float128: Add strtof128, wcstof128, and related functions.
[glibc.git] / math / Makefile
blob9aca4e04ecd2f37c2455fb2956646a393edbc912
1 # Copyright (C) 1996-2017 Free Software Foundation, Inc.
2 # This file is part of the GNU C Library.
4 # The GNU C Library is free software; you can redistribute it and/or
5 # modify it under the terms of the GNU Lesser General Public
6 # License as published by the Free Software Foundation; either
7 # version 2.1 of the License, or (at your option) any later version.
9 # The GNU C Library is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 # Lesser General Public License for more details.
14 # You should have received a copy of the GNU Lesser General Public
15 # License along with the GNU C Library; if not, see
16 # <http://www.gnu.org/licenses/>.
18 # Makefile for the math library.
20 subdir := math
22 include ../Makeconfig
24 # Installed header files.
25 headers := math.h bits/mathcalls.h bits/mathinline.h bits/huge_val.h \
26 bits/huge_valf.h bits/huge_vall.h bits/inf.h bits/nan.h \
27 fpu_control.h complex.h bits/cmathcalls.h fenv.h \
28 bits/fenv.h bits/fenvinline.h bits/mathdef.h tgmath.h \
29 bits/math-finite.h bits/math-vector.h \
30 bits/libm-simd-decl-stubs.h bits/iscanonical.h \
31 bits/flt-eval-method.h bits/fp-fast.h bits/fp-logb.h \
32 bits/long-double.h bits/mathcalls-helper-functions.h \
33 bits/floatn.h bits/huge_val_flt128.h
35 # FPU support code.
36 aux := setfpucw fpu_control
38 # Build the -lm library.
40 extra-libs := libm
41 extra-libs-others = $(extra-libs)
43 libm-support = s_lib_version s_matherr s_signgam \
44 fclrexcpt fgetexcptflg fraiseexcpt fsetexcptflg \
45 ftestexcept fegetround fesetround fegetenv feholdexcpt \
46 fesetenv feupdateenv t_exp fedisblxcpt feenablxcpt \
47 fegetexcept fesetexcept fetestexceptflag fegetmode \
48 fesetmode
50 # Wrappers for these functions generated per type using a file named
51 # <func>_template.c and the appropriate math-type-macros-<TYPE>.h.
52 gen-libm-calls = cargF conjF cimagF crealF cabsF s_cacosF \
53 s_cacoshF s_ccosF s_ccoshF s_casinF s_csinF s_casinhF \
54 k_casinhF s_csinhF k_casinhF s_csinhF s_catanhF s_catanF \
55 s_ctanF s_ctanhF s_cexpF s_clogF s_cprojF s_csqrtF \
56 s_cpowF s_clog10F s_fdimF s_nextdownF s_fmaxF s_fminF \
57 s_nanF s_iseqsigF s_canonicalizeF w_ilogbF w_llogbF \
58 w_log1pF w_scalblnF s_fmaxmagF s_fminmagF w_acosF \
59 w_acoshF w_asinF w_atan2F w_atanhF w_coshF w_exp10F \
60 w_exp2F w_fmodF w_hypotF w_j0F w_j1F w_jnF w_logF \
61 w_log10F w_log2F w_powF w_remainderF w_sinhF w_sqrtF \
62 w_tgammaF w_lgammaF w_lgammaF_r w_expF e_exp2F
64 libm-calls = \
65 e_acosF e_acoshF e_asinF e_atan2F e_atanhF e_coshF e_expF e_fmodF \
66 e_hypotF e_j0F e_j1F e_jnF e_lgammaF_r e_logF e_log10F e_powF \
67 e_rem_pio2F e_remainderF e_scalbF e_sinhF e_sqrtF e_gammaF_r \
68 e_ilogbF \
69 k_cosF k_sinF k_tanF s_asinhF s_atanF s_cbrtF \
70 s_ceilF s_cosF s_erfF s_expm1F s_fabsF \
71 s_floorF s_log1pF s_logbF \
72 s_nextafterF s_nexttowardF s_rintF s_scalblnF \
73 s_significandF s_sinF s_tanF s_tanhF \
74 s_fpclassifyF s_truncF \
75 s_remquoF e_log2F s_roundF s_nearbyintF s_sincosF \
76 s_fmaF s_lrintF s_llrintF s_lroundF s_llroundF e_exp10F \
77 s_issignalingF $(calls:s_%=m_%) x2y2m1F \
78 gamma_productF lgamma_negF lgamma_productF \
79 s_nextupF s_totalorderF s_totalordermagF s_getpayloadF \
80 s_setpayloadF s_setpayloadsigF s_roundevenF s_fromfpF s_ufromfpF \
81 s_fromfpxF s_ufromfpxF $(gen-libm-calls)
83 libm-compat-calls = \
84 w_acosF_compat w_acoshF_compat w_asinF_compat w_atan2F_compat \
85 w_atanhF_compat w_coshF_compat w_exp2F_compat w_exp10F_compat \
86 w_fmodF_compat w_hypotF_compat w_j0F_compat w_j1F_compat \
87 w_jnF_compat w_log2F_compat w_log10F_compat w_logF_compat \
88 w_powF_compat w_remainderF_compat w_scalbF_compat \
89 w_sinhF_compat w_sqrtF_compat w_tgammaF_compat \
90 w_lgammaF_r_compat w_lgammaF_compat2 w_expF_compat \
91 w_lgamma_compatF k_standardF
93 # Type specific routine support.
95 # The following three variables control what is included for each type:
97 # type-floatN-suffix = The suffix of the type
98 # type-floatN-routines = Type specific support objects
99 # type-floatN-yes = If the type is supported, evaluates to floatN
101 # Finally, note that types is an intentionally recursive variable.
102 # We only know the full set of supported types for the target machine
103 # after the Rules makefile has been parsed.
104 types-basic = $(type-ldouble-$(long-double-fcts)) double float
106 # long double support
107 type-ldouble-suffix := l
108 type-ldouble-routines := t_sincosl k_sincosl s_iscanonicall
109 type-ldouble-yes := ldouble
111 # double support
112 type-double-suffix :=
113 type-double-routines := branred doasin dosincos halfulp mpa mpatan2 \
114 mpatan mpexp mplog mpsqrt mptan sincos32 slowexp \
115 slowpow sincostab k_rem_pio2
117 # float support
118 type-float-suffix := f
119 type-float-routines := k_rem_pio2f
121 # _Float128 support
122 type-float128-suffix := f128
123 type-float128-routines := t_sincosf128 k_sincosf128
124 type-float128-yes := float128
125 types = $(types-basic) $(type-float128-$(float128-fcts))
127 # For each of the basic types (float, double, long double), replace the
128 # occurrences of 'F' in arg 1 with the appropriate suffix for the type.
129 type-basic-foreach = $(foreach t, $(types-basic), \
130 $(subst F,$(type-$(t)-suffix),$(1)))
132 # Apply suffix to each type in arg 1
133 type-foreach = $(foreach t,$(types),$(subst F,$(type-$(t)-suffix),$(1)))
135 libm-routines = $(strip $(libm-support) \
136 $(call type-basic-foreach, \
137 $(libm-compat-calls)) \
138 $(call type-foreach, $(libm-calls)) \
139 $(foreach t, $(types), $(type-$(t)-routines))) \
141 # These functions are in libc instead of libm because __printf_fp
142 # calls them, so any program using printf will need them linked in,
143 # and we don't want to have to link every program with -lm.
144 # In libm-calls (above), list m_foo in place of s_foo for any
145 # routine that should be compiled separately for its libc and libm versions.
146 calls = s_isinfF s_isnanF s_finiteF s_copysignF s_modfF s_scalbnF s_frexpF \
147 s_signbitF $(gen-calls)
148 gen-calls = s_ldexpF
149 generated += $(foreach s,.c .S,$(call type-foreach, $(calls:s_%=m_%$(s))))
150 routines = $(call type-foreach, $(calls))
152 ifeq ($(build-mathvec),yes)
153 # We need to install libm.so and libm.a as linker scripts
154 # for transparent use of vector math library.
155 install-lib-ldscripts := libm.so libm.a
156 install-others = $(inst_libdir)/libm.so $(inst_libdir)/libm.a
157 $(inst_libdir)/libm.so: $(common-objpfx)format.lds \
158 $(libm) \
159 $(libmvec) \
160 $(+force)
161 (echo '/* GNU ld script'; echo '*/';\
162 cat $<; \
163 echo 'GROUP ( $(slibdir)/libm.so$(libm.so-version) ' \
164 'AS_NEEDED ( $(libdir)/libmvec_nonshared.a $(slibdir)/libmvec.so$(libmvec.so-version) ) )' \
165 ) > $@.new
166 mv -f $@.new $@
168 $(inst_libdir)/libm-$(version).a: $(objpfx)libm.a \
169 $(+force)
170 $(do-install)
172 $(inst_libdir)/libm.a: $(common-objpfx)format.lds \
173 $(inst_libdir)/libm-$(version).a \
174 $(objpfx)../mathvec/libmvec.a \
175 $(+force)
176 (echo '/* GNU ld script'; echo '*/';\
177 cat $<; \
178 echo 'GROUP ( $(libdir)/libm-$(version).a $(libdir)/libmvec.a )' \
179 ) > $@.new
180 mv -f $@.new $@
181 endif
183 # Rules for the test suite.
184 tests = test-matherr test-fenv atest-exp atest-sincos atest-exp2 basic-test \
185 test-misc test-fpucw test-fpucw-ieee tst-definitions test-tgmath \
186 test-tgmath-ret bug-nextafter bug-nexttoward bug-tgmath1 \
187 test-tgmath-int test-tgmath2 test-powl tst-CMPLX tst-CMPLX2 test-snan \
188 test-fenv-tls test-fenv-preserve test-fenv-return test-fenvinline \
189 test-nearbyint-except test-fenv-clear test-signgam-finite \
190 test-signgam-finite-c99 test-signgam-finite-c11 \
191 test-nearbyint-except-2 test-signgam-uchar test-signgam-uchar-init \
192 test-signgam-uint test-signgam-uint-init test-signgam-ullong \
193 test-signgam-ullong-init test-nan-overflow test-nan-payload \
194 test-fexcept test-fexcept-traps test-fesetexcept \
195 test-fesetexcept-traps test-fetestexceptflag test-femode \
196 test-femode-traps test-iszero-excess-precision \
197 test-iseqsig-excess-precision test-flt-eval-method \
198 test-fp-ilogb-constants test-fp-llogb-constants \
199 test-fe-snans-always-signal $(tests-static)
200 tests-static = test-fpucw-static test-fpucw-ieee-static \
201 test-signgam-uchar-static test-signgam-uchar-init-static \
202 test-signgam-uint-static test-signgam-uint-init-static \
203 test-signgam-ullong-static test-signgam-ullong-init-static
205 ifneq (,$(CXX))
206 tests += test-math-isinff test-math-iszero
207 endif
209 ifneq (no,$(PERL))
210 libm-vec-tests = $(addprefix test-,$(libmvec-tests))
211 libm-test-support = $(foreach t,$(types),libm-test-support-$(t))
212 test-extras += $(libm-test-support)
213 extra-test-objs += $(addsuffix .o, $(libm-test-support))
214 libm-vec-test-wrappers = $(addsuffix -wrappers, $(libm-vec-tests))
215 test-extras += $(libm-vec-test-wrappers)
216 extra-test-objs += $(addsuffix .o, $(libm-vec-test-wrappers))
218 ulps-file = $(firstword $(wildcard $(sysdirs:%=%/libm-test-ulps)))
220 $(objpfx)libm-test-ulps.h: $(ulps-file) gen-libm-test.pl
221 $(make-target-directory)
222 $(PERL) gen-libm-test.pl -u $< -H $@
224 libm-test-funcs-auto = acos acosh asin asinh atan atan2 atanh cabs cacos \
225 cacosh carg casin casinh catan catanh cbrt ccos ccosh \
226 cexp clog clog10 cos cosh cpow csin csinh csqrt ctan \
227 ctanh erf erfc exp exp10 exp2 expm1 fma hypot j0 j1 jn \
228 lgamma log log10 log1p log2 pow sin sincos sinh sqrt \
229 tan tanh tgamma y0 y1 yn
230 libm-test-funcs-noauto = canonicalize ceil cimag conj copysign cproj creal \
231 fabs fdim floor fmax fmaxmag fmin fminmag fmod \
232 fpclassify frexp fromfp fromfpx getpayload ilogb \
233 iscanonical iseqsig isfinite isgreater \
234 isgreaterequal isinf isless islessequal \
235 islessgreater isnan isnormal issignaling issubnormal \
236 isunordered iszero llogb llrint llround logb lrint \
237 lround modf nearbyint nextafter nextdown nexttoward \
238 nextup remainder remquo rint round roundeven scalb \
239 scalbln scalbn setpayload setpayloadsig signbit \
240 significand totalorder totalordermag trunc ufromfp \
241 ufromfpx
242 libm-test-funcs-all = $(libm-test-funcs-auto) $(libm-test-funcs-noauto)
243 libm-test-c-auto = $(foreach f,$(libm-test-funcs-auto),libm-test-$(f).c)
244 libm-test-c-noauto = $(foreach f,$(libm-test-funcs-noauto),libm-test-$(f).c)
245 generated += libm-test-ulps.h $(libm-test-c-auto) $(libm-test-c-noauto)
247 libm-tests-base-normal = $(foreach t,$(types),test-$(t))
248 libm-tests-base-finite = $(foreach t,$(types),test-$(t)-finite)
249 libm-tests-base-inline = $(foreach t,$(types),test-i$(t))
250 libm-tests-base = $(libm-tests-base-normal) $(libm-tests-base-finite) \
251 $(libm-tests-base-inline) $(libm-vec-tests)
252 libm-tests-normal = $(foreach t,$(libm-tests-base-normal),\
253 $(foreach f,$(libm-test-funcs-all),\
254 $(t)-$(f)))
255 libm-tests-finite = $(foreach t,$(libm-tests-base-finite),\
256 $(foreach f,$(libm-test-funcs-all),\
257 $(t)-$(f)))
258 libm-tests-inline = $(foreach t,$(libm-tests-base-inline),\
259 $(foreach f,$(libm-test-funcs-all),\
260 $(t)-$(f)))
261 libm-tests-vector = $(foreach t,$(libmvec-tests),\
262 $(foreach f,$($(t)-funcs),test-$(t)-$(f)))
263 libm-tests = $(libm-tests-normal) $(libm-tests-finite) $(libm-tests-inline) \
264 $(libm-tests-vector)
265 libm-tests-for-type = $(foreach f,$(libm-test-funcs-all),\
266 test-$(1)-$(f) test-$(1)-finite-$(f) \
267 test-i$(1)-$(f)) \
268 $(filter test-$(1)-%,$(libm-tests-vector))
270 libm-tests.o = $(addsuffix .o,$(libm-tests))
272 tests += $(libm-tests)
273 generated += $(addsuffix .c,$(libm-tests)) \
274 $(foreach t,$(types),libm-test-support-$(t).c)
276 libm-test-c-auto-obj = $(addprefix $(objpfx),$(libm-test-c-auto))
277 libm-test-c-noauto-obj = $(addprefix $(objpfx),$(libm-test-c-noauto))
279 $(libm-test-c-noauto-obj): $(objpfx)libm-test%.c: libm-test%.inc \
280 gen-libm-test.pl
281 $(make-target-directory)
282 $(PERL) gen-libm-test.pl -c $< -a /dev/null -C $@
284 $(libm-test-c-auto-obj): $(objpfx)libm-test%.c: libm-test%.inc \
285 gen-libm-test.pl \
286 auto-libm-test-out%
287 $(make-target-directory)
288 $(PERL) gen-libm-test.pl -c $< -a auto-libm-test-out$* -C $@
290 libm-test-incs = $(foreach f,$(libm-test-funcs-all),libm-test-$(f).inc)
291 endif
293 libm-test-fast-math-cflags = -fno-builtin -D__FAST_MATH__ -DTEST_FAST_MATH
294 libm-test-vec-cflags = $(libm-test-fast-math-cflags) -fno-inline \
295 -ffloat-store -D_OPENMP=201307 -Wno-unknown-pragmas
297 CFLAGS-test-double-vlen4-wrappers.c = $(double-vlen4-arch-ext-cflags)
299 CFLAGS-test-double-vlen8-wrappers.c = $(double-vlen8-arch-ext-cflags)
301 CFLAGS-test-float-vlen8-wrappers.c = $(float-vlen8-arch-ext-cflags)
303 CFLAGS-test-float-vlen16-wrappers.c = $(float-vlen16-arch-ext-cflags)
305 # The no-inline tests use -fsignaling-nans, and thereby use the
306 # versions of classification macros that support sNaNs. The inline
307 # function tests use the versions of classification macros that may
308 # raise spurious exceptions for sNaNs, but also do not test for
309 # exceptions. Thus both versions of the classification macros are
310 # validated.
311 libm-test-no-inline-cflags = -fno-inline -ffloat-store -fno-builtin \
312 -fsignaling-nans
313 libm-test-finite-cflags = $(libm-test-no-inline-cflags) \
314 -U__FINITE_MATH_ONLY__ -D__FINITE_MATH_ONLY__=1
315 libm-test-inline-cflags = $(libm-test-fast-math-cflags)
316 CFLAGS-test-tgmath.c = -fno-builtin
317 # The following testcase uses very long lines (>3 million), so it may take a
318 # while to compile it. See: http://llvm.org/bugs/show_bug.cgi?id=14106 and
319 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54402
320 CFLAGS-test-tgmath2.c = -fno-builtin
321 CFLAGS-test-tgmath-ret.c = -fno-builtin
322 CFLAGS-test-powl.c = -fno-builtin
324 CFLAGS-test-snan.c = -fsignaling-nans
326 CFLAGS-test-signgam-finite.c = -ffinite-math-only
327 CFLAGS-test-signgam-finite-c99.c = -ffinite-math-only -std=c99
328 CFLAGS-test-signgam-finite-c11.c = -ffinite-math-only -std=c11
329 CFLAGS-test-signgam-uchar.c = -std=c99
330 CFLAGS-test-signgam-uchar-init.c = -std=c99
331 CFLAGS-test-signgam-uchar-static.c = -std=c99
332 CFLAGS-test-signgam-uchar-init-static.c = -std=c99
333 CFLAGS-test-signgam-uint.c = -std=c99
334 CFLAGS-test-signgam-uint-init.c = -std=c99
335 CFLAGS-test-signgam-uint-static.c = -std=c99
336 CFLAGS-test-signgam-uint-init-static.c = -std=c99
337 CFLAGS-test-signgam-ullong.c = -std=c99
338 CFLAGS-test-signgam-ullong-init.c = -std=c99
339 CFLAGS-test-signgam-ullong-static.c = -std=c99
340 CFLAGS-test-signgam-ullong-init-static.c = -std=c99
342 CFLAGS-test-math-isinff.cc = -std=gnu++11
343 CFLAGS-test-math-iszero.cc = -std=gnu++11
345 CFLAGS-test-iszero-excess-precision.c = -fexcess-precision=standard
346 CFLAGS-test-iseqsig-excess-precision.c = -fexcess-precision=standard
347 CFLAGS-test-flt-eval-method.c = -fexcess-precision=standard
349 CFLAGS-test-fe-snans-always-signal.c = -fsignaling-nans
351 # The -lieee module sets the _LIB_VERSION_ switch to IEEE mode
352 # for error handling in the -lm functions.
353 install-lib += libieee.a
354 non-lib.a += libieee.a
355 extra-objs += libieee.a ieee-math.o
357 include ../Rules
359 gen-all-calls = $(gen-libm-calls) $(gen-calls)
361 generated += $(addsuffix .c,$(call type-foreach,$(gen-all-calls))) \
362 gen-libm-templates.stmp
364 # Create wrappers in the math build directory.
365 $(objpfx)gen-libm-templates.stmp: Makefile
366 $(make-target-directory)
367 for gcall in $(gen-all-calls); do \
368 func=$${gcall%F*}$${gcall#*F}; \
369 for type in $(foreach t,$(types),$(t)__$(type-$(t)-suffix)); do \
370 suff=$${type#*__}; \
371 type=$${type%__*}; \
372 file=$(objpfx)$${gcall%F*}$${suff}$${gcall#*F}.c; \
374 echo "#include <math-type-macros-$${type}.h>"; \
375 echo "#include <$${func}_template.c>"; \
376 ) > $${file}; \
377 done; \
378 done; \
379 echo > $(@)
381 # Add dependency to ensure the generator runs prior.
382 $(foreach t, $(call type-foreach, $(gen-all-calls)), \
383 $(objpfx)$(t).c): $(objpfx)gen-libm-templates.stmp
385 ifneq (no,$(PERL))
386 # This must come after the inclusion of sysdeps Makefiles via Rules.
388 $(foreach t,$(libm-tests-normal),$(objpfx)$(t).c): $(objpfx)test-%.c:
389 type_func=$*; \
390 type=$${type_func%%-*}; \
391 func=$${type_func#*-}; \
393 echo "#include <test-$$type.h>"; \
394 echo "#include <test-math-no-finite.h>"; \
395 echo "#include <test-math-no-inline.h>"; \
396 echo "#include <test-math-errno.h>"; \
397 echo "#include <test-math-scalar.h>"; \
398 echo "#include <libm-test-$$func.c>"; \
399 ) > $@
401 $(foreach t,$(libm-tests-finite),$(objpfx)$(t).c): $(objpfx)test-%.c:
402 type_func=$*; \
403 type=$${type_func%%-*}; \
404 func=$${type_func#*-finite-}; \
406 echo "#include <test-$$type.h>"; \
407 echo "#include <test-math-finite.h>"; \
408 echo "#include <test-math-no-inline.h>"; \
409 echo "#include <test-math-scalar.h>"; \
410 echo "#include <libm-test-$$func.c>"; \
411 ) > $@
413 $(foreach t,$(libm-tests-inline),$(objpfx)$(t).c): $(objpfx)test-i%.c:
414 type_func=$*; \
415 type=$${type_func%%-*}; \
416 func=$${type_func#*-}; \
418 echo "#include <test-$$type.h>"; \
419 echo "#include <test-math-inline.h>"; \
420 echo "#include <test-math-scalar.h>"; \
421 echo "#include <libm-test-$$func.c>"; \
422 ) > $@
424 $(foreach t,$(libm-tests-vector),$(objpfx)$(t).c): $(objpfx)test-%.c:
425 type_func=$*; \
426 type=$${type_func%-*}; \
427 func=$${type_func##*-}; \
428 func_args=$$(grep ALL_RM_TEST libm-test-$$func.inc \
429 | sed 's/.*RUN_TEST_LOOP_//;s/_.*//'); \
431 echo "#include <test-$$type.h>"; \
432 echo "WRAPPER_DECL_$$func_args (WRAPPER_NAME (FUNC ($$func)))"; \
433 echo "#include <libm-test-$$func.c>"; \
434 ) > $@
436 $(foreach t,$(types),\
437 $(objpfx)libm-test-support-$(t).c): $(objpfx)libm-test-support-%.c:
439 echo "#include <test-$*.h>"; \
440 echo "#include <libm-test-support.c>"; \
441 ) > $@
443 $(addprefix $(objpfx), $(libm-tests.o)): $(objpfx)libm-test-ulps.h
445 define o-iterator-doit
446 $(foreach f,$(libm-test-funcs-all),\
447 $(objpfx)$(o)-$(f).o): $(objpfx)$(o)%.o: $(objpfx)libm-test%.c
448 endef
449 object-suffixes-left := $(libm-tests-base)
450 include $(o-iterator)
452 define o-iterator-doit
453 $(foreach f,$(libm-test-funcs-all),\
454 $(objpfx)$(o)-$(f).o): CFLAGS += $(libm-test-no-inline-cflags)
455 endef
456 object-suffixes-left := $(libm-tests-base-normal)
457 include $(o-iterator)
459 define o-iterator-doit
460 $(foreach f,$(libm-test-funcs-all),\
461 $(objpfx)$(o)-$(f).o): CFLAGS += $(libm-test-finite-cflags)
462 endef
463 object-suffixes-left := $(libm-tests-base-finite)
464 include $(o-iterator)
466 define o-iterator-doit
467 $(foreach f,$(libm-test-funcs-all),\
468 $(objpfx)$(o)-$(f).o): CFLAGS += $(libm-test-inline-cflags)
469 endef
470 object-suffixes-left := $(libm-tests-base-inline)
471 include $(o-iterator)
473 define o-iterator-doit
474 $(foreach f,$($(o)-funcs),\
475 $(objpfx)test-$(o)-$(f).o): CFLAGS += $(libm-test-vec-cflags)
476 endef
477 object-suffixes-left := $(libmvec-tests)
478 include $(o-iterator)
480 define o-iterator-doit
481 $(addprefix $(objpfx),\
482 $(call libm-tests-for-type,$(o))): $(objpfx)libm-test-support-$(o).o
483 endef
484 object-suffixes-left := $(types)
485 include $(o-iterator)
487 define o-iterator-doit
488 $(objpfx)libm-test-support-$(o).o: CFLAGS += $(libm-test-no-inline-cflags)
489 endef
490 object-suffixes-left := $(types)
491 include $(o-iterator)
493 # Run the math programs to automatically generate ULPs files.
494 .PHONY: regen-ulps
496 run-regen-ulps = $(test-wrapper-env) \
497 $(run-program-env) \
498 $($*-ENV) $(rtld-prefix) $${run}
500 regen-ulps: $(addprefix $(objpfx),$(libm-tests))
501 rm -f $(objpfx)ULPs; rm -f $(objpfx)NewUlps; \
502 cp $(ulps-file) $(objpfx)libm-test-ulps; \
503 for run in $^; do \
504 echo "Regenerating ULPs for $${run}"; \
505 $(run-regen-ulps) -u -o $(objpfx); \
506 cat $(objpfx)ULPs >> $(objpfx)libm-test-ulps; \
507 rm $(objpfx)ULPs; \
508 done; \
509 $(PERL) gen-libm-test.pl -n $(objpfx)NewUlps \
510 -u $(objpfx)libm-test-ulps; \
511 echo "Automatic regeneration of ULPs complete."; \
512 echo "Difference between the current baseline and the new baseline is:";\
513 diff -urN $(ulps-file) $(objpfx)NewUlps; \
514 echo "Copy $(objpfx)NewUlps to $(ulps-file) (relative to source)."
515 else
516 regen-ulps:
517 @echo "Automatic regeneration of ULPs requires perl."; \
518 exit 1;
519 endif
521 # The generated sysd-rules file defines rules like this for sources
522 # coming from sysdeps/ directories. These rules find the generic sources.
523 define o-iterator-doit
524 $(objpfx)m_%$o: s_%.c $(before-compile); $$(compile-command.c)
525 endef
526 object-suffixes-left := $(all-object-suffixes)
527 include $(o-iterator)
529 # Likewise, for those generated files shared with libc.
530 define o-iterator-doit
531 $(objpfx)m_%$o: $(objpfx)s_%.c $(before-compile); $$(compile-command.c)
532 endef
533 object-suffixes-left := $(all-object-suffixes)
534 include $(o-iterator)
536 # This file defines the default _LIB_VERSION variable that controls
537 # the error return conventions for the math functions.
538 CPPFLAGS-s_lib_version.c := -D_POSIX_MODE
540 # We don't want the fdlibm code to use the inline math functions,
541 # only the fdlibm code.
542 math-CPPFLAGS += -D__NO_MATH_INLINES -D__LIBC_INTERNAL_MATH_INLINES
544 ifneq ($(long-double-fcts),yes)
545 # The `double' and `long double' types are the same on this machine.
546 # We won't compile the `long double' code at all. Tell the `double' code
547 # to define aliases for the `FUNCl' names. To avoid type conflicts in
548 # defining those aliases, tell <math.h> to declare the `FUNCl' names with
549 # `double' instead of `long double'.
550 math-CPPFLAGS += -DNO_LONG_DOUBLE -D_Mlong_double_=double
551 endif
553 # These files quiet sNaNs in a way that is optimized away without
554 # -fsignaling-nans.
555 CFLAGS-s_modf.c += -fsignaling-nans
556 CFLAGS-s_modff.c += -fsignaling-nans
557 CFLAGS-s_modfl.c += -fsignaling-nans
558 CFLAGS-s_modff128.c += -fsignaling-nans
560 # The -lieee library is actually an object file.
561 # The module just defines the _LIB_VERSION_ variable.
562 # It's not a library to make sure it is linked in instead of s_lib_version.o.
563 $(objpfx)libieee.a: $(objpfx)ieee-math.o
564 rm -f $@
565 $(patsubst %/,cd % &&,$(objpfx)) \
566 $(LN_S) $(<F) $(@F)
568 $(addprefix $(objpfx),\
569 $(filter-out $(tests-static) $(libm-tests-vector),\
570 $(tests))): $(libm)
571 $(addprefix $(objpfx),$(tests-static)): $(objpfx)libm.a
572 define o-iterator-doit
573 $(foreach f,$($(o)-funcs),\
574 $(objpfx)test-$(o)-$(f)): $(objpfx)test-$(o)-wrappers.o \
575 $(libm) $(libmvec)
576 endef
577 object-suffixes-left := $(libmvec-tests)
578 include $(o-iterator)
580 gmp-objs = $(patsubst %,$(common-objpfx)stdlib/%.o,\
581 add_n sub_n cmp addmul_1 mul_1 mul_n divmod_1 \
582 lshift rshift mp_clz_tab udiv_qrnnd inlines \
583 $(gmp-sysdep_routines))
584 $(objpfx)atest-exp: $(gmp-objs)
585 $(objpfx)atest-sincos: $(gmp-objs)
586 $(objpfx)atest-exp2: $(gmp-objs)
587 $(objpfx)test-fenv-tls: $(shared-thread-library)