigen::Array<float, -1, 256, 1>; Eigen::DenseCoeffsBase<Derived, "...) at assert.c:101
#4  0x00007ffff75ca3bd in Eigen::DenseCoeffsBase<Eigen::Array<float, -1, 256, 1, -1, 256>, 1>::operator() (this=0x7fffc8015ef8, 
    row=3355523968, col=0) at /usr/include/eigen3/Eigen/src/Core/DenseCoeffsBase.h:364
#5  0x00007ffff75ca0a9 in Kernel::ArrayEvaluator::set (this=0x7fffc8015ee0, p=..., index=0)
    at /home/nick/ao/ao/src/../include/ao/eval/eval_array.hpp:46
#6  0x00007ffff765e8fe in Kernel::XTree<3u>::XTree(Kernel::XTreeEvaluator*, Kernel::Region<3u>, double, double, bool, std::atomic<bool>&)::{lambda(Eigen::Matrix<double, 3, 1, 0, 3, 1> const&, unsigned long)#8}::operator()(Eigen::Matrix<double, 3, 1, 0, 3, 1> const&, unsigned long) const (__closure=0x7fffb77eb6a0, v=..., i=0) at /home/nick/ao/ao/src/render/brep/xtree.cpp:341
#7  0x00007ffff765bf9c in Kernel::XTree<3u>::XTree (this=0x7fff78004360, eval=0x7fffc8015ec0, region=..., min_feature=0.10000000149011612, 
    max_err=1e-08, multithread=false, cancel=...) at /home/nick/ao/ao/src/render/brep/xtree.cpp:387
#8  0x00007ffff765ad14 in Kernel::XTree<3u>::XTree (this=0x7fff780034e0, eval=0x7fffc8015ec0, region=..., min_feature=0.10000000149011612, 
    max_err=1e-08, multithread=false, cancel=...) at /home/nick/ao/ao/src/render/brep/xtree.cpp:167
#9  0x00007ffff765ad14 in Kernel::XTree<3u>::XTree (this=0x7fff78006260, eval=0x7fffc8015ec0, region=..., min_feature=0.10000000149011612, 
    max_err=1e-08, multithread=false, cancel=...) at /home/nick/ao/ao/src/render/brep/xtree.cpp:167
#10 0x00007ffff765ad14 in Kernel::XTree<3u>::XTree (this=0x7fff78002ca0, eval=0x7fffc8015ec0, region=..., min_feature=0.10000000149011612, 
    max_err=1e-08, multithread=false, cancel=...) at /home/nick/ao/ao/src/render/brep/xtree.cpp:167
#11 0x00007ffff765ad14 in Kernel::XTree<3u>::XTree (this=0x7fff78002aa0, eval=0x7fffc8015ec0, region=..., min_feature=0.10000000149011612, 
    max_err=1e-08, multithread=false, cancel=...) at /home/nick/ao/ao/src/render/brep/xtree.cpp:167
#12 0x00007ffff765ad14 in Kernel::XTree<3u>::XTree (this=0x7fff78005b40, eval=0x7fffc8015ec0, region=..., min_feature=0.10000000149011612, 
    max_err=1e-08, multithread=false, cancel=...) at /home/nick/ao/ao/src/render/brep/xtree.cpp:167
#13 0x00007ffff765ad14 in Kernel::XTree<3u>::XTree (this=0x7fff78001a80, eval=0x7fffc8015ec0, region=..., min_feature=0.10000000149011612, 
    max_err=1e-08, multithread=false, cancel=...) at /home/nick/ao/ao/src/render/brep/xtree.cpp:167
#14 0x00007ffff765ad14 in Kernel::XTree<3u>::XTree (this=0x7fff780008e0, eval=0x7fffc8015ec0, region=..., min_feature=0.10000000149011612, 
    max_err=1e-08, multithread=false, cancel=...) at /home/nick/ao/ao/src/render/brep/xtree.cpp:167
#15 0x00007ffff765e654 in Kernel::XTree<3u>::XTree(Kernel::XTreeEvaluator*, Kernel::Region<3u>, double, double, bool, std::atomic<bool>&)::{lambda()#1}::operator()() const (__closure=0x7fffc0003198) at /home/nick/ao/ao/src/render/brep/xtree.cpp:152
#16 0x00007ffff771f3c8 in std::_Bind_simple<Kernel::XTree<3u>::XTree(Kernel::XTreeEvaluator*, Kernel::Region<3u>, double, double, bool, std::atomic<bool>&)::{lambda()#1} ()>::_M_invoke<>(std::_Index_tuple<>) (this=0x7fffc0003198) at /usr/include/c++/6/functional:1391
#17 0x00007ffff77184cd in std::_Bind_simple<Kernel::XTree<3u>::XTree(Kernel::XTreeEvaluator*, Kernel::Region<3u>, double, double, bool, std::atomic<bool>&)::{lambda()#1} ()>::operator()() (this=0x7fffc0003198) at /usr/include/c++/6/functional:1380
#18 0x00007ffff77072db in std::__future_base::_Task_setter<std::unique_ptr<std::__future_base::_Result<Kernel::XTree<3u>*>, std::__future_base::_Result_base::_Deleter>, std::_Bind_simple<Kernel::XTree<3u>::_Bind_simple(Kernel::XTreeEvaluator*, Kernel::Region<3u>, double, double, bool, std::atomic<bool>&)::{lambda()#1} ()>, Kernel::XTree<3u>*>::operator()() const (this=0x7fffb77fddf0)
    at /usr/include/c++/6/future:1325
#19 0x00007ffff76fcdec in std::_Function_handler<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> (), std::__future_base::_Task_setter<std::unique_ptr<std::__future_base::_Result<Kernel::XTree<3u>*>, std::__future_base::_Result_base::_Deleter>, std::_Bind_simple<Kernel::XTree<3u>::_Bind_simple(Kernel::XTreeEvaluator*, Kernel::Region<3u>, double, double, bool, std::atomic<bool>&)::{lambda()#1} ()>, Kernel::XTree<3u>*> >::_M_invoke(std::_Any_data const&) (__functor=...) at /usr/include/c++/6/functional:1717
#20 0x00007ffff7635f3f in std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>::operator()() const (this=0x7fffb77fddf0) at /usr/include/c++/6/functional:2127
#21 0x00007ffff7634b57 in std::__future_base::_State_baseV2::_M_do_set(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*) (this=0x7fffc0003160, __f=0x7fffb77fddf0, __did_set=0x7fffb77fdd77)
    at /usr/include/c++/6/future:533
#22 0x00007ffff763cb3d in std::__invoke_impl<void, void (std::__future_base::_State_baseV2::*)(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*), std::__future_base::_State_baseV2*, std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*>(std::__invoke_memfun_deref, void (std::__future_base::_State_baseV2::*&&)(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*), std::__future_base::_State_baseV2*&&, std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*&&, bool*&&) (__f=<unknown type in /home/nick/ao/build/ao/src/libao-kernel.so, CU 0x581789, DIE 0x65a9f7>, 
    __t=<unknown type in /home/nick/ao/build/ao/src/libao-kernel.so, CU 0x581789, DIE 0x5a45ef>, 
    __args#0=<unknown type in /home/nick/ao/build/ao/src/libao-kernel.so, CU 0x581789, DIE 0x65aa03>, 
    __args#1=<unknown type in /home/nick/ao/build/ao/src/libao-kernel.so, CU 0x581789, DIE 0x65aa0f>) at /usr/include/c++/6/functional:227
#23 0x00007ffff7639600 in std::__invoke<void (std::__future_base::_State_baseV2::*)(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*), std::__future_base::_State_baseV2*, std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*>(void (std::__future_base::_State_baseV2::*&&)(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*), std::__future_base::_State_baseV2*&&, std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*&&, bool*&&) (
    __fn=<unknown type in /home/nick/ao/build/ao/src/libao-kernel.so, CU 0x581789, DIE 0x65a9f7>, 
    __args#0=<unknown type in /home/nick/ao/build/ao/src/libao-kernel.so, CU 0x581789, DIE 0x5a45ef>, 
    __args#1=<unknown type in /home/nick/ao/build/ao/src/libao-kernel.so, CU 0x581789, DIE 0x65aa03>, 
    __args#2=<unknown type in /home/nick/ao/build/ao/src/libao-kernel.so, CU 0x581789, DIE 0x65aa0f>) at /usr/include/c++/6/functional:251
#24 0x00007ffff7635c8e in void std::call_once<void (std::__future_base::_State_baseV2::*)(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*), std::__future_base::_State_baseV2*, std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*>(std::once_flag&, void (std::__future_base::_State_baseV2::*&&)(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*), std::__future_base::_State_baseV2*&&, std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*&&, bool*&&)::{lambda()#1}::operator()() const (__closure=0x7fffb77fdd00) at /usr/include/c++/6/mutex:602
#25 0x00007ffff7635cf9 in void std::call_once<void (std::__future_base::_State_baseV2::*)(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*), std::__future_base::_State_baseV2*, std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*>(std::once_flag&, void (std::__future_base::_State_baseV2::*&&)(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*), std::__future_base::_State_baseV2*&&, std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*&&, bool*&&)::{lambda()#2}::operator()() const (__closure=0x0) at /usr/include/c++/6/mutex:607
#26 0x00007ffff7635d0a in void std::call_once<void (std::__future_base::_State_baseV2::*)(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*), std::__future_base::_State_baseV2*, std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*>(std::once_flag&, void (std::__future_base::_State_baseV2::*&&)(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*), std::__future_base::_State_baseV2*&&, std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*&&, bool*&&)::{lambda()#2}::_FUN() () at /usr/include/c++/6/mutex:607
#27 0x00007ffff657f739 in __pthread_once_slow (once_control=0x7fffc0003178, init_routine=0x7ffff4ca3120 <__once_proxy>)
    at pthread_once.c:116
#28 0x00007ffff762fc24 in __gthread_once (__once=0x7fffc0003178, __func=0x7ffff4ca3120 <__once_proxy>)
    at /usr/include/x86_64-linux-gnu/c++/6/bits/gthr-default.h:699
#29 0x00007ffff7635db4 in std::call_once<void (std::__future_base::_State_baseV2::*)(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*), std::__future_base::_State_baseV2*, std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*>(std::once_flag&, void (std::__future_base::_State_baseV2::*&&)(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*), std::__future_base::_State_baseV2*&&, std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*&&, bool*&&) (__once=..., __f=<unknown type in /home/nick/ao/build/ao/src/libao-kernel.so, CU 0x581789, DIE 0x65a9f7>, 
    __args#0=<unknown type in /home/nick/ao/build/ao/src/libao-kernel.so, CU 0x581789, DIE 0x5a45ef>, 
    __args#1=<unknown type in /home/nick/ao/build/ao/src/libao-kernel.so, CU 0x581789, DIE 0x65aa03>, 
    __args#2=<unknown type in /home/nick/ao/build/ao/src/libao-kernel.so, CU 0x581789, DIE 0x65aa0f>) at /usr/include/c++/6/mutex:614
#30 0x00007ffff7634925 in std::__future_base::_State_baseV2::_M_set_result(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>, bool) (this=0x7fffc0003160, __res=..., __ignore_failure=false)
    at /usr/include/c++/6/future:393
#31 0x00007ffff76e8861 in std::__future_base::_Async_state_impl<std::_Bind_simple<Kernel::XTree<3u>::XTree(Kernel::XTreeEvaluator*, Kernel::Region<3u>, double, double, bool, std::atomic<bool>&)::{lambda()#1} ()>, Kernel::XTree<3u>*>::_Async_state_impl(Kernel::XTree<3u>::XTree(Kernel::XTreeEvaluator*, Kernel::Region<3u>, double, double, bool, std::atomic<bool>&)::{lambda()#1} (&&)())::{lambda()#1}::operator()() const
    (__closure=0x7fffc00031d8) at /usr/include/c++/6/future:1664
#32 0x00007ffff7768992 in std::_Bind_simple<std::__future_base::_Async_state_impl<std::_Bind_simple<Kernel::XTree<3u>::XTree(Kernel::XTreeEvaluator*, Kernel::Region<3u>, double, double, bool, std::atomic<bool>&)::{lambda()#1} ()>, Kernel::XTree<3u>*>::_Async_state_impl(Kernel::XTree<3u>::XTree(Kernel::XTreeEvaluator*, Kernel::Region<3u>, double, double, bool, std::atomic<bool>&)::{lambda()#1} (&&)())::{lambda()#1} ()>::_M_invoke<>(std::_Index_tuple<>) (this=0x7fffc00031d8) at /usr/include/c++/6/functional:1391
#33 0x00007ffff776880b in std::_Bind_simple<std::__future_base::_Async_state_impl<std::_Bind_simple<Kernel::XTree<3u>::XTree(Kernel::XTreeEvaluator*, Kernel::Region<3u>, double, double, bool, std::atomic<bool>&)::{lambda()#1} ()>, Kernel::XTree<3u>*>::_Async_state_impl(Kernel::XTree<3u>::XTree(Kernel::XTreeEvaluator*, Kernel::Region<3u>, double, double, bool, std::atomic<bool>&)::{lambda()#1} (&&)())::{lambda()#1} ()>::operator()() (this=0x7fffc00031d8) at /usr/include/c++/6/functional:1380
#34 0x00007ffff7767f1e in std::thread::_State_impl<std::_Bind_simple<std::__future_base::_Async_state_impl<std::_Bind_simple<Kernel::XTree<3u>::XTree(Kernel::XTreeEvaluator*, Kernel::Region<3u>, double, double, bool, std::atomic<bool>&)::{lambda()#1} ()>, Kernel::XTree<3u>*>::_Async_state_impl(Kernel::XTree<3u>::XTree(Kernel::XTreeEvaluator*, Kernel::Region<3u>, double, double, bool, std::atomic<bool>&)::{lambda()#1} (&&)())::{lambda()#1} ()> >::_M_run() (this=0x7fffc00031d0) at /usr/include/c++/6/thread:197
#35 0x00007ffff4ca3e6f in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#36 0x00007ffff6578494 in start_thread (arg=0x7fffb77fe700) at pthread_create.c:333
#37 0x00007ffff4418aff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Error message type 2:

Studio: /home/nick/ao/ao/src/eval/eval_array.cpp:238: void Kernel::ArrayEvaluator::operator()(Kernel::Opcode::Opcode, Kernel::Clause::Id, Kernel::Clause::Id, Kernel::Clause::Id): Assertion `false' failed.

Stack trace type 2:

Thread 36 "Thread (pooled)" received signal SIGABRT, Aborted.
[Switching to Thread 0x7fffb37fe700 (LWP 27126)]
__GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
51	../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb) bt
#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
#1  0x00007ffff43643fa in __GI_abort () at abort.c:89
#2  0x00007ffff435be37 in __assert_fail_base (fmt=<optimized out>, assertion=assertion@entry=0x7ffff77b3c01 "false", 
    file=file@entry=0x7ffff77b3bd8 "/home/nick/ao/ao/src/eval/eval_array.cpp", line=line@entry=238, 
    function=function@entry=0x7ffff77b5ac0 <Kernel::ArrayEvaluator::operator()(Kernel::Opcode::Opcode, unsigned int, unsigned int, unsigned int)::__PRETTY_FUNCTION__> "void Kernel::ArrayEvaluator::operator()(Kernel::Opcode::Opcode, Kernel::Clause::Id, Kernel::Clause::Id, Kernel::Clause::Id)") at assert.c:92
#3  0x00007ffff435bee2 in __GI___assert_fail (assertion=0x7ffff77b3c01 "false", 
    file=0x7ffff77b3bd8 "/home/nick/ao/ao/src/eval/eval_array.cpp", line=238, 
    function=0x7ffff77b5ac0 <Kernel::ArrayEvaluator::operator()(Kernel::Opcode::Opcode, unsigned int, unsigned int, unsigned int)::__PRETTY_FUNCTION__> "void Kernel::ArrayEvaluator::operator()(Kernel::Opcode::Opcode, Kernel::Clause::Id, Kernel::Clause::Id, Kernel::Clause::Id)")
    at assert.c:101
#4  0x00007ffff75c861d in Kernel::ArrayEvaluator::operator() (this=0x7fffc80967a0, op=Kernel::Opcode::INVALID, id=0, a=2, b=11)
    at /home/nick/ao/ao/src/eval/eval_array.cpp:238
#5  0x00007ffff75ca75b in Kernel::Tape::rwalk<Kernel::ArrayEvaluator> (this=0x7fffc80a8bc0, t=...)
    at /home/nick/ao/ao/src/../include/ao/eval/tape.hpp:125
#6  0x00007ffff75c66e6 in Kernel::ArrayEvaluator::values (this=0x7fffc80967a0, _count=48) at /home/nick/ao/ao/src/eval/eval_array.cpp:94
#7  0x00007ffff765bfd3 in Kernel::XTree<3u>::XTree (this=0x7fff9400b420, eval=0x7fffc8096780, region=..., min_feature=0.20000000298023224, 
    max_err=1e-08, multithread=false, cancel=...) at /home/nick/ao/ao/src/render/brep/xtree.cpp:394
#8  0x00007ffff765ad14 in Kernel::XTree<3u>::XTree (this=0x7fff9400a9c0, eval=0x7fffc8096780, region=..., min_feature=0.20000000298023224, 
    max_err=1e-08, multithread=false, cancel=...) at /home/nick/ao/ao/src/render/brep/xtree.cpp:167
#9  0x00007ffff765ad14 in Kernel::XTree<3u>::XTree (this=0x7fff94002bc0, eval=0x7fffc8096780, region=..., min_feature=0.20000000298023224, 
    max_err=1e-08, multithread=false, cancel=...) at /home/nick/ao/ao/src/render/brep/xtree.cpp:167
#10 0x00007ffff765ad14 in Kernel::XTree<3u>::XTree (this=0x7fff940029c0, eval=0x7fffc8096780, region=..., min_feature=0.20000000298023224, 
    max_err=1e-08, multithread=false, cancel=...) at /home/nick/ao/ao/src/render/brep/xtree.cpp:167
#11 0x00007ffff765ad14 in Kernel::XTree<3u>::XTree (this=0x7fff94001320, eval=0x7fffc8096780, region=..., min_feature=0.20000000298023224, 
    max_err=1e-08, multithread=false, cancel=...) at /home/nick/ao/ao/src/render/brep/xtree.cpp:167
#12 0x00007ffff765ad14 in Kernel::XTree<3u>::XTree (this=0x7fff94001e60, eval=0x7fffc8096780, region=..., min_feature=0.20000000298023224, 
    max_err=1e-08, multithread=false, cancel=...) at /home/nick/ao/ao/src/render/brep/xtree.cpp:167
#13 0x00007ffff765ad14 in Kernel::XTree<3u>::XTree (this=0x7fff940030e0, eval=0x7fffc8096780, region=..., min_feature=0.20000000298023224, 
    max_err=1e-08, multithread=false, cancel=...) at /home/nick/ao/ao/src/render/brep/xtree.cpp:167
#14 0x00007ffff765e654 in Kernel::XTree<3u>::XTree(Kernel::XTreeEvaluator*, Kernel::Region<3u>, double, double, bool, std::atomic<bool>&)::{lambda()#1}::operator()() const (__closure=0x7fffb8002888) at /home/nick/ao/ao/src/render/brep/xtree.cpp:152
#15 0x00007ffff771f3c8 in std::_Bind_simple<Kernel::XTree<3u>::XTree(Kernel::XTreeEvaluator*, Kernel::Region<3u>, double, double, bool, std::atomic<bool>&)::{lambda()#1} ()>::_M_invoke<>(std::_Index_tuple<>) (this=0x7fffb8002888) at /usr/include/c++/6/functional:1391
#16 0x00007ffff77184cd in std::_Bind_simple<Kernel::XTree<3u>::XTree(Kernel::XTreeEvaluator*, Kernel::Region<3u>, double, double, bool, std::atomic<bool>&)::{lambda()#1} ()>::operator()() (this=0x7fffb8002888) at /usr/include/c++/6/functional:1380
#17 0x00007ffff77072db in std::__future_base::_Task_setter<std::unique_ptr<std::__future_base::_Result<Kernel::XTree<3u>*>, std::__future_base::_Result_base::_Deleter>, std::_Bind_simple<Kernel::XTree<3u>::_Bind_simple(Kernel::XTreeEvaluator*, Kernel::Region<3u>, double, double, bool, std::atomic<bool>&)::{lambda()#1} ()>, Kernel::XTree<3u>*>::operator()() const (this=0x7fffb37fddf0)
    at /usr/include/c++/6/future:1325
#18 0x00007ffff76fcdec in std::_Function_handler<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> (), std::__future_base::_Task_setter<std::unique_ptr<std::__future_base::_Result<Kernel::XTree<3u>*>, std::__future_base::_Result_base::_Deleter>, std::_Bind_simple<Kernel::XTree<3u>::_Bind_simple(Kernel::XTreeEvaluator*, Kernel::Region<3u>, double, double, bool, std::atomic<bool>&)::{lambda()#1} ()>, Kernel::XTree<3u>*> >::_M_invoke(std::_Any_data const&) (__functor=...) at /usr/include/c++/6/functional:1717
#19 0x00007ffff7635f3f in std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>::operator()() const (this=0x7fffb37fddf0) at /usr/include/c++/6/functional:2127
#20 0x00007ffff7634b57 in std::__future_base::_State_baseV2::_M_do_set(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*) (this=0x7fffb8002850, __f=0x7fffb37fddf0, __did_set=0x7fffb37fdd77)
    at /usr/include/c++/6/future:533
#21 0x00007ffff763cb3d in std::__invoke_impl<void, void (std::__future_base::_State_baseV2::*)(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*), std::__future_base::_State_baseV2*, std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*>(std::__invoke_memfun_deref, void (std::__future_base::_State_baseV2::*&&)(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*), std::__future_base::_State_baseV2*&&, std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*&&, bool*&&) (__f=<unknown type in /home/nick/ao/build/ao/src/libao-kernel.so, CU 0x581789, DIE 0x65a9f7>, 
    __t=<unknown type in /home/nick/ao/build/ao/src/libao-kernel.so, CU 0x581789, DIE 0x5a45ef>, 
    __args#0=<unknown type in /home/nick/ao/build/ao/src/libao-kernel.so, CU 0x581789, DIE 0x65aa03>, 
    __args#1=<unknown type in /home/nick/ao/build/ao/src/libao-kernel.so, CU 0x581789, DIE 0x65aa0f>) at /usr/include/c++/6/functional:227
#22 0x00007ffff7639600 in std::__invoke<void (std::__future_base::_State_baseV2::*)(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*), std::__future_base::_State_baseV2*, std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*>(void (std::__future_base::_State_baseV2::*&&)(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*), std::__future_base::_State_baseV2*&&, std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*&&, bool*&&) (
    __fn=<unknown type in /home/nick/ao/build/ao/src/libao-kernel.so, CU 0x581789, DIE 0x65a9f7>, 
    __args#0=<unknown type in /home/nick/ao/build/ao/src/libao-kernel.so, CU 0x581789, DIE 0x5a45ef>, 
    __args#1=<unknown type in /home/nick/ao/build/ao/src/libao-kernel.so, CU 0x581789, DIE 0x65aa03>, 
    __args#2=<unknown type in /home/nick/ao/build/ao/src/libao-kernel.so, CU 0x581789, DIE 0x65aa0f>) at /usr/include/c++/6/functional:251
#23 0x00007ffff7635c8e in void std::call_once<void (std::__future_base::_State_baseV2::*)(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*), std::__future_base::_State_baseV2*, std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*>(std::once_flag&, void (std::__future_base::_State_baseV2::*&&)(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*), std::__future_base::_State_baseV2*&&, std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*&&, bool*&&)::{lambda()#1}::operator()() const (__closure=0x7fffb37fdd00) at /usr/include/c++/6/mutex:602
#24 0x00007ffff7635cf9 in void std::call_once<void (std::__future_base::_State_baseV2::*)(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*), std::__future_base::_State_baseV2*, std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*>(std::once_flag&, void (std::__future_base::_State_baseV2::*&&)(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*), std::__future_base::_State_baseV2*&&, std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*&&, bool*&&)::{lambda()#2}::operator()() const (__closure=0x0) at /usr/include/c++/6/mutex:607
#25 0x00007ffff7635d0a in void std::call_once<void (std::__future_base::_State_baseV2::*)(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*), std::__future_base::_State_baseV2*, std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*>(std::once_flag&, void (std::__future_base::_State_baseV2::*&&)(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*), std::__future_base::_State_baseV2*&&, std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*&&, bool*&&)::{lambda()#2}::_FUN() () at /usr/include/c++/6/mutex:607
#26 0x00007ffff657f739 in __pthread_once_slow (once_control=0x7fffb8002868, init_routine=0x7ffff4ca3120 <__once_proxy>)
    at pthread_once.c:116
#27 0x00007ffff762fc24 in __gthread_once (__once=0x7fffb8002868, __func=0x7ffff4ca3120 <__once_proxy>)
    at /usr/include/x86_64-linux-gnu/c++/6/bits/gthr-default.h:699
#28 0x00007ffff7635db4 in std::call_once<void (std::__future_base::_State_baseV2::*)(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*), std::__future_base::_State_baseV2*, std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*>(std::once_flag&, void (std::__future_base::_State_baseV2::*&&)(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*), std::__future_base::_State_baseV2*&&, std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*&&, bool*&&) (__once=..., __f=<unknown type in /home/nick/ao/build/ao/src/libao-kernel.so, CU 0x581789, DIE 0x65a9f7>, 
    __args#0=<unknown type in /home/nick/ao/build/ao/src/libao-kernel.so, CU 0x581789, DIE 0x5a45ef>, 
    __args#1=<unknown type in /home/nick/ao/build/ao/src/libao-kernel.so, CU 0x581789, DIE 0x65aa03>, 
    __args#2=<unknown type in /home/nick/ao/build/ao/src/libao-kernel.so, CU 0x581789, DIE 0x65aa0f>) at /usr/include/c++/6/mutex:614
#29 0x00007ffff7634925 in std::__future_base::_State_baseV2::_M_set_result(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>, bool) (this=0x7fffb8002850, __res=..., __ignore_failure=false)
    at /usr/include/c++/6/future:393
#30 0x00007ffff76e8861 in std::__future_base::_Async_state_impl<std::_Bind_simple<Kernel::XTree<3u>::XTree(Kernel::XTreeEvaluator*, Kernel::Region<3u>, double, double, bool, std::atomic<bool>&)::{lambda()#1} ()>, Kernel::XTree<3u>*>::_Async_state_impl(Kernel::XTree<3u>::XTree(Kernel::XTreeEvaluator*, Kernel::Region<3u>, double, double, bool, std::atomic<bool>&)::{lambda()#1} (&&)())::{lambda()#1}::operator()() const
    (__closure=0x7fffb80028c8) at /usr/include/c++/6/future:1664
#31 0x00007ffff7768992 in std::_Bind_simple<std::__future_base::_Async_state_impl<std::_Bind_simple<Kernel::XTree<3u>::XTree(Kernel::XTreeEvaluator*, Kernel::Region<3u>, double, double, bool, std::atomic<bool>&)::{lambda()#1} ()>, Kernel::XTree<3u>*>::_Async_state_impl(Kernel::XTree<3u>::XTree(Kernel::XTreeEvaluator*, Kernel::Region<3u>, double, double, bool, std::atomic<bool>&)::{lambda()#1} (&&)())::{lambda()#1} ()>::_M_invoke<>(std::_Index_tuple<>) (this=0x7fffb80028c8) at /usr/include/c++/6/functional:1391
#32 0x00007ffff776880b in std::_Bind_simple<std::__future_base::_Async_state_impl<std::_Bind_simple<Kernel::XTree<3u>::XTree(Kernel::XTreeEvaluator*, Kernel::Region<3u>, double, double, bool, std::atomic<bool>&)::{lambda()#1} ()>, Kernel::XTree<3u>*>::_Async_state_impl(Kernel::XTree<3u>::XTree(Kernel::XTreeEvaluator*, Kernel::Region<3u>, double, double, bool, std::atomic<bool>&)::{lambda()#1} (&&)())::{lambda()#1} ()>::operator()() (this=0x7fffb80028c8) at /usr/include/c++/6/functional:1380
#33 0x00007ffff7767f1e in std::thread::_State_impl<std::_Bind_simple<std::__future_base::_Async_state_impl<std::_Bind_simple<Kernel::XTree<3u>::XTree(Kernel::XTreeEvaluator*, Kernel::Region<3u>, double, double, bool, std::atomic<bool>&)::{lambda()#1} ()>, Kernel::XTree<3u>*>::_Async_state_impl(Kernel::XTree<3u>::XTree(Kernel::XTreeEvaluator*, Kernel::Region<3u>, double, double, bool, std::atomic<bool>&)::{lambda()#1} (&&)())::{lambda()#1} ()> >::_M_run() (this=0x7fffb80028c0) at /usr/include/c++/6/thread:197
#34 0x00007ffff4ca3e6f in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#35 0x00007ffff6578494 in start_thread (arg=0x7fffb37fe700) at pthread_create.c:333
#36 0x00007ffff4418aff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

xtree cancel takes longer than 50 ms

The testcase "XTree<3> cancellation" consistently fails on my system.

Reproduction

Run ./ao/test/ao-test "XTree<3> cancellation"

Output:

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ao-test is a Catch v1.1 b3 host application.
Run with -? for options

-------------------------------------------------------------------------------
XTree<3> cancellation
-------------------------------------------------------------------------------
/home/nick/ao/ao/test/xtree.cpp:212
...............................................................................

/home/nick/ao/ao/test/xtree.cpp:237: FAILED:
  REQUIRE( elapsed_ms.count() < 50 )
with expansion:
  79 < 50

===============================================================================
test cases: 1 | 1 failed
assertions: 1 | 1 failed

(The number of milliseconds it takes varies from 55 to 80.)

Removing cancel

If cancel.store(true); is commented out, the computation takes 433816 milliseconds.

End user visible impact

None known.

Crash when zooming, panning, and changing detail

Steps to reproduce: (tentative)

1. Open tutorial.ao
2. Zoom around some
3. Change the detail setting (the last argument on the render line)
4. Pan the screen

This does not happen every time, and I'm trying to nail down the reproduction steps more definitely.

Crash log:

$ ./gui/Studio
QWidget::setWindowModified: The window title does not contain a '[*]' placeholder
ASSERT failure in QVector<T>::at: "index out of range", file /usr/include/x86_64-linux-gnu/qt5/QtCore/qvector.h, line 429
Aborted

I have not been able to reproduce this under a debugger.

Crashes when changing view properties with certain data

I'm not sure if I should list these two crashes as two separate issues, but they have similar triggers and use the same data, so I'll just list them together here for now.

I'm working on a model, and I've wound up in a position where if I make certain changes to the bounding box, or if I turn the resolution up past a certain amount, Ao crashes (either instantly, or after several seconds).

I'm on macOS 10.12.6, and I'm using the latest files on github as of this posting (the Oct 16 commits).

I've stripped down my file to as small as it can get while still triggering the bug. I've attached it here (zipped so github will accept it): idol_CRASHDEMO.zip

CRASH 1: Open the view options menu, and change the bounds for the X dimension to -1.5 and 1.5
In a previous build, it would crash as soon as the first number was changed; after updating to the latest build it seems like it only crashes as soon as you try to change the second number.

CRASH 2: Open the view options menu, and change the resolution to anything above 64, then wait a few seconds.

I'm pretty sure some of my operations aren't exactly distance-preserving, but it's always seemed to work out fine until now; could the crash be caused by the 'impossible' distance fields becoming a problem when the resolution gets precise enough?