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Fast, parallelized implementation of Principal Component Analysis with constant memory consumption for large data sets.

Home Page: http://moldyn.github.io/FastPCA

License: Other

CMake 0.86% C++ 43.92% C 55.22%

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fastpca's Issues

Unable to install fastpca through conda

Hi, I am trying to install fastpca using conda with the command given in README (conda install -c conda-forge fastpca) but keep getting the PackagesNotFoundError.

Issue compiling FastPCA with gcc > 7

Hi,

I am trying to compile FastPCA and am running into the following error:

  9%] Building CXX object src/CMakeFiles/covariance.dir/covariance.cpp.o
/home/mamta/Software/FastPCA-master/src/covariance.cpp: In function ‘FastPCA::{anonymous}::_CovAccumulation FastPCA::{anonymous}::_accumulate_covariance(const FastPCA::Matrix<double>&)’:
/home/mamta/Software/FastPCA-master/src/covariance.cpp:80:11: error: ‘nr’ not specified in enclosing ‘parallel’
   80 |           for (t = 0; t < nr; ++t) {
      |           ^~~
/home/mamta/Software/FastPCA-master/src/covariance.cpp:75:19: error: enclosing ‘parallel’
   75 |           #pragma omp parallel for default(none)\
      |                   ^~~
make[2]: *** [src/CMakeFiles/covariance.dir/build.make:63: src/CMakeFiles/covariance.dir/covariance.cpp.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:144: src/CMakeFiles/covariance.dir/all] Error 2
make: *** [Makefile:130: all] Error 2

I am using:

  • Ubuntu 20.04
  • cmake version 3.16
  • g++ 9.3.0
  • libboost 1.71
  • LAPACK 3.9.0
  • OpenMP 1:10-50~exp1

I followed the install steps in the README and everything worked except for the final make command.

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