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109 lines
5.2 KiB
Makefile
109 lines
5.2 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_r2cb.la
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###########################################################################
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# r2cb_<n> is a hard-coded complex-to-real FFT of size <n> (base cases
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# of real-output FFT recursion)
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R2CB = r2cb_2.c r2cb_3.c r2cb_4.c r2cb_5.c r2cb_6.c r2cb_7.c r2cb_8.c \
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r2cb_9.c r2cb_10.c r2cb_11.c r2cb_12.c r2cb_13.c r2cb_14.c r2cb_15.c \
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r2cb_16.c r2cb_32.c r2cb_64.c r2cb_128.c r2cb_20.c r2cb_25.c
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# r2cb_30.c r2cb_40.c r2cb_50.c
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###########################################################################
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# hb_<r> is a "twiddle" FFT of size <r>, implementing a radix-r DIF
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# step for a real-output FFT. Every hb codelet must have a
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# corresponding r2cbIII codelet (see below)!
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HB = hb_2.c hb_3.c hb_4.c hb_5.c hb_6.c hb_7.c hb_8.c hb_9.c \
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hb_10.c hb_12.c hb_15.c hb_16.c hb_32.c hb_64.c \
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hb_20.c hb_25.c # hb_30.c hb_40.c hb_50.c
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# like hb, but generates part of its trig table on the fly (good for large n)
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HB2 = hb2_4.c hb2_8.c hb2_16.c hb2_32.c \
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hb2_5.c hb2_20.c hb2_25.c
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# an r2cb transform where the output is shifted by half a sample (input
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# is multiplied by a phase). This is needed as part of the DIF recursion;
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# every hb_<r> or hb2_<r> codelet should have a corresponding r2cbIII_<r>
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R2CBIII = r2cbIII_2.c r2cbIII_3.c r2cbIII_4.c r2cbIII_5.c r2cbIII_6.c \
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r2cbIII_7.c r2cbIII_8.c r2cbIII_9.c r2cbIII_10.c r2cbIII_12.c \
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r2cbIII_15.c r2cbIII_16.c r2cbIII_32.c r2cbIII_64.c \
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r2cbIII_20.c r2cbIII_25.c # r2cbIII_30.c r2cbIII_40.c r2cbIII_50.c
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###########################################################################
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# hc2cb_<r> is a "twiddle" FFT of size <r>, implementing a radix-r DIF
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# step for a real-input FFT with rdft2-style output. <r> must be even.
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HC2CB = hc2cb_2.c hc2cb_4.c hc2cb_6.c hc2cb_8.c hc2cb_10.c hc2cb_12.c \
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hc2cb_16.c hc2cb_32.c \
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hc2cb_20.c # hc2cb_30.c
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HC2CBDFT = hc2cbdft_2.c hc2cbdft_4.c hc2cbdft_6.c hc2cbdft_8.c \
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hc2cbdft_10.c hc2cbdft_12.c hc2cbdft_16.c hc2cbdft_32.c \
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hc2cbdft_20.c # hc2cbdft_30.c
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# like hc2cb, but generates part of its trig table on the fly (good
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# for large n)
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HC2CB2 = hc2cb2_4.c hc2cb2_8.c hc2cb2_16.c hc2cb2_32.c \
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hc2cb2_20.c # hc2cb2_30.c
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HC2CBDFT2 = hc2cbdft2_4.c hc2cbdft2_8.c hc2cbdft2_16.c hc2cbdft2_32.c \
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hc2cbdft2_20.c # hc2cbdft2_30.c
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###########################################################################
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ALL_CODELETS = $(R2CB) $(HB) $(HB2) $(R2CBIII) $(HC2CB) $(HC2CB2) \
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$(HC2CBDFT) $(HC2CBDFT2)
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BUILT_SOURCES= $(ALL_CODELETS) $(CODLIST)
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librdft_scalar_r2cb_la_SOURCES = $(BUILT_SOURCES)
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SOLVTAB_NAME = X(solvtab_rdft_r2cb)
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XRENAME=X
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# special rules for regenerating codelets.
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include $(top_srcdir)/support/Makefile.codelets
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if MAINTAINER_MODE
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FLAGS_R2CB=$(RDFT_FLAGS_COMMON) -sign 1
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FLAGS_HB=$(RDFT_FLAGS_COMMON) -sign 1
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FLAGS_HB2=$(RDFT_FLAGS_COMMON) -sign 1 -twiddle-log3 -precompute-twiddles
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FLAGS_HC2CB=$(RDFT_FLAGS_COMMON) -sign 1
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FLAGS_HC2CB2=$(RDFT_FLAGS_COMMON) -sign 1 -twiddle-log3 -precompute-twiddles
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FLAGS_R2CBIII=$(RDFT_FLAGS_COMMON) -sign 1
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r2cb_%.c: $(CODELET_DEPS) $(GEN_R2CB)
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($(PRELUDE_COMMANDS_RDFT); $(TWOVERS) $(GEN_R2CB) $(FLAGS_R2CB) -n $* -name r2cb_$* -include "rdft/scalar/r2cb.h") | $(ADD_DATE) | $(INDENT) >$@
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hb_%.c: $(CODELET_DEPS) $(GEN_HC2HC)
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($(PRELUDE_COMMANDS_RDFT); $(TWOVERS) $(GEN_HC2HC) $(FLAGS_HB) -n $* -dif -name hb_$* -include "rdft/scalar/hb.h") | $(ADD_DATE) | $(INDENT) >$@
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hb2_%.c: $(CODELET_DEPS) $(GEN_HC2HC)
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($(PRELUDE_COMMANDS_RDFT); $(TWOVERS) $(GEN_HC2HC) $(FLAGS_HB2) -n $* -dif -name hb2_$* -include "rdft/scalar/hb.h") | $(ADD_DATE) | $(INDENT) >$@
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r2cbIII_%.c: $(CODELET_DEPS) $(GEN_R2CB)
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($(PRELUDE_COMMANDS_RDFT); $(TWOVERS) $(GEN_R2CB) $(FLAGS_R2CB) -n $* -name r2cbIII_$* -dft-III -include "rdft/scalar/r2cbIII.h") | $(ADD_DATE) | $(INDENT) >$@
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hc2cb_%.c: $(CODELET_DEPS) $(GEN_HC2C)
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($(PRELUDE_COMMANDS_RDFT); $(TWOVERS) $(GEN_HC2C) $(FLAGS_HC2CB) -n $* -dif -name hc2cb_$* -include "rdft/scalar/hc2cb.h") | $(ADD_DATE) | $(INDENT) >$@
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hc2cb2_%.c: $(CODELET_DEPS) $(GEN_HC2C)
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($(PRELUDE_COMMANDS_RDFT); $(TWOVERS) $(GEN_HC2C) $(FLAGS_HC2CB2) -n $* -dif -name hc2cb2_$* -include "rdft/scalar/hc2cb.h") | $(ADD_DATE) | $(INDENT) >$@
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hc2cbdft_%.c: $(CODELET_DEPS) $(GEN_HC2CDFT)
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($(PRELUDE_COMMANDS_RDFT); $(TWOVERS) $(GEN_HC2CDFT) $(FLAGS_HC2CB) -n $* -dif -name hc2cbdft_$* -include "rdft/scalar/hc2cb.h") | $(ADD_DATE) | $(INDENT) >$@
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hc2cbdft2_%.c: $(CODELET_DEPS) $(GEN_HC2CDFT)
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($(PRELUDE_COMMANDS_RDFT); $(TWOVERS) $(GEN_HC2CDFT) $(FLAGS_HC2CB) -n $* -dif -name hc2cbdft2_$* -include "rdft/scalar/hc2cb.h") | $(ADD_DATE) | $(INDENT) >$@
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endif # MAINTAINER_MODE
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