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109 lines
5.1 KiB
Makefile
109 lines
5.1 KiB
Makefile
# This Makefile.am specifies a set of codelets, efficient transforms
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# of small sizes, that are used as building blocks (kernels) by FFTW
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# to build up large transforms, as well as the options for generating
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# and compiling them.
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# You can customize FFTW for special needs, e.g. to handle certain
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# sizes more efficiently, by adding new codelets to the lists of those
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# included by default. If you change the list of codelets, any new
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# ones you added will be automatically generated when you run the
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# bootstrap script (see "Generating your own code" in the FFTW
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# manual).
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###########################################################################
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AM_CPPFLAGS = -I $(top_srcdir)
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noinst_LTLIBRARIES = librdft_scalar_r2cf.la
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###########################################################################
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# r2cf_<n> is a hard-coded real-to-complex FFT of size <n> (base cases
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# of real-input FFT recursion)
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R2CF = r2cf_2.c r2cf_3.c r2cf_4.c r2cf_5.c r2cf_6.c r2cf_7.c r2cf_8.c \
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r2cf_9.c r2cf_10.c r2cf_11.c r2cf_12.c r2cf_13.c r2cf_14.c r2cf_15.c \
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r2cf_16.c r2cf_32.c r2cf_64.c r2cf_128.c \
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r2cf_20.c r2cf_25.c # r2cf_30.c r2cf_40.c r2cf_50.c
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###########################################################################
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# hf_<r> is a "twiddle" FFT of size <r>, implementing a radix-r DIT
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# step for a real-input FFT. Every hf codelet must have a
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# corresponding r2cfII codelet (see below)!
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HF = hf_2.c hf_3.c hf_4.c hf_5.c hf_6.c hf_7.c hf_8.c hf_9.c \
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hf_10.c hf_12.c hf_15.c hf_16.c hf_32.c hf_64.c \
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hf_20.c hf_25.c # hf_30.c hf_40.c hf_50.c
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# like hf, but generates part of its trig table on the fly (good for large n)
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HF2 = hf2_4.c hf2_8.c hf2_16.c hf2_32.c \
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hf2_5.c hf2_20.c hf2_25.c
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# an r2cf transform where the input is shifted by half a sample (output
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# is multiplied by a phase). This is needed as part of the DIT recursion;
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# every hf_<r> or hf2_<r> codelet should have a corresponding r2cfII_<r>
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R2CFII = r2cfII_2.c r2cfII_3.c r2cfII_4.c r2cfII_5.c r2cfII_6.c \
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r2cfII_7.c r2cfII_8.c r2cfII_9.c r2cfII_10.c r2cfII_12.c r2cfII_15.c \
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r2cfII_16.c r2cfII_32.c r2cfII_64.c \
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r2cfII_20.c r2cfII_25.c # r2cfII_30.c r2cfII_40.c r2cfII_50.c
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###########################################################################
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# hc2cf_<r> is a "twiddle" FFT of size <r>, implementing a radix-r DIT
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# step for a real-input FFT with rdft2-style output. <r> must be even.
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HC2CF = hc2cf_2.c hc2cf_4.c hc2cf_6.c hc2cf_8.c hc2cf_10.c hc2cf_12.c \
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hc2cf_16.c hc2cf_32.c \
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hc2cf_20.c # hc2cf_30.c
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HC2CFDFT = hc2cfdft_2.c hc2cfdft_4.c hc2cfdft_6.c hc2cfdft_8.c \
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hc2cfdft_10.c hc2cfdft_12.c hc2cfdft_16.c hc2cfdft_32.c \
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hc2cfdft_20.c # hc2cfdft_30.c
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# like hc2cf, but generates part of its trig table on the fly (good
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# for large n)
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HC2CF2 = hc2cf2_4.c hc2cf2_8.c hc2cf2_16.c hc2cf2_32.c \
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hc2cf2_20.c # hc2cf2_30.c
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HC2CFDFT2 = hc2cfdft2_4.c hc2cfdft2_8.c hc2cfdft2_16.c hc2cfdft2_32.c \
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hc2cfdft2_20.c # hc2cfdft2_30.c
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###########################################################################
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ALL_CODELETS = $(R2CF) $(HF) $(HF2) $(R2CFII) $(HC2CF) $(HC2CF2) \
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$(HC2CFDFT) $(HC2CFDFT2)
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BUILT_SOURCES= $(ALL_CODELETS) $(CODLIST)
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librdft_scalar_r2cf_la_SOURCES = $(BUILT_SOURCES)
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SOLVTAB_NAME = X(solvtab_rdft_r2cf)
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XRENAME=X
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# special rules for regenerating codelets.
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include $(top_srcdir)/support/Makefile.codelets
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if MAINTAINER_MODE
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FLAGS_R2CF=$(RDFT_FLAGS_COMMON)
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FLAGS_HF=$(RDFT_FLAGS_COMMON)
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FLAGS_HF2=$(RDFT_FLAGS_COMMON) -twiddle-log3 -precompute-twiddles
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FLAGS_HC2CF=$(RDFT_FLAGS_COMMON)
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FLAGS_HC2CF2=$(RDFT_FLAGS_COMMON) -twiddle-log3 -precompute-twiddles
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FLAGS_R2CFII=$(RDFT_FLAGS_COMMON)
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r2cf_%.c: $(CODELET_DEPS) $(GEN_R2CF)
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($(PRELUDE_COMMANDS_RDFT); $(TWOVERS) $(GEN_R2CF) $(FLAGS_R2CF) -n $* -name r2cf_$* -include "rdft/scalar/r2cf.h") | $(ADD_DATE) | $(INDENT) >$@
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hf_%.c: $(CODELET_DEPS) $(GEN_HC2HC)
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($(PRELUDE_COMMANDS_RDFT); $(TWOVERS) $(GEN_HC2HC) $(FLAGS_HF) -n $* -dit -name hf_$* -include "rdft/scalar/hf.h") | $(ADD_DATE) | $(INDENT) >$@
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hf2_%.c: $(CODELET_DEPS) $(GEN_HC2HC)
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($(PRELUDE_COMMANDS_RDFT); $(TWOVERS) $(GEN_HC2HC) $(FLAGS_HF2) -n $* -dit -name hf2_$* -include "rdft/scalar/hf.h") | $(ADD_DATE) | $(INDENT) >$@
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r2cfII_%.c: $(CODELET_DEPS) $(GEN_R2CF)
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($(PRELUDE_COMMANDS_RDFT); $(TWOVERS) $(GEN_R2CF) $(FLAGS_R2CF) -n $* -name r2cfII_$* -dft-II -include "rdft/scalar/r2cfII.h") | $(ADD_DATE) | $(INDENT) >$@
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hc2cf_%.c: $(CODELET_DEPS) $(GEN_HC2C)
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($(PRELUDE_COMMANDS_RDFT); $(TWOVERS) $(GEN_HC2C) $(FLAGS_HC2CF) -n $* -dit -name hc2cf_$* -include "rdft/scalar/hc2cf.h") | $(ADD_DATE) | $(INDENT) >$@
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hc2cf2_%.c: $(CODELET_DEPS) $(GEN_HC2C)
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($(PRELUDE_COMMANDS_RDFT); $(TWOVERS) $(GEN_HC2C) $(FLAGS_HC2CF2) -n $* -dit -name hc2cf2_$* -include "rdft/scalar/hc2cf.h") | $(ADD_DATE) | $(INDENT) >$@
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hc2cfdft_%.c: $(CODELET_DEPS) $(GEN_HC2CDFT)
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($(PRELUDE_COMMANDS_RDFT); $(TWOVERS) $(GEN_HC2CDFT) $(FLAGS_HC2CF) -n $* -dit -name hc2cfdft_$* -include "rdft/scalar/hc2cf.h") | $(ADD_DATE) | $(INDENT) >$@
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hc2cfdft2_%.c: $(CODELET_DEPS) $(GEN_HC2CDFT)
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($(PRELUDE_COMMANDS_RDFT); $(TWOVERS) $(GEN_HC2CDFT) $(FLAGS_HC2CF2) -n $* -dit -name hc2cfdft2_$* -include "rdft/scalar/hc2cf.h") | $(ADD_DATE) | $(INDENT) >$@
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endif # MAINTAINER_MODE
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