diff options
Diffstat (limited to 'lib/fftease.h')
-rw-r--r-- | lib/fftease.h | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/lib/fftease.h b/lib/fftease.h deleted file mode 100644 index 30b39e9..0000000 --- a/lib/fftease.h +++ /dev/null @@ -1,50 +0,0 @@ -#include <stdio.h> -#include <math.h> -#include <string.h> - -#define FORWARD 1 -#define INVERSE 0 - -#ifndef PI -#define PI 3.141592653589793115997963468544185161590576171875 -#endif - -#ifndef TWOPI -#define TWOPI 6.28318530717958623199592693708837032318115234375 -#endif - -#define FFTEASE_ANNOUNCEMENT "- a member of FFTease 2.5\nby Eric Lyon and Christopher Penrose" - -#define MAX_N (16384) -#define MAX_Nw (MAX_N * 4) -#define MAX_N2 (MAX_N/2) - -void rfft( float *x, int N, int forward ); -void cfft( float *x, int NC, int forward ); -void convert(float *S, float *C, int N2, float *lastphase, float fundamental, float factor ); -void unconvert( float *C, float *S, int N2, float *lastphase, float fundamental, float factor ); -void leanconvert( float *S, float *C, int N2 ); -void leanunconvert( float *C, float *S, int N2 ); -void makewindows( float *H, float *A, float *S, int Nw, int N, int I ); -void makehamming( float *H, float *A, float *S, int Nw, int N, int I,int odd ); -void makehanning( float *H, float *A, float *S, int Nw, int N, int I,int odd ); -void fold( float *I, float *W, int Nw, float *O, int N, int n ); -void overlapadd( float *I, int N, float *W, float *O, int Nw, int n ); -void bitreverse( float *x, int N ); -void bloscbank( float *S, float *O, int D, float iD, float *lf, float *la, float *bindex, float *tab, - int len, float synt, int lo, int hi ); -/* fast fft calls */ -void makect(int nc, int *ip, float *c); -void makewt(int nw, int *ip, float *w); -void rftsub(int n, float *a, int nc, float *c); -void cftsub(int n, float *a, float *w); -void bitrv2(int n, int *ip, float *a); -void rdft(int n, int isgn, float *a, int *ip, float *w); -void init_rdft(int n, int *ip, float *w); -/* rands */ -float randf( float min, float max ); -int randi( int min, int max ); -int power_of_two(int test); - -void limit_fftsize(int *N, int *Nw, char *OBJECT_NAME); - |