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took utility/test code out of main source file and moved down to sample_code

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Mark Borgerding
2003-08-10 15:39:15 +00:00
parent b95e3ea18a
commit a962dc2681
7 changed files with 313 additions and 81 deletions
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12
kiss_fft.h
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@ -32,15 +32,15 @@ void* kiss_fft_alloc(int nfft,int inverse_fft);
// free() the state when done using it
/*
* kiss_fft
* kiss_fft(cfg,in_out_buf)
*
* Perform an in-place FFT on a complex input buffer.
*
* the input buffer should be real(f[0]) , imag(f[0]), ... ,real(f[nfft-1]) , imag(f[nfft-1])
* the the output will be real(F[0]) , imag(F[0]), ... ,real(F[nfft-1]) , imag(F[nfft-1])
*
* for a forward FFT,
* the input should be f[0] , f[1] , ... ,f[nfft-1]
* the output will be F[0] , F[1] , ... ,F[nfft-1]
* Note that each element is complex.
* */
void kiss_fft( const void* cfg , kiss_fft_cpx *f ); // call for each buffer
void kiss_fft( const void* cfg_from_alloc , kiss_fft_cpx *f ); // call for each buffer
// when done with the cfg for a given fft size and direction, simply free it
#define kiss_fft_free free