#include "kiss_fft.h"
Go to the source code of this file.
Defines | |
#define | kiss_fftr_free free |
Typedefs | |
typedef struct kiss_fftr_state * | kiss_fftr_cfg |
Functions | |
kiss_fftr_cfg | kiss_fftr_alloc (int nfft, int inverse_fft, void *mem, size_t *lenmem) |
void | kiss_fftr (kiss_fftr_cfg cfg, const kiss_fft_scalar *timedata, kiss_fft_cpx *freqdata) |
void | kiss_fftri (kiss_fftr_cfg cfg, const kiss_fft_cpx *freqdata, kiss_fft_scalar *timedata) |
#define kiss_fftr_free free |
Referenced by spx_fft_destroy().
typedef struct kiss_fftr_state* kiss_fftr_cfg |
void kiss_fftr | ( | kiss_fftr_cfg | cfg, | |
const kiss_fft_scalar * | timedata, | |||
kiss_fft_cpx * | freqdata | |||
) |
References C_ADD, C_FIXDIV, C_MUL, C_SUB, CHECK_OVERFLOW_OP, HALF_OF, kiss_fft_cpx::i, kiss_fft_state::inverse, kiss_fft(), kiss_fft_state::nfft, kiss_fft_cpx::r, kiss_fftr_state::substate, kiss_fftr_state::super_twiddles, and kiss_fftr_state::tmpbuf.
Referenced by spx_fft().
kiss_fftr_cfg kiss_fftr_alloc | ( | int | nfft, | |
int | inverse_fft, | |||
void * | mem, | |||
size_t * | lenmem | |||
) |
References kf_cexp, kiss_fft_alloc(), KISS_FFT_MALLOC, NULL, kiss_fftr_state::substate, kiss_fftr_state::super_twiddles, and kiss_fftr_state::tmpbuf.
Referenced by spx_fft_init().
void kiss_fftri | ( | kiss_fftr_cfg | cfg, | |
const kiss_fft_cpx * | freqdata, | |||
kiss_fft_scalar * | timedata | |||
) |
References C_ADD, C_MUL, C_SUB, kiss_fft_cpx::i, kiss_fft_state::inverse, kiss_fft(), kiss_fft_state::nfft, kiss_fft_cpx::r, kiss_fftr_state::substate, kiss_fftr_state::super_twiddles, and kiss_fftr_state::tmpbuf.
Referenced by spx_ifft().