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32
Makefile
32
Makefile
@ -1,28 +1,10 @@
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SPEEDTESTFILE=/dev/shm/kissfft_speedtest
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SPEEDTESTNSAMPS=1000
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all: kiss_fft_s kiss_fft_f kiss_fft_d
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kiss_fft_s: kiss_fft.h kiss_fft.c
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gcc -Wall -O3 -o kiss_fft_s -DFIXED_POINT -DFFT_UTIL kiss_fft.c -lm
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kiss_fft_f: kiss_fft.h kiss_fft.c
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gcc -Wall -O3 -o kiss_fft_f -Dkiss_fft_scalar=float -DFFT_UTIL kiss_fft.c -lm
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kiss_fft_d: kiss_fft.h kiss_fft.c
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gcc -Wall -O3 -o kiss_fft_d -Dkiss_fft_scalar=double -DFFT_UTIL kiss_fft.c -lm
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clean:
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rm -f kiss_fft_s kiss_fft_f kiss_fft_d *~ fftin.dat fftout.dat $(SPEEDTESTFILE)
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test: all
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./test.oct
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speedf: kiss_fft_f $(SPEEDTESTFILE)
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time ./kiss_fft_f < $(SPEEDTESTFILE) > /dev/null
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$(SPEEDTESTFILE):
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dd if=/dev/zero bs=8192 count=$(SPEEDTESTNSAMPS) of=$(SPEEDTESTFILE)
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message:
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@echo "Nothing to make here. Move on down to sample_code for ... you guessed it! Sample Code!"
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tarball: clean
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tar -czf kiss_fft.tar.gz .
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clean:
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cd sample_code && make clean
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rm -f kiss_fft.tar.gz *~
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@ -180,7 +180,7 @@ void * kiss_fft_alloc(int nfft,int inverse_fft)
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{
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kiss_fft_state * st=NULL;
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// allocate one large buffer to hold the state, twiddle buffers, and bit-rev indices
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int size = sizeof(kiss_fft_state) + (nfft>>1)*sizeof(kiss_fft_cpx) + (nfft>>1)*sizeof(int);
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int size = sizeof(kiss_fft_state) + (nfft>>1)*sizeof(kiss_fft_cpx) + nfft*sizeof(int);
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st = ( kiss_fft_state *)malloc(size);
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if (st) {
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