next fast size for real FFTs

This commit is contained in:
Mark Borgerding 2008-08-22 14:05:40 +00:00
parent 48cbba0c55
commit 262fe2297b

View File

@ -112,6 +112,10 @@ void kiss_fft_cleanup(void);
*/
int kiss_fft_next_fast_size(int n);
/* for real ffts, we need an even size */
#define kiss_fftr_next_fast_size_real(n) \
(kiss_fft_next_fast_size( ((n)+1)>>1)<<1)
#ifdef __cplusplus
}
#endif