mirror of
https://github.com/mborgerding/kissfft.git
synced 2025-05-27 21:20:27 -04:00
66 lines
1.3 KiB
Makefile
66 lines
1.3 KiB
Makefile
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ifeq "$(NFFT)" ""
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NFFT=1024
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endif
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ifeq "$(NUMFFTS)" ""
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NUMFFTS=10000
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endif
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UTILSRC=../kiss_fft.c fftutil.c
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CFLAGS=-Wall -O3 -lm -I.. -ansi -pedantic
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ifeq "$(DATATYPE)" ""
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DATATYPE=float
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endif
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UTIL=fftutil_$(DATATYPE)
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all: $(UTIL)
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ifeq "$(DATATYPE)" "short"
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TYPEFLAGS=-DFIXED_POINT -Dkiss_fft_scalar=short
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else
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TYPEFLAGS=-Dkiss_fft_scalar=$(DATATYPE)
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endif
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$(UTIL): $(UTILSRC)
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gcc -o $@ $(CFLAGS) $(TYPEFLAGS) $(UTILSRC)
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RANDDAT=rand_$(DATATYPE)_$(NFFT).dat
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$(RANDDAT):
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./rand_fft_data.py -n 1 -N $(NFFT) -t $(DATATYPE) > $(RANDDAT)
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time: all $(RANDDAT)
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@echo
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@echo -n "#### timing $(NUMFFTS) x $(NFFT) point FFTs. "; factor $(NFFT)
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@if [ -x ~/fftw/st ] && [ $(DATATYPE) == "double" ]; then \
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echo "#### FFTW FFT $(DATATYPE)"; \
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time ~/fftw/st -x $(NUMFFTS) -n $(NFFT) < $(RANDDAT) > /dev/null;\
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fi
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@echo "#### KISS FFT $(DATATYPE)"
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@time ./$(UTIL) -x $(NUMFFTS) -n $(NFFT) < $(RANDDAT) > /dev/null
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@rm $(RANDDAT)
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POW2=256 512 1024 2048
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POW3=243 729 2187
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POW5=25 125 625
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mtime: all
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@for n in $(POW5) ;do \
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export NFFT=$$n;make time; \
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done
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snr: all
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@which octave
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@echo
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@echo "### testing SNR for $(NFFT) point FFTs"
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@echo "#### $(DATATYPE)"
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@echo "testkiss( $(NFFT) , '$(DATATYPE)' );" | octave -q
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test: snr time
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clean:
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rm -f *.dat *~ fftutil_*
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