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fixed scaling for short real

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moved fft.py from ./ to sample_code
This commit is contained in:
Mark Borgerding
2003-12-14 05:13:11 +00:00
parent 559c14b49b
commit 573536f48f
14 changed files with 96 additions and 244 deletions
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55
tools/Makefile
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@ -10,58 +10,61 @@ ifeq "$(DATATYPE)" ""
DATATYPE=float
endif
UTIL=fftutil_$(DATATYPE)
TESTREAL=tr_$(DATATYPE)
BENCHKISS=bm_kiss_$(DATATYPE)
BENCHFFTW=bm_fftw_$(DATATYPE)
all: $(UTIL) $(BENCHKISS) $(TESTREAL)
SELFTEST=st_$(DATATYPE)
TESTREAL=tr_$(DATATYPE)
ifeq "$(DATATYPE)" "short"
TYPEFLAGS=-DFIXED_POINT -Dkiss_fft_scalar=short
SELFTESTSRC=selftest_short.c
else
TYPEFLAGS=-Dkiss_fft_scalar=$(DATATYPE)
SELFTESTSRC=selftest.c
endif
CFLAGS=-Wall -O3 -ansi -pedantic -march=pentiumpro -ffast-math -fomit-frame-pointer
# If the above flags do not work, try the following
#CFLAGS=-Wall -O3 -ansi -pedantic
all: $(BENCHKISS) $(SELFTEST) $(BENCHFFTW) $(TESTREAL)
$(UTIL): ../kiss_fft.c ../kiss_fft2d.c fftutil.c
gcc -o $@ $(CFLAGS) -I.. $(TYPEFLAGS) ../kiss_fft.c ../kiss_fft2d.c fftutil.c -lm
#CFLAGS=-Wall -O3 -ansi -pedantic -march=pentiumpro -ffast-math -fomit-frame-pointer
# If the above flags do not work, try the following
CFLAGS=-Wall -O3
$(SELFTEST): ../kiss_fft.c $(SELFTESTSRC)
$(CC) -o $@ $(CFLAGS) -I.. $(TYPEFLAGS) -lm $+
$(TESTREAL): ../kiss_fft.c ../kiss_fftr.c test_real.c
gcc -o $@ $(CFLAGS) -I.. $(TYPEFLAGS) -lm $+
$(CC) -o $@ $(CFLAGS) -I.. $(TYPEFLAGS) -lm $+
$(BENCHKISS): benchkiss.c ../kiss_fft.c pstats.c
gcc -o $@ $(CFLAGS) -I.. benchkiss.c $(TYPEFLAGS) ../kiss_fft.c pstats.c -lm
fftw: $(BENCHFFTW)
./$(BENCHFFTW) -x $(NUMFFTS) -n $(NFFT)
$(CC) -o $@ $(CFLAGS) -I.. benchkiss.c $(TYPEFLAGS) ../kiss_fft.c pstats.c -lm
$(BENCHFFTW): benchfftw.c pstats.c
gcc -o $@ $(CFLAGS) -DDATATYPE$(DATATYPE) benchfftw.c pstats.c -lm -lfftw3f -lfftw3 -L /usr/local/lib/
time: all
@./$(BENCHKISS) -x $(NUMFFTS) -n $(NFFT)
@$(CC) -o $@ $(CFLAGS) -DDATATYPE$(DATATYPE) benchfftw.c pstats.c -lm -lfftw3f -lfftw3 -L /usr/local/lib/ || echo "FFTW not available for comparison"
POW2=256 512 1024 2048 4096 8192
POW3=243 729 2187
POW5=25 125 625 3125
mtime: all $(BENCHFFTW)
for n in $(POW2) $(POW3) $(POW5) ;do \
mtime: all
@for n in $(POW2) $(POW3) $(POW5) ;do \
echo ============================;\
./$(BENCHKISS) -x $(NUMFFTS) -n $$n;\
[ -x ./$(BENCHFFTW) ] && ./$(BENCHFFTW) -x $(NUMFFTS) -n $$n || true ; \
done
snr: all $(TESTREAL)
@echo "testkiss( $(NFFT) , 1, '$(DATATYPE)' );" | octave -q
@echo "testkiss( $(NFFT) , $(NROWS), '$(DATATYPE)' );" | octave -q
./$(TESTREAL)
test: all $(TESTREAL)
@echo "======SELF TEST"
@./$(SELFTEST)
@echo "======REAL FFT TEST"
@./$(TESTREAL)
@echo "======TIMING TEST"
@./$(BENCHKISS) -x $(NUMFFTS) -n $(NFFT)
@[ -x ./$(BENCHFFTW) ] && ./$(BENCHFFTW) -x $(NUMFFTS) -n $(NFFT) ||true
test: snr time fftw
selftest.c:
./mk_test.py 10 12 14 > selftest.c
selftest_short.c:
./mk_test.py -s 10 12 14 > selftest_short.c
clean:
rm -f *~ fftutil_* bm_* tr_* *.dat
rm -f *~ bm_* st_* tr_* *.dat

2
tools/fftutil.c
View File

@ -16,7 +16,7 @@ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
#include <math.h>
#include <stdio.h>
#include <string.h>
#include <getopt.h>
#include <unistd.h>
#include "kiss_fft.h"