Permalink
Switch branches/tags
Nothing to show
Find file
Fetching contributors…
Cannot retrieve contributors at this time
69 lines (50 sloc) 2.38 KB
/*
Copyright (C) 2012 Davorin Šego
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
[CCode (cprefix = "kiss_fft_", lower_case_cprefix = "kiss_fft_", cheader_filename = "kiss_fft.h")]
namespace KissFFT {
[SimpleType]
public struct scalar : float {}
[CCode (cname = "kiss_fft_cpx")]
public struct Cpx {
scalar r;
scalar i;
}
[SimpleType]
[CCode (cname = "kiss_fft_cfg", destroy_function = "kiss_fft_free")]
public struct Cfg {}
public Cfg alloc(int nfft, bool inverse_fft, void* mem, size_t* lenmem);
[CCode (cname = "kiss_fft")]
public void transform(Cfg cfg, Cpx* fin, Cpx* fout);
[CCode (cname = "kiss_fft_stride")]
public void transform_stride(Cfg cfg, Cpx* fin, Cpx* fout, int fin_stride);
public void cleanup();
public int next_fast_size(int n);
// public int kiss_fftr_next_fast_size_real(n)
}
[CCode (cprefix = "kiss_fftr_", lower_case_cprefix = "kiss_fftr_", cheader_filename = "tools/kiss_fftr.h")]
namespace KissFFTR {
[SimpleType]
[CCode (cname = "kiss_fftr_cfg", destroy_function = "kiss_fftr_free")]
public struct Cfg {}
public Cfg alloc(int nfft, bool inverse_fft, void* mem, size_t* lenmem);
[CCode (cname = "kiss_fftr")]
public void transform(Cfg cfg, KissFFT.scalar* timedata, KissFFT.Cpx* freqdata);
[CCode (cname = "kiss_fftri")]
public void transform_inverse(Cfg cfg, KissFFT.Cpx* freqdata, KissFFT.scalar* timedata);
}