mirror/kissfft
1
0
Fork 0
mirror of https://github.com/mborgerding/kissfft.git synced 2025-10-30 15:54:39 -04:00
Code Issues Packages Projects Releases Wiki Activity

made some things const -- doesn't really have an effect under gcc, but it might under some compilers

Browse Source 
added asm target to check to see if the assembly code changes
This commit is contained in:
Mark Borgerding
2004-02-08 17:10:02 +00:00
parent b61061d52a
commit b1dad2147b
3 changed files with 12 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
Makefile
View File

@ -30,5 +30,9 @@ dist: tarball
upload: dist
ncftpput upload.sourceforge.net incoming $(ZIPFILE) $(TARBALL)
asm:
asm: kiss_fft.s
kiss_fft.s: kiss_fft.c kiss_fft.h _kiss_fft_guts.h
[ -e kiss_fft.s ] && mv kiss_fft.s kiss_fft.s~ || true
gcc -S kiss_fft.c -O3 -march=pentiumpro -ffast-math -fomit-frame-pointer -dA -fverbose-asm
[ -e kiss_fft.s~ ] && diff kiss_fft.s~ kiss_fft.s || true

9
_kiss_fft_guts.h
View File

@ -84,15 +84,6 @@ kiss_fft_cpx kf_cexp(double phase) /* returns e ** (j*phase) */
return x;
}
void kf_work(
kiss_fft_cpx * Fout,
const kiss_fft_cpx * f,
int fstride,
int in_skip,
int * factors,
const kiss_fft_state * st
);
/* a debugging function */
#define pcpx(c)\
fprintf(stderr,"%g + %gi\n",(double)((c)->r),(double)((c)->i) )

12
kiss_fft.c
View File

@ -26,7 +26,7 @@ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
static void kf_bfly2(
kiss_fft_cpx * Fout,
int fstride,
const int fstride,
const kiss_fft_state * st,
int m
)
@ -49,7 +49,7 @@ static void kf_bfly2(
static void kf_bfly4(
kiss_fft_cpx * Fout,
int fstride,
const int fstride,
const kiss_fft_state * st,
int m
)
@ -97,7 +97,7 @@ static void kf_bfly4(
static void kf_bfly3(
kiss_fft_cpx * Fout,
int fstride,
const int fstride,
const kiss_fft_state * st,
int m
)
@ -143,7 +143,7 @@ static void kf_bfly3(
static void kf_bfly5(
kiss_fft_cpx * Fout,
int fstride,
const int fstride,
const kiss_fft_state * st,
int m
)
@ -205,7 +205,7 @@ static void kf_bfly5(
/* perform the butterfly for one stage of a mixed radix FFT */
static void kf_bfly_generic(
kiss_fft_cpx * Fout,
int fstride,
const int fstride,
const kiss_fft_state * st,
int m,
int p
@ -244,7 +244,7 @@ static
void kf_work(
kiss_fft_cpx * Fout,
const kiss_fft_cpx * f,
int fstride,
const int fstride,
int in_stride,
int * factors,
const kiss_fft_state * st