On Wed, 19 Jan 2022 at 03:44, Patrick Dupre <pdu...@gmx.com> wrote: > Yes, exactly. > Actually the package * FFTConvolution > <https://github.com/jeremyfix/FFTConvolution> call fftconv2 (* > https://github.com/jeremyfix/FFTConvolution) > > In convolution_benchmark.cc > feval ("fftconv2", functionArguments, 1); > > but, I get > error: feval: function 'fftconv2' not found > > I do not know how to call the octave function from a c++ program. > It is because a library si not linked? >
The convolution_benchmark.cc was last updated in 2013. Octave has changed a lot since then. > > > The author of the package (jeremy.fix) did not answer to my request. > Can't really blame someone for not keeping on top of old projects. Wonder if someone has forked the code. > *Sent:* Tuesday, January 18, 2022 at 9:33 PM > *From:* "George N. White III" <gnw...@gmail.com> > *To:* "Community support for Fedora users" <users@lists.fedoraproject.org> > *Subject:* Re: fttconv2 > On Mon, 17 Jan 2022 at 17:59, Patrick Dupre <pdu...@gmx.com> wrote: > >> Hello, >> >> I get the following error: >> >> error: feval: function 'fftconv2' not found >> >> octave-image provide fftconv2.m >> >> can I use it? If yes, How? > > > Are you trying to use octave's fftconv2 function? In Fedora35 with octave > and octave-image installed using dnf: > > octave:8> pkg load image > pkg load image > octave:9> help fftconv2 > help fftconv2 > 'fftconv2' is a function from the file > /usr/share/octave/packages/image-2.12.0/fftconv2.m > > -- Function File: fftconv2 (A, B) > -- Function File: fftconv2 (V1, V2, A) > -- Function File: fftconv2 (..., SHAPE) > Convolve 2 dimensional signals using the FFT. > > This method is faster but less accurate than CONV2 for large A and > B. It also uses more memory. A small complex component will be > introduced even if both A and B are real. > > See also: conv2, fftconv, fft, ifft. > > > > -- > George N. White III > > _______________________________________________ users mailing list -- > users@lists.fedoraproject.org To unsubscribe send an email to > users-le...@lists.fedoraproject.org Fedora Code of Conduct: > https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List > Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List > Archives: > https://lists.fedoraproject.org/archives/list/users@lists.fedoraproject.org > Do not reply to spam on the list, report it: > https://pagure.io/fedora-infrastructure > _______________________________________________ > users mailing list -- users@lists.fedoraproject.org > To unsubscribe send an email to users-le...@lists.fedoraproject.org > Fedora Code of Conduct: > https://docs.fedoraproject.org/en-US/project/code-of-conduct/ > List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines > List Archives: > https://lists.fedoraproject.org/archives/list/users@lists.fedoraproject.org > Do not reply to spam on the list, report it: > https://pagure.io/fedora-infrastructure > -- George N. White III
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