1# Copyright (C) 1996-2022 Free Software Foundation, Inc. 2# This file is part of the GNU C Library. 3 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. 8 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. 13 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# <https://www.gnu.org/licenses/>. 17 18# Makefile for the math library. 19 20subdir := math 21 22include ../Makeconfig 23 24# Installed header files. 25headers := math.h bits/mathcalls.h \ 26 fpu_control.h complex.h bits/cmathcalls.h fenv.h \ 27 bits/fenv.h bits/mathdef.h tgmath.h \ 28 bits/math-vector.h finclude/math-vector-fortran.h \ 29 bits/libm-simd-decl-stubs.h bits/iscanonical.h \ 30 bits/flt-eval-method.h bits/fp-fast.h bits/fp-logb.h \ 31 bits/long-double.h bits/mathcalls-helper-functions.h \ 32 bits/floatn.h bits/floatn-common.h bits/mathcalls-narrow.h 33 34# FPU support code. 35aux := setfpucw fpu_control 36 37# Build the -lm library. 38 39extra-libs := libm 40extra-libs-others = $(extra-libs) 41 42libm-support = s_lib_version s_matherr s_signgam \ 43 fclrexcpt fgetexcptflg fraiseexcpt fsetexcptflg \ 44 ftestexcept fegetround fesetround fegetenv feholdexcpt \ 45 fesetenv feupdateenv fedisblxcpt feenablxcpt \ 46 fegetexcept fesetexcept fetestexceptflag fegetmode \ 47 fesetmode 48 49# Wrappers for these functions generated per type using a file named 50# <func>_template.c and the appropriate math-type-macros-<TYPE>.h. 51gen-libm-calls = cargF conjF cimagF crealF cabsF e_scalbF s_cacosF \ 52 s_cacoshF s_ccosF s_ccoshF s_casinF s_csinF s_casinhF \ 53 k_casinhF s_csinhF k_casinhF s_csinhF s_catanhF s_catanF \ 54 s_ctanF s_ctanhF s_cexpF s_clogF s_cprojF s_csqrtF \ 55 s_cpowF s_clog10F s_fdimF s_nextdownF s_fmaxF s_fminF \ 56 s_nanF s_iseqsigF s_canonicalizeF s_significandF \ 57 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_scalbF \ 62 w_sinhF w_sqrtF \ 63 w_tgammaF w_lgammaF w_lgammaF_r w_expF e_exp2F \ 64 s_fmaximumF s_fmaximum_magF s_fmaximum_numF \ 65 s_fmaximum_mag_numF s_fminimumF s_fminimum_magF \ 66 s_fminimum_numF s_fminimum_mag_numF 67 68libm-calls = \ 69 e_acosF e_acoshF e_asinF e_atan2F e_atanhF e_coshF e_expF e_fmodF \ 70 e_hypotF e_j0F e_j1F e_jnF e_lgammaF_r e_logF e_log10F e_powF \ 71 e_remainderF e_sinhF e_sqrtF e_gammaF_r \ 72 e_ilogbF \ 73 k_tanF s_asinhF s_atanF s_cbrtF \ 74 s_ceilF s_cosF s_erfF s_expm1F s_fabsF \ 75 s_floorF s_log1pF s_logbF \ 76 s_nextafterF s_nexttowardF s_rintF s_scalblnF \ 77 s_sinF s_tanF s_tanhF \ 78 s_fpclassifyF s_truncF \ 79 s_remquoF e_log2F s_roundF s_nearbyintF s_sincosF \ 80 s_fmaF s_lrintF s_llrintF s_lroundF s_llroundF e_exp10F \ 81 s_issignalingF $(calls:s_%=m_%) x2y2m1F \ 82 gamma_productF lgamma_negF lgamma_productF \ 83 s_nextupF s_totalorderF s_totalordermagF s_getpayloadF \ 84 s_setpayloadF s_setpayloadsigF s_roundevenF s_fromfpF s_ufromfpF \ 85 s_fromfpxF s_ufromfpxF $(gen-libm-calls) 86 87libm-compat-calls = \ 88 w_acosF_compat w_acoshF_compat w_asinF_compat w_atan2F_compat \ 89 w_atanhF_compat w_coshF_compat w_exp2F_compat w_exp10F_compat \ 90 w_fmodF_compat w_hypotF_compat w_j0F_compat w_j1F_compat \ 91 w_jnF_compat w_log2F_compat w_log10F_compat w_logF_compat \ 92 w_powF_compat w_remainderF_compat w_scalbF_compat \ 93 w_sinhF_compat w_sqrtF_compat w_tgammaF_compat \ 94 w_lgammaF_r_compat w_lgammaF_compat2 w_expF_compat \ 95 w_lgamma_compatF k_standardF 96 97libm-narrow-fns = add div fma mul sqrt sub 98libm-narrow-types-basic = s_fF s_f32xFf64 99libm-narrow-types-ldouble-yes = s_fFl s_dFl 100libm-narrow-types-float128-yes = s_f32Ff128 s_f64Ff128 s_f64xFf128 101libm-narrow-types-float128-alias-yes = s_f64xFf128 102libm-narrow-types = $(libm-narrow-types-basic) \ 103 $(libm-narrow-types-ldouble-$(long-double-fcts)) \ 104 $(libm-narrow-types-float128-$(float128-fcts)) \ 105 $(libm-narrow-types-float128-alias-$(float128-alias-fcts)) 106 107# Type specific routine support. 108# 109# The following three variables control what is included for each type: 110# 111# type-floatN-suffix = The suffix of the type 112# type-floatN-routines = Type specific support objects 113# type-floatN-yes = If the type is supported, evaluates to floatN 114# 115# Finally, note that types is an intentionally recursive variable. 116# We only know the full set of supported types for the target machine 117# after the Rules makefile has been parsed. 118types-basic = $(type-ldouble-$(long-double-fcts)) double float 119 120# Like types, but includes types whose functions alias those for 121# another type. 122test-types-basic = ldouble double float 123 124# long double support 125type-ldouble-suffix := l 126type-ldouble-routines := t_sincosl k_sinl k_cosl k_sincosl s_iscanonicall \ 127 e_rem_pio2l 128type-ldouble-yes := ldouble 129 130# double support 131type-double-suffix := 132type-double-routines := branred k_rem_pio2 \ 133 sincostab math_err e_exp_data e_log_data \ 134 e_log2_data e_pow_log_data 135 136# float support 137type-float-suffix := f 138type-float-routines := math_errf e_exp2f_data e_logf_data \ 139 e_log2f_data e_powf_log2_data s_sincosf_data 140 141# _Float128 support 142type-float128-suffix := f128 143type-float128-routines := t_sincosf128 k_sinf128 k_cosf128 k_sincosf128 \ 144 e_rem_pio2f128 145type-float128-yes := float128 146 147# _Float64x may be supported, only as an alias type. 148type-float64x-yes := float64x 149 150# IBM long double support in additional to IEEE 128 long double support 151type-ibm128-suffix := l 152type-ibm128-yes := ibm128 153 154types = $(types-basic) $(type-float128-$(float128-fcts)) 155test-types = $(test-types-basic) $(type-float128-$(float128-fcts)) \ 156 float32 float64 $(type-float128-$(float128-alias-fcts)) \ 157 float32x $(type-float64x-$(float64x-alias-fcts)) \ 158 $(type-ibm128-$(ibm128-fcts)) 159 160# Pairs of types for which narrowing functions should be tested (this 161# variable has more entries than libm-narrow-types because it includes 162# pairs for which the functions sometimes or always alias functions 163# for other types). This definition embeds the assumption that if 164# _Float64x is supported, so is _Float128, and vice versa (they may or 165# may not have the same format). 166test-type-pairs = float-double float-ldouble double-ldouble \ 167 float32-float64 float32-float32x float32x-float64 \ 168 $(test-type-pairs-f64xf128-$(float128-fcts)) \ 169 $(test-type-pairs-f64xf128-$(float128-alias-fcts)) 170test-type-pairs-f64xf128-yes = float32-float64x float32-float128 \ 171 float64-float64x float64-float128 \ 172 float32x-float64x float32x-float128 \ 173 float64x-float128 174 175# For each of the basic types (float, double, long double), replace the 176# occurrences of 'F' in arg 1 with the appropriate suffix for the type. 177type-basic-foreach = $(foreach t, $(types-basic), \ 178 $(subst F,$(type-$(t)-suffix),$(1))) 179 180# Apply suffix to each type in arg 1 181type-foreach = $(foreach t,$(types),$(subst F,$(type-$(t)-suffix),$(1))) 182 183libm-routines = $(strip $(libm-support) \ 184 $(call type-basic-foreach, \ 185 $(libm-compat-calls)) \ 186 $(call type-foreach, $(libm-calls)) \ 187 $(foreach t, $(types), $(type-$(t)-routines))) \ 188 $(foreach f,$(libm-narrow-fns), \ 189 $(subst F,$(f),$(libm-narrow-types))) 190 191# These functions are in libc instead of libm because __printf_fp 192# calls them, so any program using printf will need them linked in, 193# and we don't want to have to link every program with -lm. 194# In libm-calls (above), list m_foo in place of s_foo for any 195# routine that should be compiled separately for its libc and libm versions. 196calls = s_isinfF s_isnanF s_finiteF s_copysignF s_modfF s_scalbnF s_frexpF \ 197 s_signbitF $(gen-calls) 198gen-calls = s_ldexpF 199generated += $(foreach s,.c .S,$(call type-foreach, $(calls:s_%=m_%$(s)))) 200routines = $(call type-foreach, $(calls)) 201# The $(calls) that are shared between libm and libc are not included in static 202# libm so the symbols end up in exactly one place. 203libm-shared-only-routines = $(call type-foreach, $(calls:s_%=m_%)) 204 205ifeq ($(build-mathvec),yes) 206# We need to install libm.so and libm.a as linker scripts 207# for transparent use of vector math library. 208install-lib-ldscripts := libm.so libm.a 209install-others = $(inst_libdir)/libm.so $(inst_libdir)/libm.a 210$(inst_libdir)/libm.so: $(common-objpfx)format.lds \ 211 $(libm) \ 212 $(libmvec) \ 213 $(+force) 214 (echo '/* GNU ld script'; echo '*/';\ 215 cat $<; \ 216 echo 'GROUP ( $(slibdir)/libm.so$(libm.so-version) ' \ 217 'AS_NEEDED ( $(slibdir)/libmvec.so$(libmvec.so-version) ) )' \ 218 ) > $@.new 219 mv -f $@.new $@ 220 221$(inst_libdir)/libm-$(version).a: $(objpfx)libm.a \ 222 $(+force) 223 $(do-install) 224 225$(inst_libdir)/libm.a: $(common-objpfx)format.lds \ 226 $(inst_libdir)/libm-$(version).a \ 227 $(objpfx)../mathvec/libmvec.a \ 228 $(+force) 229 (echo '/* GNU ld script'; echo '*/';\ 230 cat $<; \ 231 echo 'GROUP ( $(libdir)/libm-$(version).a $(libdir)/libmvec.a )' \ 232 ) > $@.new 233 mv -f $@.new $@ 234endif 235 236# Rules for the test suite. 237tests = test-matherr-3 test-fenv basic-test \ 238 test-misc test-fpucw test-fpucw-ieee tst-definitions test-tgmath \ 239 test-tgmath-ret bug-nextafter bug-nexttoward bug-tgmath1 \ 240 test-tgmath-int test-tgmath2 test-powl tst-CMPLX tst-CMPLX2 test-snan \ 241 test-fenv-tls test-fenv-preserve test-fenv-return \ 242 test-nearbyint-except test-fenv-clear \ 243 test-nearbyint-except-2 test-signgam-uchar test-signgam-uchar-init \ 244 test-signgam-uint test-signgam-uint-init test-signgam-ullong \ 245 test-signgam-ullong-init test-nan-overflow test-nan-payload \ 246 test-fexcept test-fexcept-traps test-fesetexcept \ 247 test-fesetexcept-traps test-fetestexceptflag test-femode \ 248 test-femode-traps test-iszero-excess-precision \ 249 test-iseqsig-excess-precision test-flt-eval-method \ 250 test-fp-ilogb-constants test-fp-llogb-constants \ 251 test-fe-snans-always-signal test-narrow-macros \ 252 test-nan-const $(tests-static) 253tests-static = test-fpucw-static test-fpucw-ieee-static \ 254 test-signgam-uchar-static test-signgam-uchar-init-static \ 255 test-signgam-uint-static test-signgam-uint-init-static \ 256 test-signgam-ullong-static test-signgam-ullong-init-static 257 258# The tested symbols matherr, _LIB_VERSION have been removed in glibc 2.27. 259ifeq ($(have-GLIBC_2.26)$(build-shared),yesyes) 260tests += test-matherr test-matherr-2 261endif 262 263# These tests use internal (unexported) GMP functions and are linked 264# statically to obtain access to these functions. 265tests-static += atest-exp atest-sincos atest-exp2 266 267ifneq (,$(CXX)) 268tests += test-math-isinff test-math-iszero test-math-issignaling \ 269 test-math-iscanonical test-math-cxx11 test-math-iseqsig 270endif 271 272libm-vec-tests = $(addprefix test-,$(libmvec-tests)) 273libm-test-support = $(foreach t,$(test-types),libm-test-support-$(t)) 274test-extras += $(libm-test-support) 275extra-test-objs += $(addsuffix .o, $(libm-test-support)) 276libm-vec-test-wrappers = $(addsuffix -wrappers, $(libm-vec-tests)) 277test-extras += $(libm-vec-test-wrappers) 278extra-test-objs += $(addsuffix .o, $(libm-vec-test-wrappers)) 279 280ulps-file = $(firstword $(wildcard $(sysdirs:%=%/libm-test-ulps))) 281 282$(objpfx)libm-test-ulps.h: $(ulps-file) gen-libm-test.py 283 $(make-target-directory) 284 $(PYTHON) gen-libm-test.py -u $< -H $@ 285 286libm-test-funcs-auto = acos acosh asin asinh atan atan2 atanh cabs cacos \ 287 cacosh carg casin casinh catan catanh cbrt ccos ccosh \ 288 cexp clog clog10 cos cosh cpow csin csinh csqrt ctan \ 289 ctanh erf erfc exp exp10 exp2 expm1 fma hypot j0 j1 jn \ 290 lgamma log log10 log1p log2 pow sin sincos sinh sqrt \ 291 tan tanh tgamma y0 y1 yn 292libm-test-funcs-noauto = canonicalize ceil cimag conj copysign cproj creal \ 293 fabs fdim floor fmax fmaximum fmaximum_mag \ 294 fmaximum_mag_num fmaximum_num fmaxmag fmin fminimum \ 295 fminimum_mag fminimum_mag_num fminimum_num fminmag \ 296 fmod fpclassify frexp fromfp fromfpx getpayload \ 297 ilogb iscanonical iseqsig isfinite isgreater \ 298 isgreaterequal isinf isless islessequal \ 299 islessgreater isnan isnormal issignaling issubnormal \ 300 isunordered iszero llogb llrint llround logb lrint \ 301 lround modf nearbyint nextafter nextdown nexttoward \ 302 nextup remainder remquo rint round roundeven scalb \ 303 scalbln scalbn setpayload setpayloadsig signbit \ 304 significand totalorder totalordermag trunc ufromfp \ 305 ufromfpx compat_totalorder compat_totalordermag 306libm-test-funcs-compat = compat_totalorder compat_totalordermag 307libm-test-funcs-narrow = add div fma mul sqrt sub 308libm-test-funcs-all = $(libm-test-funcs-auto) $(libm-test-funcs-noauto) 309libm-test-c-auto = $(foreach f,$(libm-test-funcs-auto),libm-test-$(f).c) 310libm-test-c-noauto = $(foreach f,$(libm-test-funcs-noauto),libm-test-$(f).c) 311libm-test-c-narrow = $(foreach f,$(libm-test-funcs-narrow),\ 312 libm-test-narrow-$(f).c) 313generated += libm-test-ulps.h $(libm-test-c-auto) $(libm-test-c-noauto) \ 314 $(libm-test-c-narrow) 315 316libm-tests-base-normal = $(foreach t,$(test-types),test-$(t)) 317libm-tests-base-narrow = $(foreach t,$(test-type-pairs),test-$(t)) 318libm-tests-base = $(libm-tests-base-normal) $(libm-vec-tests) 319libm-tests-normal = $(foreach t,$(libm-tests-base-normal),\ 320 $(foreach f,$(libm-test-funcs-all),\ 321 $(t)-$(f))) 322libm-tests-narrow = $(foreach t,$(libm-tests-base-narrow),\ 323 $(foreach f,$(libm-test-funcs-narrow),\ 324 $(t)-$(f))) 325libm-tests-vector = $(foreach t,$(libmvec-tests),\ 326 $(foreach f,$($(t)-funcs),test-$(t)-$(f))) 327libm-tests = $(libm-tests-normal) $(libm-tests-narrow) $(libm-tests-vector) 328libm-tests-compat = $(foreach t,$(libm-tests-base-normal) \ 329 $(libm-tests-base-finite),\ 330 $(foreach f,$(libm-test-funcs-compat),\ 331 $(t)-$(f))) 332libm-tests-for-type = $(foreach f,$(libm-test-funcs-all),\ 333 test-$(1)-$(f) test-i$(1)-$(f)) \ 334 $(filter test-$(1)-%,$(libm-tests-vector) \ 335 $(libm-tests-narrow)) 336 337libm-tests.o = $(addsuffix .o,$(libm-tests)) 338 339tests += $(libm-tests) 340generated += $(addsuffix .c,$(libm-tests)) \ 341 $(foreach t,$(test-types),libm-test-support-$(t).c) 342 343libm-test-c-auto-obj = $(addprefix $(objpfx),$(libm-test-c-auto)) 344libm-test-c-noauto-obj = $(addprefix $(objpfx),$(libm-test-c-noauto)) 345libm-test-c-narrow-obj = $(addprefix $(objpfx),$(libm-test-c-narrow)) 346 347$(libm-test-c-noauto-obj): $(objpfx)libm-test%.c: libm-test%.inc \ 348 gen-libm-test.py 349 $(make-target-directory) 350 $(PYTHON) gen-libm-test.py -c $< -a /dev/null -C $@ 351 352$(libm-test-c-auto-obj): $(objpfx)libm-test%.c: libm-test%.inc \ 353 gen-libm-test.py \ 354 auto-libm-test-out% 355 $(make-target-directory) 356 $(PYTHON) gen-libm-test.py -c $< -a auto-libm-test-out$* -C $@ 357 358$(libm-test-c-narrow-obj): $(objpfx)libm-test%.c: libm-test%.inc \ 359 gen-libm-test.py \ 360 auto-libm-test-out% 361 $(make-target-directory) 362 $(PYTHON) gen-libm-test.py -c $< -a auto-libm-test-out$* -C $@ 363 364# Tests for totalorder compat symbols reuse the table of tests as 365# processed by gen-libm-test.py, so add dependencies on the generated 366# .c files. 367$(foreach t,$(libm-tests-base),\ 368 $(objpfx)$(t)-compat_totalorder.o): $(objpfx)libm-test-totalorder.c 369 370$(foreach t,$(libm-tests-base),\ 371 $(objpfx)$(t)-compat_totalordermag.o): $(objpfx)libm-test-totalordermag.c 372 373# _Float128x omitted as not supported by gen-tgmath-tests.py. 374tgmath3-narrow-types = f d f16 f32 f64 f128 f32x f64x 375tgmath3-narrow-macros = $(foreach t,$(tgmath3-narrow-types), \ 376 $(foreach f,$(libm-narrow-fns),$(t)$(f))) 377tgmath3-macros = atan2 cbrt ceil copysign erf erfc exp10 exp2 expm1 fdim \ 378 floor fma fmax fmin fmod frexp hypot ilogb ldexp lgamma \ 379 llrint llround log10 log1p log2 logb lrint lround nearbyint \ 380 nextafter nexttoward remainder remquo rint round scalbn \ 381 scalbln tgamma trunc acos asin atan acosh asinh atanh cos \ 382 sin tan cosh sinh tanh exp log pow sqrt fabs carg cimag conj \ 383 cproj creal roundeven nextup nextdown fminmag fmaxmag \ 384 fmaximum fmaximum_mag fmaximum_num fmaximum_mag_num \ 385 fminimum fminimum_mag fminimum_num fminimum_mag_num llogb \ 386 fromfp fromfpx ufromfp ufromfpx scalb $(tgmath3-narrow-macros) 387tgmath3-macro-tests = $(addprefix test-tgmath3-,$(tgmath3-macros)) 388tests += $(tgmath3-macro-tests) 389generated += $(addsuffix .c,$(tgmath3-macro-tests)) 390 391$(tgmath3-macro-tests:%=$(objpfx)%.o): CFLAGS += -fno-builtin 392 393$(foreach m,$(tgmath3-macros),\ 394 $(objpfx)test-tgmath3-$(m).c): $(objpfx)test-tgmath3-%.c: \ 395 gen-tgmath-tests.py 396 $(PYTHON) gen-tgmath-tests.py $* > $@ 397 398# Verify that the list of supported macros is in sync between the 399# Makefile and gen-tgmath-tests.py. 400tests-special += $(objpfx)test-tgmath3-macro-list.out 401$(objpfx)test-tgmath3-macro-list.out: gen-tgmath-tests.py 402 $(PYTHON) $< check-list $(tgmath3-macros) > $@; \ 403 $(evaluate-test) 404 405libm-test-fast-math-cflags = -fno-builtin -D__FAST_MATH__ -DTEST_FAST_MATH 406libm-test-vec-cflags = $(libm-test-fast-math-cflags) -fno-inline \ 407 -ffloat-store -D_OPENMP=201307 -Wno-unknown-pragmas 408 409CFLAGS-test-double-vlen4-wrappers.c += $(double-vlen4-arch-ext-cflags) 410 411CFLAGS-test-double-vlen8-wrappers.c += $(double-vlen8-arch-ext-cflags) 412 413CFLAGS-test-float-vlen8-wrappers.c += $(float-vlen8-arch-ext-cflags) 414 415CFLAGS-test-float-vlen16-wrappers.c += $(float-vlen16-arch-ext-cflags) 416 417# The no-inline tests use -fsignaling-nans, and thereby use the 418# versions of classification macros that support sNaNs. The inline 419# function tests use the versions of classification macros that may 420# raise spurious exceptions for sNaNs, but also do not test for 421# exceptions. Thus both versions of the classification macros are 422# validated. 423libm-test-no-inline-cflags = -fno-inline -ffloat-store -fno-builtin \ 424 -fsignaling-nans 425CFLAGS-test-tgmath.c += -fno-builtin 426# The following testcase uses very long lines (>3 million), so it may take a 427# while to compile it. See: http://llvm.org/bugs/show_bug.cgi?id=14106 and 428# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54402 429CFLAGS-test-tgmath2.c += -fno-builtin 430CFLAGS-test-tgmath-ret.c += -fno-builtin 431CFLAGS-test-powl.c += -fno-builtin 432 433CFLAGS-test-snan.c += -fsignaling-nans 434 435CFLAGS-test-signgam-uchar.c += -std=c99 436CFLAGS-test-signgam-uchar-init.c += -std=c99 437CFLAGS-test-signgam-uchar-static.c += -std=c99 438CFLAGS-test-signgam-uchar-init-static.c += -std=c99 439CFLAGS-test-signgam-uint.c += -std=c99 440CFLAGS-test-signgam-uint-init.c += -std=c99 441CFLAGS-test-signgam-uint-static.c += -std=c99 442CFLAGS-test-signgam-uint-init-static.c += -std=c99 443CFLAGS-test-signgam-ullong.c += -std=c99 444CFLAGS-test-signgam-ullong-init.c += -std=c99 445CFLAGS-test-signgam-ullong-static.c += -std=c99 446CFLAGS-test-signgam-ullong-init-static.c += -std=c99 447 448CFLAGS-test-math-cxx11.cc += -std=c++11 449 450CFLAGS-test-math-isinff.cc += -std=gnu++11 451CFLAGS-test-math-iszero.cc += -std=gnu++11 452CFLAGS-test-math-issignaling.cc += -std=gnu++11 453CFLAGS-test-math-iscanonical.cc += -std=gnu++11 454 455CFLAGS-test-iszero-excess-precision.c += -fexcess-precision=standard 456CFLAGS-test-iseqsig-excess-precision.c += -fexcess-precision=standard 457CFLAGS-test-flt-eval-method.c += -fexcess-precision=standard 458 459CFLAGS-test-fe-snans-always-signal.c += -fsignaling-nans 460 461CFLAGS-test-nan-const.c += -fno-builtin 462 463include ../Rules 464 465gen-all-calls = $(gen-libm-calls) $(gen-calls) 466 467generated += $(addsuffix .c,$(call type-foreach,$(gen-all-calls))) \ 468 gen-libm-templates.stmp 469 470# Create wrappers in the math build directory. 471$(objpfx)gen-libm-templates.stmp: Makefile 472 $(make-target-directory) 473 for gcall in $(gen-all-calls); do \ 474 func=$${gcall%F*}$${gcall#*F}; \ 475 for type in $(foreach t,$(types),$(t)__$(type-$(t)-suffix)); do \ 476 suff=$${type#*__}; \ 477 type=$${type%__*}; \ 478 file=$(objpfx)$${gcall%F*}$${suff}$${gcall#*F}.c; \ 479 ( \ 480 echo "#include <math-type-macros-$${type}.h>"; \ 481 echo "#include <$${func}_template.c>"; \ 482 ) > $${file}; \ 483 done; \ 484 done; \ 485 echo > $(@) 486 487# Add dependency to ensure the generator runs prior. 488$(foreach t, $(call type-foreach, $(gen-all-calls)), \ 489 $(objpfx)$(t).c): $(objpfx)gen-libm-templates.stmp 490 491# This must come after the inclusion of sysdeps Makefiles via Rules. 492 493$(foreach t,$(libm-tests-normal),$(objpfx)$(t).c): $(objpfx)test-%.c: 494 type_func=$*; \ 495 type=$${type_func%%-*}; \ 496 func=$${type_func#*-}; \ 497 ( \ 498 echo "#include <test-$$type.h>"; \ 499 echo "#include <test-math-exceptions.h>"; \ 500 echo "#include <test-math-errno.h>"; \ 501 echo "#include <test-math-scalar.h>"; \ 502 echo "#include <libm-test-$$func.c>"; \ 503 ) > $@ 504 505$(foreach t,$(libm-tests-narrow),$(objpfx)$(t).c): $(objpfx)test-%.c: 506 type_pair_func=$*; \ 507 type_pair=$${type_pair_func%-*}; \ 508 func=$${type_pair_func##*-}; \ 509 ret_type=$${type_pair%%-*}; \ 510 arg_type=$${type_pair#*-}; \ 511 ( \ 512 echo "#include <test-$$ret_type.h>"; \ 513 echo "#include <test-arg-$$arg_type.h>"; \ 514 echo "#include <test-math-exceptions.h>"; \ 515 echo "#include <test-math-errno.h>"; \ 516 echo "#include <test-math-narrow.h>"; \ 517 echo "#include <libm-test-narrow-$$func.c>"; \ 518 ) > $@ 519 520$(foreach t,$(libm-tests-vector),$(objpfx)$(t).c): $(objpfx)test-%.c: 521 type_func=$*; \ 522 type=$${type_func%-*}; \ 523 func=$${type_func##*-}; \ 524 func_args=$$(grep ALL_RM_TEST libm-test-$$func.inc \ 525 | sed 's/.*RUN_TEST_LOOP_//;s/_.*//'); \ 526 ( \ 527 echo "#include <test-$$type.h>"; \ 528 echo "WRAPPER_DECL_$$func_args (WRAPPER_NAME (FUNC ($$func)))"; \ 529 echo "#include <libm-test-$$func.c>"; \ 530 ) > $@ 531 532$(foreach t,$(test-types),\ 533 $(objpfx)libm-test-support-$(t).c): $(objpfx)libm-test-support-%.c: 534 ( \ 535 echo "#include <test-$*.h>"; \ 536 echo "#include <libm-test-support.c>"; \ 537 ) > $@ 538 539$(addprefix $(objpfx), $(libm-tests.o)): $(objpfx)libm-test-ulps.h 540 541define o-iterator-doit 542$(foreach f,$(libm-test-funcs-all),\ 543 $(objpfx)$(o)-$(f).o): $(objpfx)$(o)%.o: $(objpfx)libm-test%.c 544endef 545object-suffixes-left := $(libm-tests-base) 546include $(o-iterator) 547 548define o-iterator-doit 549$(foreach f,$(libm-test-funcs-narrow),\ 550 $(objpfx)$(o)-$(f).o): $(objpfx)$(o)%.o: \ 551 $(objpfx)libm-test-narrow%.c 552endef 553object-suffixes-left := $(libm-tests-base-narrow) 554include $(o-iterator) 555 556define o-iterator-doit 557$(foreach f,$(libm-test-funcs-all),\ 558 $(objpfx)$(o)-$(f).o): CFLAGS += $(libm-test-no-inline-cflags) 559endef 560object-suffixes-left := $(libm-tests-base-normal) 561include $(o-iterator) 562 563define o-iterator-doit 564$(foreach f,$(libm-test-funcs-narrow),\ 565 $(objpfx)$(o)-$(f).o): CFLAGS += $(libm-test-no-inline-cflags) 566endef 567object-suffixes-left := $(libm-tests-base-narrow) 568include $(o-iterator) 569 570define o-iterator-doit 571$(foreach f,$($(o)-funcs),\ 572 $(objpfx)test-$(o)-$(f).o): CFLAGS += $(libm-test-vec-cflags) 573endef 574object-suffixes-left := $(libmvec-tests) 575include $(o-iterator) 576 577define o-iterator-doit 578$(addprefix $(objpfx),\ 579 $(call libm-tests-for-type,$(o))): $(objpfx)libm-test-support-$(o).o 580endef 581object-suffixes-left := $(test-types) 582include $(o-iterator) 583 584define o-iterator-doit 585$(objpfx)libm-test-support-$(o).o: CFLAGS += $(libm-test-no-inline-cflags) 586endef 587object-suffixes-left := $(test-types) 588include $(o-iterator) 589 590# Run the math programs to automatically generate ULPs files. 591.PHONY: regen-ulps 592 593run-regen-ulps = $(test-wrapper-env) \ 594 $(run-program-env) \ 595 $($*-ENV) $(rtld-prefix) $(objpfx)$${run} 596 597regen-ulps: $(addprefix $(objpfx),$(libm-tests)) 598 rm -f $(objpfx)ULPs; rm -f $(objpfx)NewUlps; \ 599 cp $(ulps-file) $(objpfx)libm-test-ulps; \ 600 for run in $(libm-tests); do \ 601 echo "Regenerating ULPs for $${run}"; \ 602 $(run-regen-ulps) -u -o $(objpfx); \ 603 cat $(objpfx)ULPs >> $(objpfx)libm-test-ulps; \ 604 rm $(objpfx)ULPs; \ 605 done; \ 606 $(PYTHON) gen-libm-test.py -n $(objpfx)NewUlps \ 607 -u $(objpfx)libm-test-ulps; \ 608 echo "Automatic regeneration of ULPs complete."; \ 609 echo "Difference between the current baseline and the new baseline is:";\ 610 diff -urN $(ulps-file) $(objpfx)NewUlps; \ 611 echo "Copy $(objpfx)NewUlps to $(ulps-file) (relative to source)." 612 613# The generated sysd-rules file defines rules like this for sources 614# coming from sysdeps/ directories. These rules find the generic sources. 615define o-iterator-doit 616$(objpfx)m_%$o: s_%.c $(before-compile); $$(compile-command.c) 617endef 618object-suffixes-left := $(all-object-suffixes) 619include $(o-iterator) 620 621# Likewise, for those generated files shared with libc. 622define o-iterator-doit 623$(objpfx)m_%$o: $(objpfx)s_%.c $(before-compile); $$(compile-command.c) 624endef 625object-suffixes-left := $(all-object-suffixes) 626include $(o-iterator) 627 628ifneq ($(long-double-fcts),yes) 629# The `double' and `long double' types are the same on this machine. 630# We won't compile the `long double' code at all. Tell the `double' code 631# to define aliases for the `FUNCl' names. 632math-CPPFLAGS += -DNO_LONG_DOUBLE 633# GCC 10 diagnoses aliases with types conflicting with built-in 634# functions. 635CFLAGS-w_acos.c += -fno-builtin-acosl 636CFLAGS-w_acosh.c += -fno-builtin-acoshl 637CFLAGS-w_asin.c += -fno-builtin-asinl 638CFLAGS-s_asinh.c += -fno-builtin-asinhl 639CFLAGS-s_atan.c += -fno-builtin-atanl 640CFLAGS-w_atan2.c += -fno-builtin-atan2l 641CFLAGS-w_atanh.c += -fno-builtin-atanhl 642CFLAGS-s_cabs.c += -fno-builtin-cabsl 643CFLAGS-s_cacos.c += -fno-builtin-cacosl 644CFLAGS-s_cacosh.c += -fno-builtin-cacoshl 645CFLAGS-s_canonicalize.c += -fno-builtin-canonicalizel 646CFLAGS-s_carg.c += -fno-builtin-cargl 647CFLAGS-s_casin.c += -fno-builtin-casinl 648CFLAGS-s_casinh.c += -fno-builtin-casinhl 649CFLAGS-s_catan.c += -fno-builtin-catanl 650CFLAGS-s_catanh.c += -fno-builtin-catanhl 651CFLAGS-s_cbrt.c += -fno-builtin-cbrtl 652CFLAGS-s_ccos.c += -fno-builtin-ccosl 653CFLAGS-s_ccosh.c += -fno-builtin-ccoshl 654CFLAGS-s_ceil.c += -fno-builtin-ceill 655CFLAGS-s_cexp.c += -fno-builtin-cexpl 656CFLAGS-s_cimag.c += -fno-builtin-cimagl 657CFLAGS-s_clog.c += -fno-builtin-clogl 658CFLAGS-s_clog10.c += -fno-builtin-clog10l 659CFLAGS-s_conj.c += -fno-builtin-conjl 660CFLAGS-s_copysign.c += -fno-builtin-copysignl 661CFLAGS-s_cos.c += -fno-builtin-cosl 662CFLAGS-w_cosh.c += -fno-builtin-coshl 663CFLAGS-s_cpow.c += -fno-builtin-cpowl 664CFLAGS-s_cproj.c += -fno-builtin-cprojl 665CFLAGS-s_creal.c += -fno-builtin-creall 666CFLAGS-s_csin.c += -fno-builtin-csinl 667CFLAGS-s_csinh.c += -fno-builtin-csinhl 668CFLAGS-s_csqrt.c += -fno-builtin-csqrtl 669CFLAGS-s_ctan.c += -fno-builtin-ctanl 670CFLAGS-s_ctanh.c += -fno-builtin-ctanhl 671CFLAGS-s_dadd.c += -fno-builtin-daddl 672CFLAGS-s_ddiv.c += -fno-builtin-ddivl 673CFLAGS-s_dfma.c += -fno-builtin-dfmal 674CFLAGS-s_dmul.c += -fno-builtin-dmull 675CFLAGS-s_dsqrt.c += -fno-builtin-dsqrtl 676CFLAGS-s_dsub.c += -fno-builtin-dsubl 677CFLAGS-s_erf.c += -fno-builtin-erfl 678CFLAGS-s_erfc.c += -fno-builtin-erfcl 679CFLAGS-e_exp.c += -fno-builtin-expl 680CFLAGS-w_exp10.c += -fno-builtin-exp10l 681CFLAGS-e_exp2.c += -fno-builtin-exp2l 682CFLAGS-s_expm1.c += -fno-builtin-expm1l 683CFLAGS-s_fabs.c += -fno-builtin-fabsl 684CFLAGS-s_fadd.c += -fno-builtin-faddl 685CFLAGS-s_fdim.c += -fno-builtin-fdiml 686CFLAGS-s_fdiv.c += -fno-builtin-fdivl 687CFLAGS-s_ffma.c += -fno-builtin-ffmal 688CFLAGS-s_finite.c += -fno-builtin-finitel 689CFLAGS-s_floor.c += -fno-builtin-floorl 690CFLAGS-s_fma.c += -fno-builtin-fmal 691CFLAGS-s_fmax.c += -fno-builtin-fmaxl 692CFLAGS-s_fmaximum.c += -fno-builtin-fmaximuml 693CFLAGS-s_fmaximum_mag.c += -fno-builtin-fmaximum_magl 694CFLAGS-s_fmaximum_mag_num.c += -fno-builtin-fmaximum_mag_numl 695CFLAGS-s_fmaximum_num.c += -fno-builtin-fmaximum_numl 696CFLAGS-s_fmaxmag.c += -fno-builtin-fmaxmagl 697CFLAGS-s_fmin.c += -fno-builtin-fminl 698CFLAGS-s_fminimum.c += -fno-builtin-fminimuml 699CFLAGS-s_fminimum_mag.c += -fno-builtin-fminimum_magl 700CFLAGS-s_fminimum_mag_num.c += -fno-builtin-fminimum_mag_numl 701CFLAGS-s_fminimum_num.c += -fno-builtin-fminimum_numl 702CFLAGS-s_fminmag.c += -fno-builtin-fminmagl 703CFLAGS-w_fmod.c += -fno-builtin-fmodl 704CFLAGS-s_fmul.c += -fno-builtin-fmull 705CFLAGS-s_frexp.c += -fno-builtin-frexpl 706CFLAGS-s_fromfp.c += -fno-builtin-fromfpl 707CFLAGS-s_fromfpx.c += -fno-builtin-fromfpxl 708CFLAGS-s_fsqrt.c += -fno-builtin-fsqrtl 709CFLAGS-s_fsub.c += -fno-builtin-fsubl 710CFLAGS-s_gamma.c += -fno-builtin-gammal 711CFLAGS-s_getpayload.c += -fno-builtin-getpayloadl 712CFLAGS-w_hypot.c += -fno-builtin-hypotl 713CFLAGS-w_ilogb.c += -fno-builtin-ilogbl 714CFLAGS-s_isinf.c += -fno-builtin-isinfl 715CFLAGS-s_isnan.c += -fno-builtin-isnanl 716CFLAGS-w_j0.c += -fno-builtin-j0l 717CFLAGS-w_j1.c += -fno-builtin-j1l 718CFLAGS-w_jn.c += -fno-builtin-jnl 719CFLAGS-s_ldexp.c += -fno-builtin-ldexpl 720CFLAGS-w_lgamma.c += -fno-builtin-lgammal 721CFLAGS-w_lgamma_r.c += -fno-builtin-lgammal_r 722CFLAGS-w_llogb.c += -fno-builtin-llogbl 723CFLAGS-s_llrint.c += -fno-builtin-llrintl 724CFLAGS-s_llround.c += -fno-builtin-llroundl 725CFLAGS-e_log.c += -fno-builtin-logl 726CFLAGS-w_log10.c += -fno-builtin-log10l 727CFLAGS-w_log1p.c += -fno-builtin-log1pl 728CFLAGS-e_log2.c += -fno-builtin-log2l 729CFLAGS-s_logb.c += -fno-builtin-logbl 730CFLAGS-s_lrint.c += -fno-builtin-lrintl 731CFLAGS-s_lround.c += -fno-builtin-lroundl 732CFLAGS-s_modf.c += -fno-builtin-modfl 733CFLAGS-s_nan.c += -fno-builtin-nanl 734CFLAGS-s_nearbyint.c += -fno-builtin-nearbyintl 735CFLAGS-s_nextafter.c += -fno-builtin-nextafterl 736CFLAGS-s_nextdown.c += -fno-builtin-nextdownl 737CFLAGS-s_nexttoward.c += -fno-builtin-nexttoward -fno-builtin-nexttowardl 738CFLAGS-s_nexttowardf.c += -fno-builtin-nexttowardf 739CFLAGS-s_nextup.c += -fno-builtin-nextupl 740CFLAGS-e_pow.c += -fno-builtin-powl 741CFLAGS-w_remainder.c += -fno-builtin-remainderl -fno-builtin-dreml 742CFLAGS-s_remquo.c += -fno-builtin-remquol 743CFLAGS-s_rint.c += -fno-builtin-rintl 744CFLAGS-s_round.c += -fno-builtin-roundl 745CFLAGS-s_roundeven.c += -fno-builtin-roundevenl 746CFLAGS-w_scalb.c += -fno-builtin-scalbl 747CFLAGS-w_scalbln.c += -fno-builtin-scalblnl 748CFLAGS-s_scalbn.c += -fno-builtin-scalbnl 749CFLAGS-s_setpayload.c += -fno-builtin-setpayloadl 750CFLAGS-s_setpayloadsig.c += -fno-builtin-setpayloadsigl 751CFLAGS-s_significand.c += -fno-builtin-significandl 752CFLAGS-s_sin.c += -fno-builtin-sinl 753CFLAGS-s_sincos.c += -fno-builtin-sincosl 754CFLAGS-w_sinh.c += -fno-builtin-sinhl 755CFLAGS-w_sqrt.c += -fno-builtin-sqrtl 756CFLAGS-s_tan.c += -fno-builtin-tanl 757CFLAGS-s_tanh.c += -fno-builtin-tanhl 758CFLAGS-w_tgamma.c += -fno-builtin-tgammal 759CFLAGS-s_totalorder.c += -fno-builtin-totalorderl 760CFLAGS-s_totalordermag.c += -fno-builtin-totalordermagl 761CFLAGS-s_trunc.c += -fno-builtin-truncl 762CFLAGS-s_ufromfp.c += -fno-builtin-ufromfpl 763CFLAGS-s_ufromfpx.c += -fno-builtin-ufromfpxl 764CFLAGS-s_y0.c += -fno-builtin-y0l 765CFLAGS-s_y1.c += -fno-builtin-y1l 766CFLAGS-s_yn.c += -fno-builtin-ynl 767endif 768 769# These files quiet sNaNs in a way that is optimized away without 770# -fsignaling-nans. 771CFLAGS-s_modf.c += -fsignaling-nans 772CFLAGS-s_modff.c += -fsignaling-nans 773CFLAGS-s_modfl.c += -fsignaling-nans 774CFLAGS-s_modff128.c += -fsignaling-nans 775 776$(addprefix $(objpfx),\ 777 $(filter-out $(tests-static) $(libm-tests-vector),\ 778 $(tests) $(tests-internal))): $(libm) 779$(addprefix $(objpfx),$(tests-static)): $(objpfx)libm.a 780define o-iterator-doit 781$(foreach f,$($(o)-funcs),\ 782 $(objpfx)test-$(o)-$(f)): $(objpfx)test-$(o)-wrappers.o \ 783 $(libm) $(libmvec) 784endef 785object-suffixes-left := $(libmvec-tests) 786include $(o-iterator) 787 788$(objpfx)test-fenv-tls: $(shared-thread-library) 789