48 lines
948 B
C
48 lines
948 B
C
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#ifndef KISS_NDR_H
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#define KISS_NDR_H
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#include "kiss_fft.h"
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#include "kiss_fftr.h"
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#include "kiss_fftnd.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct kiss_fftndr_state *kiss_fftndr_cfg;
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kiss_fftndr_cfg kiss_fftndr_alloc(const int *dims,int ndims,int inverse_fft,void*mem,size_t*lenmem);
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/*
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dims[0] must be even
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If you don't care to allocate space, use mem = lenmem = NULL
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*/
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void kiss_fftndr(
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kiss_fftndr_cfg cfg,
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const kiss_fft_scalar *timedata,
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kiss_fft_cpx *freqdata);
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/*
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input timedata has dims[0] X dims[1] X ... X dims[ndims-1] scalar points
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output freqdata has dims[0] X dims[1] X ... X dims[ndims-1]/2+1 complex points
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*/
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void kiss_fftndri(
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kiss_fftndr_cfg cfg,
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const kiss_fft_cpx *freqdata,
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kiss_fft_scalar *timedata);
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/*
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input and output dimensions are the exact opposite of kiss_fftndr
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*/
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#define kiss_fftr_free free
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#ifdef __cplusplus
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}
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#endif
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#endif
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