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added test code for kiss_fftnd

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FFTs can now have an arbitrary # of dimensions
Also, buffer copies are eliminated.
This commit is contained in:
Mark Borgerding
2003-12-30 05:56:50 +00:00
parent 377ac796f0
commit ec3b64a62e
8 changed files with 192 additions and 50 deletions
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11
test/selftest.c
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@ -1,5 +1,5 @@
#include "kiss_fft.h"
#include "kiss_fft2d.h"
#include "kiss_fftnd.h"
#include "_kiss_fft_guts.h"
#define xstr(s) str(s)
@ -164,8 +164,8 @@ int test_stride()
if ( memcmp(buf1out,buf2out,sizeof(buf1out) ) ){
printf("kiss_fft_stride not working for stride =%d\n",SKIP_FACTOR);
for (i=0;i<FFT_SIZE;++i) {
printf(stderr,"good[%d]=",i);pcpx(buf1out+i);
printf(stderr,"bad [%d]=",i);pcpx(buf2out+i);
printf("good[%d]=",i);pcpx(buf1out+i);
printf("bad [%d]=",i);pcpx(buf2out+i);
}
free(cfg);
return 1;
@ -178,6 +178,7 @@ int test_stride()
int test2d()
{
void *cfg;
int dims[]={3,9};
kiss_fft_cpx in[3*9]={
{1,0},{0,0},{0,0},{0,0},{0,0},{0,0},{3,0},{0,0},{0,0},
{0,0},{0,0},{0,0},{0,0},{5,0},{0,0},{0,0},{0,0},{0,0},
@ -186,8 +187,8 @@ int test2d()
kiss_fft_cpx ver[3*9]= {
{16.00000,0.00000},{0.16385,5.38749},{4.54576,7.50952},{-2.00000,1.73205},{-6.20961,9.91626},{-6.20961,-9.91626},{-2.00000,-1.73205},{4.54576,-7.50952},{0.16385,-5.38749},{-2.00000,1.73205},{-6.20961,9.91626},{-6.20961,-9.91626},{-2.00000,-1.73205},{4.54576,-7.50952},{0.16385,-5.38749},{16.00000,0.00000},{0.16385,5.38749},{4.54576,7.50952},{-2.00000,-1.73205},{4.54576,-7.50952},{0.16385,-5.38749},{16.00000,-0.00000},{0.16385,5.38749},{4.54576,7.50952},{-2.00000,1.73205},{-6.20961,9.91626},{-6.20961,-9.91626} };
cfg = kiss_fft2d_alloc(3,9,0,0,0);
kiss_fft2d(cfg,in,out);
cfg = kiss_fftnd_alloc(dims,2,0,0,0);
kiss_fftnd(cfg,in,out);
free(cfg);
if ( snr_compare( out,ver, 3*9) < 100 ) {