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libdspl-2.0 is opensource cross-platform digital signal processing algorithm library, written in C language.

License: GNU Lesser General Public License v3.0

Makefile 3.34% C 78.12% Shell 0.04% CSS 3.81% Fortran 12.20% HTML 1.12% MATLAB 0.42% Python 0.04% NASL 0.84% BitBake 0.07%
signal dsp filter fft digital-filters digital-spectral-analysis hilbert-transform-algorithms math-functions iir-filters elliptic-functions

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libdspl-2.0's Issues

Unable to build for Mac OS X

macOS Mojave 10.14
uname -s: Darwin

Getting the following errors

clang: error: no such file or directory: 'dspl/obj/array.o'
clang: error: no such file or directory: 'dspl/obj/cheby.o'
clang: error: no such file or directory: 'dspl/obj/complex.o'
clang: error: no such file or directory: 'dspl/obj/conv.o'
clang: error: no such file or directory: 'dspl/obj/dft.o'
clang: error: no such file or directory: 'dspl/obj/ellipj.o'
clang: error: no such file or directory: 'dspl/obj/fft.o'
clang: error: no such file or directory: 'dspl/obj/fillarray.o'
clang: error: no such file or directory: 'dspl/obj/filter_an.o'
clang: error: no such file or directory: 'dspl/obj/filter_ap.o'
clang: error: no such file or directory: 'dspl/obj/filter_ft.o'
clang: error: no such file or directory: 'dspl/obj/fourier_series.o'
clang: error: no such file or directory: 'dspl/obj/goertzel.o'
clang: error: no such file or directory: 'dspl/obj/inout.o'
clang: error: no such file or directory: 'dspl/obj/math.o'
clang: error: no such file or directory: 'dspl/obj/matrix.o'
clang: error: no such file or directory: 'dspl/obj/polyval.o'
clang: error: no such file or directory: 'dspl/obj/randgen.o'
clang: error: no such file or directory: 'dspl/obj/resampling.o'
clang: error: no such file or directory: 'dspl/obj/signals.o'
clang: error: no such file or directory: 'dspl/obj/trapint.o'
make[1]: *** [release/lib/] Error 1
make: *** [all] Error 2

long double in arguments and return value

Great job done, first of all!

I would like to suggest an improvement. If k is close to 1.0, elliptic functions become difficult to calculate. It seems that K(k) is limited to ~70 in practice. Having 128bit floating point values will allow far greater values of K(k).

Build error: `fft_cmplx.c:192:12: error: call to undeclared function 'fft_krn'; ISO C99 and later do not support implicit function declarations`

  /opt/local/var/macports/build/_Users_runner_work_macports-ports_macports-ports_ports_science_dspl/dspl/work/compwrap/cc/usr/bin/clang -c -fPIC -Wall -O3 -I../include -Isrc -DBUILD_LIB -DLINUX_OS  src/dft/fft_free.c -o obj/fft_free.o -lm 
  clang: warning: -lm: 'linker' input unused [-Wunused-command-line-argument]
  clang: warning: -lm: 'linker' input unused [-Wunused-command-line-argument]
  src/dft/fft_cmplx.c:192:12: error: call to undeclared function 'fft_krn'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
      return fft_krn(pfft->t1, y, pfft, n, 0);
             ^
  1 error generated.
  make[1]: *** [obj/fft_cmplx.o] Error 1
  make[1]: *** Waiting for unfinished jobs....

Is there some header missing?

gcc-13 still builds it, spitting out a warning; clang just fails.

Linking to included liblapack fails on macOS: Undefined symbols: "_lsame_"

Linking to included lapack fails on macOS:

make[1]: Entering directory `/opt/local/var/macports/build/_opt_PPCRosettaPorts_math_dspl/dspl/work/Dsplib-libdspl-2.0-945a7fd/dspl'
/opt/local/var/macports/build/_opt_PPCRosettaPorts_math_dspl/dspl/work/compwrap/cc/opt/local/bin/gcc-mp-12 -shared -o ../_release/libdspl.so  obj/array.o obj/convolution.o obj/dft.o obj/filter_design.o obj/gnuplot.o obj/inout.o obj/math.o obj/math_ellipj.o obj/math_poly.o obj/matrix.o obj/mt19937.o obj/psd.o obj/randgen.o obj/resampling.o obj/signals.o obj/statistic.o obj/trapint.o obj/types.o obj/unwrap.o obj/verification.o obj/win.o obj/xcorr.o -lm  -Llapack/bin -llapack_complex -llapack_double -Lblas/bin -lblas -lgfortran
Undefined symbols:
  "_lsame_", referenced from:
      _zgees_ in liblapack_complex.a(zgees.o)
      _zgees_ in liblapack_complex.a(zgees.o)
      _zgees_ in liblapack_complex.a(zgees.o)
      _zgees_ in liblapack_complex.a(zgees.o)
      _dgesdd_ in liblapack_double.a(dgesdd.o)
      _dgesdd_ in liblapack_double.a(dgesdd.o)
      _dgesdd_ in liblapack_double.a(dgesdd.o)
      _dgesdd_ in liblapack_double.a(dgesdd.o)
      _dgesdd_ in liblapack_double.a(dgesdd.o)
      _dgesdd_ in liblapack_double.a(dgesdd.o)
      _zlacpy_ in liblapack_complex.a(zlacpy.o)
      _zlacpy_ in liblapack_complex.a(zlacpy.o)
      _dlange_ in liblapack_double.a(dlange.o)
      _dlange_ in liblapack_double.a(dlange.o)
      _dlange_ in liblapack_double.a(dlange.o)
      _dlange_ in liblapack_double.a(dlange.o)
      _dlange_ in liblapack_double.a(dlange.o)
      _dorgbr_ in liblapack_double.a(dorgbr.o)
      _dorgbr_ in liblapack_double.a(dorgbr.o)
      _zlascl_ in liblapack_complex.a(zlascl.o)
      _zlascl_ in liblapack_complex.a(zlascl.o)
      _zlascl_ in liblapack_complex.a(zlascl.o)
      _zlascl_ in liblapack_complex.a(zlascl.o)
      _zlascl_ in liblapack_complex.a(zlascl.o)
      _zlascl_ in liblapack_complex.a(zlascl.o)
      _zlascl_ in liblapack_complex.a(zlascl.o)
      _dlacpy_ in liblapack_double.a(dlacpy.o)
      _dlacpy_ in liblapack_double.a(dlacpy.o)
      _zhseqr_ in liblapack_complex.a(zhseqr.o)
      _zhseqr_ in liblapack_complex.a(zhseqr.o)
      _zhseqr_ in liblapack_complex.a(zhseqr.o)
      _zhseqr_ in liblapack_complex.a(zhseqr.o)
      _zhseqr_ in liblapack_complex.a(zhseqr.o)
      _dlascl_ in liblapack_double.a(dlascl.o)
      _dlascl_ in liblapack_double.a(dlascl.o)
      _dlascl_ in liblapack_double.a(dlascl.o)
      _dlascl_ in liblapack_double.a(dlascl.o)
      _dlascl_ in liblapack_double.a(dlascl.o)
      _dlascl_ in liblapack_double.a(dlascl.o)
      _dlascl_ in liblapack_double.a(dlascl.o)
      _dlamch_ in liblapack_complex.a(dlamch.o)
      _dlamch_ in liblapack_complex.a(dlamch.o)
      _dlamch_ in liblapack_complex.a(dlamch.o)
      _dlamch_ in liblapack_complex.a(dlamch.o)
      _dlamch_ in liblapack_complex.a(dlamch.o)
      _dlamch_ in liblapack_complex.a(dlamch.o)
      _dlamch_ in liblapack_complex.a(dlamch.o)
      _dlamch_ in liblapack_complex.a(dlamch.o)
      _dlamch_ in liblapack_complex.a(dlamch.o)
      _dlamch_ in liblapack_complex.a(dlamch.o)
      _dlaset_ in liblapack_double.a(dlaset.o)
      _dlaset_ in liblapack_double.a(dlaset.o)
      _zlange_ in liblapack_complex.a(zlange.o)
      _zlange_ in liblapack_complex.a(zlange.o)
      _zlange_ in liblapack_complex.a(zlange.o)
      _zlange_ in liblapack_complex.a(zlange.o)
      _zlange_ in liblapack_complex.a(zlange.o)
      _zgebak_ in liblapack_complex.a(zgebak.o)
      _zgebak_ in liblapack_complex.a(zgebak.o)
      _zgebak_ in liblapack_complex.a(zgebak.o)
      _zgebak_ in liblapack_complex.a(zgebak.o)
      _zgebak_ in liblapack_complex.a(zgebak.o)
      _zgebak_ in liblapack_complex.a(zgebak.o)
      _zgebak_ in liblapack_complex.a(zgebak.o)
      _zgebak_ in liblapack_complex.a(zgebak.o)
      _zgebak_ in liblapack_complex.a(zgebak.o)
      _zgebak_ in liblapack_complex.a(zgebak.o)
      _zgebak_ in liblapack_complex.a(zgebak.o)
      _zgebak_ in liblapack_complex.a(zgebak.o)
      _zgebal_ in liblapack_complex.a(zgebal.o)
      _zgebal_ in liblapack_complex.a(zgebal.o)
      _zgebal_ in liblapack_complex.a(zgebal.o)
      _zgebal_ in liblapack_complex.a(zgebal.o)
      _zgebal_ in liblapack_complex.a(zgebal.o)
      _zgebal_ in liblapack_complex.a(zgebal.o)
      _zgebal_ in liblapack_complex.a(zgebal.o)
      _ztrsen_ in liblapack_complex.a(ztrsen.o)
      _ztrsen_ in liblapack_complex.a(ztrsen.o)
      _ztrsen_ in liblapack_complex.a(ztrsen.o)
      _ztrsen_ in liblapack_complex.a(ztrsen.o)
      _ztrsen_ in liblapack_complex.a(ztrsen.o)
      _ztrsen_ in liblapack_complex.a(ztrsen.o)
      _ztrsen_ in liblapack_complex.a(ztrsen.o)
      _ztrsen_ in liblapack_complex.a(ztrsen.o)
      _ztrsen_ in liblapack_complex.a(ztrsen.o)
      _dbdsdc_ in liblapack_double.a(dbdsdc.o)
      _dbdsdc_ in liblapack_double.a(dbdsdc.o)
      _dbdsdc_ in liblapack_double.a(dbdsdc.o)
      _dbdsdc_ in liblapack_double.a(dbdsdc.o)
      _dbdsdc_ in liblapack_double.a(dbdsdc.o)
      _dbdsdc_ in liblapack_double.a(dbdsdc.o)
      _dormbr_ in liblapack_double.a(dormbr.o)
      _dormbr_ in liblapack_double.a(dormbr.o)
      _dormbr_ in liblapack_double.a(dormbr.o)
      _dormbr_ in liblapack_double.a(dormbr.o)
      _dormbr_ in liblapack_double.a(dormbr.o)
      _dormbr_ in liblapack_double.a(dormbr.o)
      _dormbr_ in liblapack_double.a(dormbr.o)
      _dlasr_ in liblapack_double.a(dlasr.o)
      _dlasr_ in liblapack_double.a(dlasr.o)
      _dlasr_ in liblapack_double.a(dlasr.o)
      _dlasr_ in liblapack_double.a(dlasr.o)
      _dlasr_ in liblapack_double.a(dlasr.o)
      _dlasr_ in liblapack_double.a(dlasr.o)
      _dlasr_ in liblapack_double.a(dlasr.o)
      _dlasr_ in liblapack_double.a(dlasr.o)
      _dlasr_ in liblapack_double.a(dlasr.o)
      _dlasr_ in liblapack_double.a(dlasr.o)
      _dlasr_ in liblapack_double.a(dlasr.o)
      _dlasr_ in liblapack_double.a(dlasr.o)
      _dlasr_ in liblapack_double.a(dlasr.o)
      _dlasr_ in liblapack_double.a(dlasr.o)
      _dlasr_ in liblapack_double.a(dlasr.o)
      _dlasr_ in liblapack_double.a(dlasr.o)
      _dlasr_ in liblapack_double.a(dlasr.o)
      _dlasr_ in liblapack_double.a(dlasr.o)
      _dlasr_ in liblapack_double.a(dlasr.o)
      _dlasr_ in liblapack_double.a(dlasr.o)
      _dlasr_ in liblapack_double.a(dlasr.o)
      _dlasr_ in liblapack_double.a(dlasr.o)
      _dlasr_ in liblapack_double.a(dlasr.o)
      _dlasr_ in liblapack_double.a(dlasr.o)
      _dlasr_ in liblapack_double.a(dlasr.o)
      _dlasr_ in liblapack_double.a(dlasr.o)
      _dlasr_ in liblapack_double.a(dlasr.o)
      _dlanst_ in liblapack_double.a(dlanst.o)
      _dlanst_ in liblapack_double.a(dlanst.o)
      _dlanst_ in liblapack_double.a(dlanst.o)
      _dlanst_ in liblapack_double.a(dlanst.o)
      _dlanst_ in liblapack_double.a(dlanst.o)
      _ztrsyl_ in liblapack_complex.a(ztrsyl.o)
      _ztrsyl_ in liblapack_complex.a(ztrsyl.o)
      _ztrsyl_ in liblapack_complex.a(ztrsyl.o)
      _ztrsyl_ in liblapack_complex.a(ztrsyl.o)
      _dlarfb_ in liblapack_double.a(dlarfb.o)
      _dlarfb_ in liblapack_double.a(dlarfb.o)
      _dlarfb_ in liblapack_double.a(dlarfb.o)
      _dlarfb_ in liblapack_double.a(dlarfb.o)
      _dlarfb_ in liblapack_double.a(dlarfb.o)
      _dlarfb_ in liblapack_double.a(dlarfb.o)
      _dlarfb_ in liblapack_double.a(dlarfb.o)
      _dlarfb_ in liblapack_double.a(dlarfb.o)
      _dlarfb_ in liblapack_double.a(dlarfb.o)
      _dlarfb_ in liblapack_double.a(dlarfb.o)
      _dlarfb_ in liblapack_double.a(dlarfb.o)
      _dlarfb_ in liblapack_double.a(dlarfb.o)
      _dlarfb_ in liblapack_double.a(dlarfb.o)
      _zlaset_ in liblapack_complex.a(zlaset.o)
      _zlaset_ in liblapack_complex.a(zlaset.o)
      _dlarft_ in liblapack_double.a(dlarft.o)
      _dlarft_ in liblapack_double.a(dlarft.o)
      _dlarft_ in liblapack_double.a(dlarft.o)
      _ztrexc_ in liblapack_complex.a(ztrexc.o)
      _ztrexc_ in liblapack_complex.a(ztrexc.o)
      _dormlq_ in liblapack_double.a(dormlq.o)
      _dormlq_ in liblapack_double.a(dormlq.o)
      _dormlq_ in liblapack_double.a(dormlq.o)
      _dormlq_ in liblapack_double.a(dormlq.o)
      _dlasdq_ in liblapack_double.a(dlasdq.o)
      _dlasdq_ in liblapack_double.a(dlasdq.o)
      _zlarfb_ in liblapack_complex.a(zlarfb.o)
      _zlarfb_ in liblapack_complex.a(zlarfb.o)
      _zlarfb_ in liblapack_complex.a(zlarfb.o)
      _zlarfb_ in liblapack_complex.a(zlarfb.o)
      _zlarfb_ in liblapack_complex.a(zlarfb.o)
      _zlarfb_ in liblapack_complex.a(zlarfb.o)
      _zlarfb_ in liblapack_complex.a(zlarfb.o)
      _zlarfb_ in liblapack_complex.a(zlarfb.o)
      _zlarfb_ in liblapack_complex.a(zlarfb.o)
      _zlarfb_ in liblapack_complex.a(zlarfb.o)
      _zlarfb_ in liblapack_complex.a(zlarfb.o)
      _zlarfb_ in liblapack_complex.a(zlarfb.o)
      _zlarfb_ in liblapack_complex.a(zlarfb.o)
      _dormqr_ in liblapack_double.a(dormqr.o)
      _dormqr_ in liblapack_double.a(dormqr.o)
      _dormqr_ in liblapack_double.a(dormqr.o)
      _dormqr_ in liblapack_double.a(dormqr.o)
      _zlarft_ in liblapack_complex.a(zlarft.o)
      _zlarft_ in liblapack_complex.a(zlarft.o)
      _zlarft_ in liblapack_complex.a(zlarft.o)
      _zlarf_ in liblapack_complex.a(zlarf.o)
      _dlarf_ in liblapack_double.a(dlarf.o)
      _dorml2_ in liblapack_double.a(dorml2.o)
      _dorml2_ in liblapack_double.a(dorml2.o)
      _dorml2_ in liblapack_double.a(dorml2.o)
      _dorml2_ in liblapack_double.a(dorml2.o)
      _dorm2r_ in liblapack_double.a(dorm2r.o)
      _dorm2r_ in liblapack_double.a(dorm2r.o)
      _dorm2r_ in liblapack_double.a(dorm2r.o)
      _dorm2r_ in liblapack_double.a(dorm2r.o)
      _dbdsqr_ in liblapack_double.a(dbdsqr.o)
      _dbdsqr_ in liblapack_double.a(dbdsqr.o)
      _zunmhr_ in liblapack_complex.a(zunmhr.o)
      _zunmhr_ in liblapack_complex.a(zunmhr.o)
      _zunmhr_ in liblapack_complex.a(zunmhr.o)
      _zunmhr_ in liblapack_complex.a(zunmhr.o)
      _dlasrt_ in liblapack_double.a(dlasrt.o)
      _dlasrt_ in liblapack_double.a(dlasrt.o)
      _zunmqr_ in liblapack_complex.a(zunmqr.o)
      _zunmqr_ in liblapack_complex.a(zunmqr.o)
      _zunmqr_ in liblapack_complex.a(zunmqr.o)
      _zunmqr_ in liblapack_complex.a(zunmqr.o)
      _zunm2r_ in liblapack_complex.a(zunm2r.o)
      _zunm2r_ in liblapack_complex.a(zunm2r.o)
      _zunm2r_ in liblapack_complex.a(zunm2r.o)
      _zunm2r_ in liblapack_complex.a(zunm2r.o)
ld: symbol(s) not found
collect2: error: ld returned 1 exit status
make[1]: *** [../_release/libdspl.so] Error 1

At the same time linking to external liblapack works fine with just passing -llapack.

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