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.
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
36 aux
:= setfpucw fpu_control
38 # Build the -lm library.
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 \
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
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 \
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
)
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
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
118 type-float-suffix
:= f
119 type-float-routines
:= k_rem_pio2f
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
)
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 \
161 (echo
'/* GNU ld script'; echo
'*/';\
163 echo
'GROUP ( $(slibdir)/libm.so$(libm.so-version) ' \
164 'AS_NEEDED ( $(libdir)/libmvec_nonshared.a $(slibdir)/libmvec.so$(libmvec.so-version) ) )' \
168 $(inst_libdir
)/libm-
$(version
).a
: $(objpfx
)libm.a \
172 $(inst_libdir
)/libm.a
: $(common-objpfx
)format.lds \
173 $(inst_libdir
)/libm-
$(version
).a \
174 $(objpfx
)..
/mathvec
/libmvec.a \
176 (echo
'/* GNU ld script'; echo
'*/';\
178 echo
'GROUP ( $(libdir)/libm-$(version).a $(libdir)/libmvec.a )' \
183 # Rules for the test suite.
184 tests
= test-matherr-3 test-fenv 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
204 tests-internal
= test-matherr test-matherr-2
206 # These tests use internal (unexported) GMP functions and are linked
207 # statically to obtain access to these functions.
208 tests-static
+= atest-exp atest-sincos atest-exp2
211 tests
+= test-math-isinff test-math-iszero
215 libm-vec-tests
= $(addprefix test-
,$(libmvec-tests
))
216 libm-test-support
= $(foreach t
,$(types
),libm-test-support-
$(t
))
217 test-extras
+= $(libm-test-support
)
218 extra-test-objs
+= $(addsuffix .o
, $(libm-test-support
))
219 libm-vec-test-wrappers
= $(addsuffix -wrappers
, $(libm-vec-tests
))
220 test-extras
+= $(libm-vec-test-wrappers
)
221 extra-test-objs
+= $(addsuffix .o
, $(libm-vec-test-wrappers
))
223 ulps-file
= $(firstword $(wildcard $(sysdirs
:%=%/libm-test-ulps
)))
225 $(objpfx
)libm-test-ulps.h
: $(ulps-file
) gen-libm-test.pl
226 $(make-target-directory
)
227 $(PERL
) gen-libm-test.pl
-u
$< -H
$@
229 libm-test-funcs-auto
= acos acosh asin asinh atan atan2 atanh cabs cacos \
230 cacosh carg casin casinh catan catanh cbrt ccos ccosh \
231 cexp clog clog10 cos cosh cpow csin csinh csqrt ctan \
232 ctanh erf erfc exp exp10 exp2 expm1 fma hypot j0 j1 jn \
233 lgamma log log10 log1p log2 pow sin sincos sinh sqrt \
234 tan tanh tgamma y0 y1 yn
235 libm-test-funcs-noauto
= canonicalize ceil cimag conj copysign cproj creal \
236 fabs fdim floor fmax fmaxmag fmin fminmag fmod \
237 fpclassify frexp fromfp fromfpx getpayload ilogb \
238 iscanonical iseqsig isfinite isgreater \
239 isgreaterequal isinf isless islessequal \
240 islessgreater isnan isnormal issignaling issubnormal \
241 isunordered iszero llogb llrint llround logb lrint \
242 lround modf nearbyint nextafter nextdown nexttoward \
243 nextup remainder remquo rint round roundeven scalb \
244 scalbln scalbn setpayload setpayloadsig signbit \
245 significand totalorder totalordermag trunc ufromfp \
247 libm-test-funcs-all
= $(libm-test-funcs-auto
) $(libm-test-funcs-noauto
)
248 libm-test-c-auto
= $(foreach f
,$(libm-test-funcs-auto
),libm-test-
$(f
).c
)
249 libm-test-c-noauto
= $(foreach f
,$(libm-test-funcs-noauto
),libm-test-
$(f
).c
)
250 generated
+= libm-test-ulps.h
$(libm-test-c-auto
) $(libm-test-c-noauto
)
252 libm-tests-base-normal
= $(foreach t
,$(types
),test-
$(t
))
253 libm-tests-base-finite
= $(foreach t
,$(types
),test-
$(t
)-finite
)
254 libm-tests-base-inline
= $(foreach t
,$(types
),test-i
$(t
))
255 libm-tests-base
= $(libm-tests-base-normal
) $(libm-tests-base-finite
) \
256 $(libm-tests-base-inline
) $(libm-vec-tests
)
257 libm-tests-normal
= $(foreach t
,$(libm-tests-base-normal
),\
258 $(foreach f
,$(libm-test-funcs-all
),\
260 libm-tests-finite
= $(foreach t
,$(libm-tests-base-finite
),\
261 $(foreach f
,$(libm-test-funcs-all
),\
263 libm-tests-inline
= $(foreach t
,$(libm-tests-base-inline
),\
264 $(foreach f
,$(libm-test-funcs-all
),\
266 libm-tests-vector
= $(foreach t
,$(libmvec-tests
),\
267 $(foreach f
,$($(t
)-funcs
),test-
$(t
)-$(f
)))
268 libm-tests
= $(libm-tests-normal
) $(libm-tests-finite
) $(libm-tests-inline
) \
270 libm-tests-for-type
= $(foreach f
,$(libm-test-funcs-all
),\
271 test-
$(1)-$(f
) test-
$(1)-finite-
$(f
) \
273 $(filter test-
$(1)-%,$(libm-tests-vector
))
275 libm-tests.o
= $(addsuffix .o
,$(libm-tests
))
277 tests
+= $(libm-tests
)
278 generated
+= $(addsuffix .c
,$(libm-tests
)) \
279 $(foreach t
,$(types
),libm-test-support-
$(t
).c
)
281 libm-test-c-auto-obj
= $(addprefix $(objpfx
),$(libm-test-c-auto
))
282 libm-test-c-noauto-obj
= $(addprefix $(objpfx
),$(libm-test-c-noauto
))
284 $(libm-test-c-noauto-obj
): $(objpfx
)libm-test
%.c
: libm-test
%.inc \
286 $(make-target-directory
)
287 $(PERL
) gen-libm-test.pl
-c
$< -a
/dev
/null
-C
$@
289 $(libm-test-c-auto-obj
): $(objpfx
)libm-test
%.c
: libm-test
%.inc \
292 $(make-target-directory
)
293 $(PERL
) gen-libm-test.pl
-c
$< -a auto-libm-test-out
$* -C
$@
295 libm-test-incs
= $(foreach f
,$(libm-test-funcs-all
),libm-test-
$(f
).inc
)
299 tests
+= test-tgmath3
300 generated
+= test-tgmath3.c
301 CFLAGS-test-tgmath3.c
= -fno-builtin
303 $(objpfx
)test-tgmath3.c
: gen-tgmath-tests.py
307 libm-test-fast-math-cflags
= -fno-builtin
-D__FAST_MATH__
-DTEST_FAST_MATH
308 libm-test-vec-cflags
= $(libm-test-fast-math-cflags
) -fno-inline \
309 -ffloat-store
-D_OPENMP
=201307 -Wno-unknown-pragmas
311 CFLAGS-test-double-vlen4-wrappers.c
= $(double-vlen4-arch-ext-cflags
)
313 CFLAGS-test-double-vlen8-wrappers.c
= $(double-vlen8-arch-ext-cflags
)
315 CFLAGS-test-float-vlen8-wrappers.c
= $(float-vlen8-arch-ext-cflags
)
317 CFLAGS-test-float-vlen16-wrappers.c
= $(float-vlen16-arch-ext-cflags
)
319 # The no-inline tests use -fsignaling-nans, and thereby use the
320 # versions of classification macros that support sNaNs. The inline
321 # function tests use the versions of classification macros that may
322 # raise spurious exceptions for sNaNs, but also do not test for
323 # exceptions. Thus both versions of the classification macros are
325 libm-test-no-inline-cflags
= -fno-inline
-ffloat-store
-fno-builtin \
327 libm-test-finite-cflags
= $(libm-test-no-inline-cflags
) \
328 -U__FINITE_MATH_ONLY__
-D__FINITE_MATH_ONLY__
=1
329 libm-test-inline-cflags
= $(libm-test-fast-math-cflags
)
330 CFLAGS-test-tgmath.c
= -fno-builtin
331 # The following testcase uses very long lines (>3 million), so it may take a
332 # while to compile it. See: http://llvm.org/bugs/show_bug.cgi?id=14106 and
333 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54402
334 CFLAGS-test-tgmath2.c
= -fno-builtin
335 CFLAGS-test-tgmath-ret.c
= -fno-builtin
336 CFLAGS-test-powl.c
= -fno-builtin
338 CFLAGS-test-snan.c
= -fsignaling-nans
340 CFLAGS-test-signgam-finite.c
= -ffinite-math-only
341 CFLAGS-test-signgam-finite-c99.c
= -ffinite-math-only
-std
=c99
342 CFLAGS-test-signgam-finite-c11.c
= -ffinite-math-only
-std
=c11
343 CFLAGS-test-signgam-uchar.c
= -std
=c99
344 CFLAGS-test-signgam-uchar-init.c
= -std
=c99
345 CFLAGS-test-signgam-uchar-static.c
= -std
=c99
346 CFLAGS-test-signgam-uchar-init-static.c
= -std
=c99
347 CFLAGS-test-signgam-uint.c
= -std
=c99
348 CFLAGS-test-signgam-uint-init.c
= -std
=c99
349 CFLAGS-test-signgam-uint-static.c
= -std
=c99
350 CFLAGS-test-signgam-uint-init-static.c
= -std
=c99
351 CFLAGS-test-signgam-ullong.c
= -std
=c99
352 CFLAGS-test-signgam-ullong-init.c
= -std
=c99
353 CFLAGS-test-signgam-ullong-static.c
= -std
=c99
354 CFLAGS-test-signgam-ullong-init-static.c
= -std
=c99
356 CFLAGS-test-math-isinff.
cc = -std
=gnu
++11
357 CFLAGS-test-math-iszero.
cc = -std
=gnu
++11
359 CFLAGS-test-iszero-excess-precision.c
= -fexcess-precision
=standard
360 CFLAGS-test-iseqsig-excess-precision.c
= -fexcess-precision
=standard
361 CFLAGS-test-flt-eval-method.c
= -fexcess-precision
=standard
363 CFLAGS-test-fe-snans-always-signal.c
= -fsignaling-nans
367 gen-all-calls
= $(gen-libm-calls
) $(gen-calls
)
369 generated
+= $(addsuffix .c
,$(call type-foreach
,$(gen-all-calls
))) \
370 gen-libm-templates.stmp
372 # Create wrappers in the math build directory.
373 $(objpfx
)gen-libm-templates.stmp
: Makefile
374 $(make-target-directory
)
375 for gcall in
$(gen-all-calls
); do \
376 func
=$${gcall
%F
*}$${gcall
#*F}; \
377 for type in
$(foreach t
,$(types
),$(t
)__
$(type-
$(t
)-suffix)); do \
380 file
=$(objpfx
)$${gcall
%F
*}$${suff}$${gcall
#*F}.c; \
382 echo
"#include <math-type-macros-$${type}.h>"; \
383 echo
"#include <$${func}_template.c>"; \
389 # Add dependency to ensure the generator runs prior.
390 $(foreach t
, $(call type-foreach
, $(gen-all-calls
)), \
391 $(objpfx
)$(t
).c
): $(objpfx
)gen-libm-templates.stmp
394 # This must come after the inclusion of sysdeps Makefiles via Rules.
396 $(foreach t
,$(libm-tests-normal
),$(objpfx
)$(t
).c
): $(objpfx
)test-
%.c
:
398 type
=$${type_func
%%-*}; \
399 func
=$${type_func
#*-}; \
401 echo
"#include <test-$$type.h>"; \
402 echo
"#include <test-math-no-finite.h>"; \
403 echo
"#include <test-math-no-inline.h>"; \
404 echo
"#include <test-math-errno.h>"; \
405 echo
"#include <test-math-scalar.h>"; \
406 echo
"#include <libm-test-$$func.c>"; \
409 $(foreach t
,$(libm-tests-finite
),$(objpfx
)$(t
).c
): $(objpfx
)test-
%.c
:
411 type
=$${type_func
%%-*}; \
412 func
=$${type_func
#*-finite-}; \
414 echo
"#include <test-$$type.h>"; \
415 echo
"#include <test-math-finite.h>"; \
416 echo
"#include <test-math-no-inline.h>"; \
417 echo
"#include <test-math-scalar.h>"; \
418 echo
"#include <libm-test-$$func.c>"; \
421 $(foreach t
,$(libm-tests-inline
),$(objpfx
)$(t
).c
): $(objpfx
)test-i
%.c
:
423 type
=$${type_func
%%-*}; \
424 func
=$${type_func
#*-}; \
426 echo
"#include <test-$$type.h>"; \
427 echo
"#include <test-math-inline.h>"; \
428 echo
"#include <test-math-scalar.h>"; \
429 echo
"#include <libm-test-$$func.c>"; \
432 $(foreach t
,$(libm-tests-vector
),$(objpfx
)$(t
).c
): $(objpfx
)test-
%.c
:
434 type
=$${type_func
%-*}; \
435 func
=$${type_func
##*-}; \
436 func_args
=$$(grep ALL_RM_TEST libm-test-
$$func.inc \
437 | sed
's/.*RUN_TEST_LOOP_//;s/_.*//'); \
439 echo
"#include <test-$$type.h>"; \
440 echo
"WRAPPER_DECL_$$func_args (WRAPPER_NAME (FUNC ($$func)))"; \
441 echo
"#include <libm-test-$$func.c>"; \
444 $(foreach t
,$(types
),\
445 $(objpfx
)libm-test-support-
$(t
).c
): $(objpfx
)libm-test-support-
%.c
:
447 echo
"#include <test-$*.h>"; \
448 echo
"#include <libm-test-support.c>"; \
451 $(addprefix $(objpfx
), $(libm-tests.o
)): $(objpfx
)libm-test-ulps.h
453 define o-iterator-doit
454 $(foreach f
,$(libm-test-funcs-all
),\
455 $(objpfx
)$(o
)-$(f
).o
): $(objpfx
)$(o
)%.o
: $(objpfx
)libm-test
%.c
457 object-suffixes-left
:= $(libm-tests-base
)
458 include $(o-iterator
)
460 define o-iterator-doit
461 $(foreach f
,$(libm-test-funcs-all
),\
462 $(objpfx
)$(o
)-$(f
).o
): CFLAGS
+= $(libm-test-no-inline-cflags
)
464 object-suffixes-left
:= $(libm-tests-base-normal
)
465 include $(o-iterator
)
467 define o-iterator-doit
468 $(foreach f
,$(libm-test-funcs-all
),\
469 $(objpfx
)$(o
)-$(f
).o
): CFLAGS
+= $(libm-test-finite-cflags
)
471 object-suffixes-left
:= $(libm-tests-base-finite
)
472 include $(o-iterator
)
474 define o-iterator-doit
475 $(foreach f
,$(libm-test-funcs-all
),\
476 $(objpfx
)$(o
)-$(f
).o
): CFLAGS
+= $(libm-test-inline-cflags
)
478 object-suffixes-left
:= $(libm-tests-base-inline
)
479 include $(o-iterator
)
481 define o-iterator-doit
482 $(foreach f
,$($(o
)-funcs
),\
483 $(objpfx
)test-
$(o
)-$(f
).o
): CFLAGS
+= $(libm-test-vec-cflags
)
485 object-suffixes-left
:= $(libmvec-tests
)
486 include $(o-iterator
)
488 define o-iterator-doit
489 $(addprefix $(objpfx
),\
490 $(call libm-tests-for-type
,$(o
))): $(objpfx
)libm-test-support-
$(o
).o
492 object-suffixes-left
:= $(types
)
493 include $(o-iterator
)
495 define o-iterator-doit
496 $(objpfx
)libm-test-support-
$(o
).o
: CFLAGS
+= $(libm-test-no-inline-cflags
)
498 object-suffixes-left
:= $(types
)
499 include $(o-iterator
)
501 # Run the math programs to automatically generate ULPs files.
504 run-regen-ulps
= $(test-wrapper-env
) \
506 $($*-ENV
) $(rtld-prefix
) $${run}
508 regen-ulps
: $(addprefix $(objpfx
),$(libm-tests
))
509 rm -f
$(objpfx
)ULPs
; rm -f
$(objpfx
)NewUlps
; \
510 cp
$(ulps-file
) $(objpfx
)libm-test-ulps
; \
512 echo
"Regenerating ULPs for $${run}"; \
513 $(run-regen-ulps
) -u
-o
$(objpfx
); \
514 cat
$(objpfx
)ULPs
>> $(objpfx
)libm-test-ulps
; \
517 $(PERL
) gen-libm-test.pl
-n
$(objpfx
)NewUlps \
518 -u
$(objpfx
)libm-test-ulps
; \
519 echo
"Automatic regeneration of ULPs complete."; \
520 echo
"Difference between the current baseline and the new baseline is:";\
521 diff
-urN
$(ulps-file
) $(objpfx
)NewUlps
; \
522 echo
"Copy $(objpfx)NewUlps to $(ulps-file) (relative to source)."
525 @echo
"Automatic regeneration of ULPs requires perl."; \
529 # The generated sysd-rules file defines rules like this for sources
530 # coming from sysdeps/ directories. These rules find the generic sources.
531 define o-iterator-doit
532 $(objpfx
)m_
%$o: s_
%.c
$(before-compile
); $$(compile-command.c
)
534 object-suffixes-left
:= $(all-object-suffixes
)
535 include $(o-iterator
)
537 # Likewise, for those generated files shared with libc.
538 define o-iterator-doit
539 $(objpfx
)m_
%$o: $(objpfx
)s_
%.c
$(before-compile
); $$(compile-command.c
)
541 object-suffixes-left
:= $(all-object-suffixes
)
542 include $(o-iterator
)
544 # We don't want the fdlibm code to use the inline math functions,
545 # only the fdlibm code.
546 math-CPPFLAGS
+= -D__NO_MATH_INLINES
-D__LIBC_INTERNAL_MATH_INLINES
548 ifneq ($(long-double-fcts
),yes
)
549 # The `double' and `long double' types are the same on this machine.
550 # We won't compile the `long double' code at all. Tell the `double' code
551 # to define aliases for the `FUNCl' names. To avoid type conflicts in
552 # defining those aliases, tell <math.h> to declare the `FUNCl' names with
553 # `double' instead of `long double'.
554 math-CPPFLAGS
+= -DNO_LONG_DOUBLE
-D_Mlong_double_
=double
557 # These files quiet sNaNs in a way that is optimized away without
559 CFLAGS-s_modf.c
+= -fsignaling-nans
560 CFLAGS-s_modff.c
+= -fsignaling-nans
561 CFLAGS-s_modfl.c
+= -fsignaling-nans
562 CFLAGS-s_modff128.c
+= -fsignaling-nans
564 $(addprefix $(objpfx
),\
565 $(filter-out $(tests-static
) $(libm-tests-vector
),\
566 $(tests
) $(tests-internal
))): $(libm
)
567 $(addprefix $(objpfx
),$(tests-static
)): $(objpfx
)libm.a
568 define o-iterator-doit
569 $(foreach f
,$($(o
)-funcs
),\
570 $(objpfx
)test-
$(o
)-$(f
)): $(objpfx
)test-
$(o
)-wrappers.o \
573 object-suffixes-left
:= $(libmvec-tests
)
574 include $(o-iterator
)
576 $(objpfx
)test-fenv-tls
: $(shared-thread-library
)