about summary refs log tree commit diff
path: root/math/Makefile
blob: 23574f5e091c9bcb8dd0691bce9b881821b8b433 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
# Copyright (C) 1996-2018 Free Software Foundation, Inc.
# This file is part of the GNU C Library.

# The GNU C Library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.

# The GNU C Library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.

# You should have received a copy of the GNU Lesser General Public
# License along with the GNU C Library; if not, see
# <http://www.gnu.org/licenses/>.

# Makefile for the math library.

subdir		:= math

include ../Makeconfig

# Installed header files.
headers		:= math.h bits/mathcalls.h bits/mathinline.h \
		   fpu_control.h complex.h bits/cmathcalls.h fenv.h \
		   bits/fenv.h bits/fenvinline.h bits/mathdef.h tgmath.h \
		   bits/math-finite.h bits/math-vector.h \
		   bits/libm-simd-decl-stubs.h bits/iscanonical.h \
		   bits/flt-eval-method.h bits/fp-fast.h bits/fp-logb.h \
		   bits/long-double.h bits/mathcalls-helper-functions.h \
		   bits/floatn.h bits/floatn-common.h bits/mathcalls-narrow.h

# FPU support code.
aux		:= setfpucw fpu_control

# Build the -lm library.

extra-libs	:= libm
extra-libs-others = $(extra-libs)

libm-support = s_lib_version s_matherr s_signgam			\
	       fclrexcpt fgetexcptflg fraiseexcpt fsetexcptflg		\
	       ftestexcept fegetround fesetround fegetenv feholdexcpt	\
	       fesetenv feupdateenv t_exp fedisblxcpt feenablxcpt	\
	       fegetexcept fesetexcept fetestexceptflag fegetmode	\
	       fesetmode

# Wrappers for these functions generated per type using a file named
# <func>_template.c and the appropriate math-type-macros-<TYPE>.h.
gen-libm-calls = cargF conjF cimagF crealF cabsF s_cacosF		  \
	         s_cacoshF s_ccosF s_ccoshF s_casinF s_csinF s_casinhF	  \
		 k_casinhF s_csinhF k_casinhF s_csinhF s_catanhF s_catanF \
		 s_ctanF s_ctanhF s_cexpF s_clogF s_cprojF s_csqrtF	  \
		 s_cpowF s_clog10F s_fdimF s_nextdownF s_fmaxF s_fminF	  \
		 s_nanF s_iseqsigF s_canonicalizeF w_ilogbF w_llogbF	  \
		 w_log1pF w_scalblnF s_fmaxmagF s_fminmagF w_acosF	  \
		 w_acoshF w_asinF w_atan2F w_atanhF w_coshF w_exp10F	  \
		 w_exp2F w_fmodF w_hypotF w_j0F w_j1F w_jnF w_logF	  \
		 w_log10F w_log2F w_powF w_remainderF w_sinhF w_sqrtF	  \
		 w_tgammaF w_lgammaF w_lgammaF_r w_expF e_exp2F

libm-calls =								  \
	e_acosF e_acoshF e_asinF e_atan2F e_atanhF e_coshF e_expF e_fmodF \
	e_hypotF e_j0F e_j1F e_jnF e_lgammaF_r e_logF e_log10F e_powF	  \
	e_rem_pio2F e_remainderF e_scalbF e_sinhF e_sqrtF e_gammaF_r	  \
	e_ilogbF							  \
	k_cosF k_sinF k_tanF s_asinhF s_atanF s_cbrtF			  \
	s_ceilF s_cosF s_erfF s_expm1F s_fabsF				  \
	s_floorF s_log1pF s_logbF				  \
	s_nextafterF s_nexttowardF s_rintF s_scalblnF			  \
	s_significandF s_sinF s_tanF s_tanhF				  \
	s_fpclassifyF s_truncF						  \
	s_remquoF e_log2F s_roundF s_nearbyintF s_sincosF		  \
	s_fmaF s_lrintF s_llrintF s_lroundF s_llroundF e_exp10F		  \
	s_issignalingF $(calls:s_%=m_%) x2y2m1F				  \
	gamma_productF lgamma_negF lgamma_productF			  \
	s_nextupF s_totalorderF s_totalordermagF s_getpayloadF		  \
	s_setpayloadF s_setpayloadsigF s_roundevenF s_fromfpF s_ufromfpF  \
	s_fromfpxF s_ufromfpxF $(gen-libm-calls)

libm-compat-calls =							\
	w_acosF_compat w_acoshF_compat w_asinF_compat w_atan2F_compat	\
	w_atanhF_compat w_coshF_compat w_exp2F_compat w_exp10F_compat	\
	w_fmodF_compat w_hypotF_compat w_j0F_compat w_j1F_compat	\
	w_jnF_compat w_log2F_compat w_log10F_compat w_logF_compat	\
	w_powF_compat w_remainderF_compat w_scalbF_compat		\
	w_sinhF_compat w_sqrtF_compat w_tgammaF_compat			\
	w_lgammaF_r_compat w_lgammaF_compat2 w_expF_compat		\
	w_lgamma_compatF k_standardF

libm-narrow-fns = add div mul sub
libm-narrow-types-basic = s_fF s_f32xFf64
libm-narrow-types-ldouble-yes = s_fFl s_dFl
libm-narrow-types-float128-yes = s_f32Ff128 s_f64Ff128 s_f64xFf128
libm-narrow-types-float128-alias-yes = s_f64xFf128
libm-narrow-types = $(libm-narrow-types-basic) \
		    $(libm-narrow-types-ldouble-$(long-double-fcts)) \
		    $(libm-narrow-types-float128-$(float128-fcts)) \
		    $(libm-narrow-types-float128-alias-$(float128-alias-fcts))

# Type specific routine support.
#
# The following three variables control what is included for each type:
#
# type-floatN-suffix = The suffix of the type
# type-floatN-routines = Type specific support objects
# type-floatN-yes = If the type is supported, evaluates to floatN
#
# Finally, note that types is an intentionally recursive variable.
# We only know the full set of supported types for the target machine
# after the Rules makefile has been parsed.
types-basic = $(type-ldouble-$(long-double-fcts)) double float

# Like types, but includes types whose functions alias those for
# another type.
test-types-basic = ldouble double float

# long double support
type-ldouble-suffix := l
type-ldouble-routines := t_sincosl k_sincosl s_iscanonicall
type-ldouble-yes := ldouble

# double support
type-double-suffix :=
type-double-routines := branred doasin dosincos mpa mpatan2	\
		       mpatan mpsqrt mptan sincos32	\
		       sincostab k_rem_pio2

# float support
type-float-suffix := f
type-float-routines := k_rem_pio2f math_errf e_exp2f_data e_logf_data	\
		       e_log2f_data e_powf_log2_data

# _Float128 support
type-float128-suffix := f128
type-float128-routines := t_sincosf128 k_sincosf128
type-float128-yes := float128

# _Float64x may be supported, only as an alias type.
type-float64x-yes := float64x

types = $(types-basic) $(type-float128-$(float128-fcts))
test-types = $(test-types-basic) $(type-float128-$(float128-fcts)) \
	     float32 float64 $(type-float128-$(float128-alias-fcts)) \
	     float32x $(type-float64x-$(float64x-alias-fcts))

# Pairs of types for which narrowing functions should be tested (this
# variable has more entries than libm-narrow-types because it includes
# pairs for which the functions sometimes or always alias functions
# for other types). This definition embeds the assumption that if
# _Float64x is supported, so is _Float128, and vice versa (they may or
# may not have the same format).
test-type-pairs = float-double float-ldouble double-ldouble \
		  float32-float64 float32-float32x float32x-float64 \
		  $(test-type-pairs-f64xf128-$(float128-fcts)) \
		  $(test-type-pairs-f64xf128-$(float128-alias-fcts))
test-type-pairs-f64xf128-yes = float32-float64x float32-float128 \
			       float64-float64x float64-float128 \
			       float32x-float64x float32x-float128 \
			       float64x-float128

# For each of the basic types (float, double, long double), replace the
# occurrences of 'F' in arg 1 with the appropriate suffix for the type.
type-basic-foreach = $(foreach t, $(types-basic), \
		       $(subst F,$(type-$(t)-suffix),$(1)))

# Apply suffix to each type in arg 1
type-foreach = $(foreach t,$(types),$(subst F,$(type-$(t)-suffix),$(1)))

libm-routines = $(strip $(libm-support)					\
			$(call type-basic-foreach,			\
			       $(libm-compat-calls))			\
			$(call type-foreach, $(libm-calls))		\
			$(foreach t, $(types), $(type-$(t)-routines))) 	\
			$(foreach f,$(libm-narrow-fns),			\
				    $(subst F,$(f),$(libm-narrow-types)))

# These functions are in libc instead of libm because __printf_fp
# calls them, so any program using printf will need them linked in,
# and we don't want to have to link every program with -lm.
# In libm-calls (above), list m_foo in place of s_foo for any
# routine that should be compiled separately for its libc and libm versions.
calls = s_isinfF s_isnanF s_finiteF s_copysignF s_modfF s_scalbnF s_frexpF \
	s_signbitF $(gen-calls)
gen-calls = s_ldexpF
generated += $(foreach s,.c .S,$(call type-foreach, $(calls:s_%=m_%$(s))))
routines = $(call type-foreach, $(calls))

ifeq ($(build-mathvec),yes)
# We need to install libm.so and libm.a as linker scripts
# for transparent use of vector math library.
install-lib-ldscripts := libm.so libm.a
install-others = $(inst_libdir)/libm.so $(inst_libdir)/libm.a
$(inst_libdir)/libm.so: $(common-objpfx)format.lds \
			$(libm) \
			$(libmvec) \
			$(+force)
	(echo '/* GNU ld script'; echo '*/';\
	 cat $<; \
	 echo 'GROUP ( $(slibdir)/libm.so$(libm.so-version) ' \
	      'AS_NEEDED ( $(libdir)/libmvec_nonshared.a $(slibdir)/libmvec.so$(libmvec.so-version) ) )' \
	) > $@.new
	mv -f $@.new $@

$(inst_libdir)/libm-$(version).a: $(objpfx)libm.a \
				  $(+force)
	$(do-install)

$(inst_libdir)/libm.a: $(common-objpfx)format.lds \
		       $(inst_libdir)/libm-$(version).a \
		       $(objpfx)../mathvec/libmvec.a \
		       $(+force)
	(echo '/* GNU ld script'; echo '*/';\
	 cat $<; \
	 echo 'GROUP ( $(libdir)/libm-$(version).a $(libdir)/libmvec.a )' \
	) > $@.new
	mv -f $@.new $@
endif

# Rules for the test suite.
tests = test-matherr-3 test-fenv basic-test \
	test-misc test-fpucw test-fpucw-ieee tst-definitions test-tgmath \
	test-tgmath-ret bug-nextafter bug-nexttoward bug-tgmath1 \
	test-tgmath-int test-tgmath2 test-powl tst-CMPLX tst-CMPLX2 test-snan \
	test-fenv-tls test-fenv-preserve test-fenv-return test-fenvinline \
	test-nearbyint-except test-fenv-clear test-signgam-finite \
	test-signgam-finite-c99 test-signgam-finite-c11 \
	test-nearbyint-except-2 test-signgam-uchar test-signgam-uchar-init \
	test-signgam-uint test-signgam-uint-init test-signgam-ullong \
	test-signgam-ullong-init test-nan-overflow test-nan-payload \
	test-fexcept test-fexcept-traps test-fesetexcept \
	test-fesetexcept-traps test-fetestexceptflag test-femode \
	test-femode-traps test-iszero-excess-precision \
	test-iseqsig-excess-precision test-flt-eval-method \
	test-fp-ilogb-constants test-fp-llogb-constants \
	test-fe-snans-always-signal test-finite-macros test-narrow-macros \
	$(tests-static)
tests-static = test-fpucw-static test-fpucw-ieee-static \
	       test-signgam-uchar-static test-signgam-uchar-init-static \
	       test-signgam-uint-static test-signgam-uint-init-static \
	       test-signgam-ullong-static test-signgam-ullong-init-static
tests-internal = test-matherr test-matherr-2

# These tests use internal (unexported) GMP functions and are linked
# statically to obtain access to these functions.
tests-static += atest-exp atest-sincos atest-exp2

ifneq (,$(CXX))
tests += test-math-isinff test-math-iszero test-math-issignaling \
	 test-math-iscanonical test-math-cxx11 test-math-iseqsig
endif

ifneq (no,$(PERL))
libm-vec-tests = $(addprefix test-,$(libmvec-tests))
libm-test-support = $(foreach t,$(test-types),libm-test-support-$(t))
test-extras += $(libm-test-support)
extra-test-objs += $(addsuffix .o, $(libm-test-support))
libm-vec-test-wrappers = $(addsuffix -wrappers, $(libm-vec-tests))
test-extras += $(libm-vec-test-wrappers)
extra-test-objs += $(addsuffix .o, $(libm-vec-test-wrappers))

ulps-file = $(firstword $(wildcard $(sysdirs:%=%/libm-test-ulps)))

$(objpfx)libm-test-ulps.h: $(ulps-file) gen-libm-test.pl
	$(make-target-directory)
	$(PERL) gen-libm-test.pl -u $< -H $@

libm-test-funcs-auto = acos acosh asin asinh atan atan2 atanh cabs cacos \
		       cacosh carg casin casinh catan catanh cbrt ccos ccosh \
		       cexp clog clog10 cos cosh cpow csin csinh csqrt ctan \
		       ctanh erf erfc exp exp10 exp2 expm1 fma hypot j0 j1 jn \
		       lgamma log log10 log1p log2 pow sin sincos sinh sqrt \
		       tan tanh tgamma y0 y1 yn
libm-test-funcs-noauto = canonicalize ceil cimag conj copysign cproj creal \
			 fabs fdim floor fmax fmaxmag fmin fminmag fmod \
			 fpclassify frexp fromfp fromfpx getpayload ilogb \
			 iscanonical iseqsig isfinite isgreater \
			 isgreaterequal isinf isless islessequal \
			 islessgreater isnan isnormal issignaling issubnormal \
			 isunordered iszero llogb llrint llround logb lrint \
			 lround modf nearbyint nextafter nextdown nexttoward \
			 nextup remainder remquo rint round roundeven scalb \
			 scalbln scalbn setpayload setpayloadsig signbit \
			 significand totalorder totalordermag trunc ufromfp \
			 ufromfpx
libm-test-funcs-narrow = add div mul sub
libm-test-funcs-all = $(libm-test-funcs-auto) $(libm-test-funcs-noauto)
libm-test-c-auto = $(foreach f,$(libm-test-funcs-auto),libm-test-$(f).c)
libm-test-c-noauto = $(foreach f,$(libm-test-funcs-noauto),libm-test-$(f).c)
libm-test-c-narrow = $(foreach f,$(libm-test-funcs-narrow),\
				 libm-test-narrow-$(f).c)
generated += libm-test-ulps.h $(libm-test-c-auto) $(libm-test-c-noauto) \
	     $(libm-test-c-narrow)

libm-tests-base-normal = $(foreach t,$(test-types),test-$(t))
libm-tests-base-finite = $(foreach t,$(test-types),test-$(t)-finite)
libm-tests-base-inline = $(foreach t,$(test-types),test-i$(t))
libm-tests-base-narrow = $(foreach t,$(test-type-pairs),test-$(t))
libm-tests-base = $(libm-tests-base-normal) $(libm-tests-base-finite) \
		  $(libm-tests-base-inline) $(libm-vec-tests)
libm-tests-normal = $(foreach t,$(libm-tests-base-normal),\
				$(foreach f,$(libm-test-funcs-all),\
					    $(t)-$(f)))
libm-tests-finite = $(foreach t,$(libm-tests-base-finite),\
				$(foreach f,$(libm-test-funcs-all),\
					    $(t)-$(f)))
libm-tests-inline = $(foreach t,$(libm-tests-base-inline),\
				$(foreach f,$(libm-test-funcs-all),\
					    $(t)-$(f)))
libm-tests-narrow = $(foreach t,$(libm-tests-base-narrow),\
				$(foreach f,$(libm-test-funcs-narrow),\
					    $(t)-$(f)))
libm-tests-vector = $(foreach t,$(libmvec-tests),\
				$(foreach f,$($(t)-funcs),test-$(t)-$(f)))
libm-tests = $(libm-tests-normal) $(libm-tests-finite) $(libm-tests-inline) \
	     $(libm-tests-narrow) $(libm-tests-vector)
libm-tests-for-type = $(foreach f,$(libm-test-funcs-all),\
				  test-$(1)-$(f) test-$(1)-finite-$(f) \
				  test-i$(1)-$(f)) \
		      $(filter test-$(1)-%,$(libm-tests-vector) \
					   $(libm-tests-narrow))

libm-tests.o = $(addsuffix .o,$(libm-tests))

tests += $(libm-tests)
generated += $(addsuffix .c,$(libm-tests)) \
	     $(foreach t,$(test-types),libm-test-support-$(t).c)

libm-test-c-auto-obj = $(addprefix $(objpfx),$(libm-test-c-auto))
libm-test-c-noauto-obj = $(addprefix $(objpfx),$(libm-test-c-noauto))
libm-test-c-narrow-obj = $(addprefix $(objpfx),$(libm-test-c-narrow))

$(libm-test-c-noauto-obj): $(objpfx)libm-test%.c: libm-test%.inc \
						  gen-libm-test.pl
	$(make-target-directory)
	$(PERL) gen-libm-test.pl -c $< -a /dev/null -C $@

$(libm-test-c-auto-obj): $(objpfx)libm-test%.c: libm-test%.inc \
						gen-libm-test.pl \
						auto-libm-test-out%
	$(make-target-directory)
	$(PERL) gen-libm-test.pl -c $< -a auto-libm-test-out$* -C $@

$(libm-test-c-narrow-obj): $(objpfx)libm-test%.c: libm-test%.inc \
						  gen-libm-test.pl \
						  auto-libm-test-out%
	$(make-target-directory)
	$(PERL) gen-libm-test.pl -c $< -a auto-libm-test-out$* -C $@
endif

ifdef PYTHON
tests += test-tgmath3
generated += test-tgmath3.c
CFLAGS-test-tgmath3.c += -fno-builtin

$(objpfx)test-tgmath3.c: gen-tgmath-tests.py
	$(PYTHON) $< > $@
endif

libm-test-fast-math-cflags = -fno-builtin -D__FAST_MATH__ -DTEST_FAST_MATH
libm-test-vec-cflags = $(libm-test-fast-math-cflags) -fno-inline \
		       -ffloat-store -D_OPENMP=201307 -Wno-unknown-pragmas

CFLAGS-test-double-vlen4-wrappers.c += $(double-vlen4-arch-ext-cflags)

CFLAGS-test-double-vlen8-wrappers.c += $(double-vlen8-arch-ext-cflags)

CFLAGS-test-float-vlen8-wrappers.c += $(float-vlen8-arch-ext-cflags)

CFLAGS-test-float-vlen16-wrappers.c += $(float-vlen16-arch-ext-cflags)

# The no-inline tests use -fsignaling-nans, and thereby use the
# versions of classification macros that support sNaNs.  The inline
# function tests use the versions of classification macros that may
# raise spurious exceptions for sNaNs, but also do not test for
# exceptions.  Thus both versions of the classification macros are
# validated.
libm-test-no-inline-cflags = -fno-inline -ffloat-store -fno-builtin \
			     -fsignaling-nans
libm-test-finite-cflags = $(libm-test-no-inline-cflags) \
			  -U__FINITE_MATH_ONLY__ -D__FINITE_MATH_ONLY__=1
libm-test-inline-cflags = $(libm-test-fast-math-cflags)
CFLAGS-test-tgmath.c += -fno-builtin
# The following testcase uses very long lines (>3 million), so it may take a
# while to compile it. See: http://llvm.org/bugs/show_bug.cgi?id=14106 and
# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54402
CFLAGS-test-tgmath2.c += -fno-builtin
CFLAGS-test-tgmath-ret.c += -fno-builtin
CFLAGS-test-powl.c += -fno-builtin

CFLAGS-test-snan.c += -fsignaling-nans

CFLAGS-test-signgam-finite.c += -ffinite-math-only
CFLAGS-test-signgam-finite-c99.c += -ffinite-math-only -std=c99
CFLAGS-test-signgam-finite-c11.c += -ffinite-math-only -std=c11
CFLAGS-test-signgam-uchar.c += -std=c99
CFLAGS-test-signgam-uchar-init.c += -std=c99
CFLAGS-test-signgam-uchar-static.c += -std=c99
CFLAGS-test-signgam-uchar-init-static.c += -std=c99
CFLAGS-test-signgam-uint.c += -std=c99
CFLAGS-test-signgam-uint-init.c += -std=c99
CFLAGS-test-signgam-uint-static.c += -std=c99
CFLAGS-test-signgam-uint-init-static.c += -std=c99
CFLAGS-test-signgam-ullong.c += -std=c99
CFLAGS-test-signgam-ullong-init.c += -std=c99
CFLAGS-test-signgam-ullong-static.c += -std=c99
CFLAGS-test-signgam-ullong-init-static.c += -std=c99

CFLAGS-test-math-cxx11.cc += -std=c++11

CFLAGS-test-math-isinff.cc += -std=gnu++11
CFLAGS-test-math-iszero.cc += -std=gnu++11
CFLAGS-test-math-issignaling.cc += -std=gnu++11
CFLAGS-test-math-iscanonical.cc += -std=gnu++11

CFLAGS-test-iszero-excess-precision.c += -fexcess-precision=standard
CFLAGS-test-iseqsig-excess-precision.c += -fexcess-precision=standard
CFLAGS-test-flt-eval-method.c += -fexcess-precision=standard

CFLAGS-test-fe-snans-always-signal.c += -fsignaling-nans

CFLAGS-test-finite-macros.c += -ffinite-math-only

include ../Rules

gen-all-calls = $(gen-libm-calls) $(gen-calls)

generated += $(addsuffix .c,$(call type-foreach,$(gen-all-calls))) \
	     gen-libm-templates.stmp

# Create wrappers in the math build directory.
$(objpfx)gen-libm-templates.stmp: Makefile
	$(make-target-directory)
	for gcall in $(gen-all-calls); do                                 \
	  func=$${gcall%F*}$${gcall#*F};                                  \
	  for type in $(foreach t,$(types),$(t)__$(type-$(t)-suffix)); do \
	    suff=$${type#*__};                                            \
	    type=$${type%__*};                                            \
	    file=$(objpfx)$${gcall%F*}$${suff}$${gcall#*F}.c;             \
	    (                                                             \
	      echo "#include <math-type-macros-$${type}.h>";              \
	      echo "#include <$${func}_template.c>";                      \
	    ) > $${file};                                                 \
	  done;                                                           \
	done;                                                             \
	echo > $(@)

# Add dependency to ensure the generator runs prior.
$(foreach t, $(call type-foreach, $(gen-all-calls)), \
             $(objpfx)$(t).c): $(objpfx)gen-libm-templates.stmp

ifneq (no,$(PERL))
# This must come after the inclusion of sysdeps Makefiles via Rules.

$(foreach t,$(libm-tests-normal),$(objpfx)$(t).c): $(objpfx)test-%.c:
	type_func=$*; \
	type=$${type_func%%-*}; \
	func=$${type_func#*-}; \
	( \
	  echo "#include <test-$$type.h>"; \
	  echo "#include <test-math-no-finite.h>"; \
	  echo "#include <test-math-no-inline.h>"; \
	  echo "#include <test-math-errno.h>"; \
	  echo "#include <test-math-scalar.h>"; \
	  echo "#include <libm-test-$$func.c>"; \
	) > $@

$(foreach t,$(libm-tests-finite),$(objpfx)$(t).c): $(objpfx)test-%.c:
	type_func=$*; \
	type=$${type_func%%-*}; \
	func=$${type_func#*-finite-}; \
	( \
	  echo "#include <test-$$type.h>"; \
	  echo "#include <test-math-finite.h>"; \
	  echo "#include <test-math-no-inline.h>"; \
	  echo "#include <test-math-scalar.h>"; \
	  echo "#include <libm-test-$$func.c>"; \
	) > $@

$(foreach t,$(libm-tests-inline),$(objpfx)$(t).c): $(objpfx)test-i%.c:
	type_func=$*; \
	type=$${type_func%%-*}; \
	func=$${type_func#*-}; \
	( \
	  echo "#include <test-$$type.h>"; \
	  echo "#include <test-math-inline.h>"; \
	  echo "#include <test-math-scalar.h>"; \
	  echo "#include <libm-test-$$func.c>"; \
	) > $@

$(foreach t,$(libm-tests-narrow),$(objpfx)$(t).c): $(objpfx)test-%.c:
	type_pair_func=$*; \
	type_pair=$${type_pair_func%-*}; \
	func=$${type_pair_func##*-}; \
	ret_type=$${type_pair%%-*}; \
	arg_type=$${type_pair#*-}; \
	( \
	  echo "#include <test-$$ret_type.h>"; \
	  echo "#include <test-arg-$$arg_type.h>"; \
	  echo "#include <test-math-no-finite.h>"; \
	  echo "#include <test-math-no-inline.h>"; \
	  echo "#include <test-math-errno.h>"; \
	  echo "#include <test-math-narrow.h>"; \
	  echo "#include <libm-test-narrow-$$func.c>"; \
	) > $@

$(foreach t,$(libm-tests-vector),$(objpfx)$(t).c): $(objpfx)test-%.c:
	type_func=$*; \
	type=$${type_func%-*}; \
	func=$${type_func##*-}; \
	func_args=$$(grep ALL_RM_TEST libm-test-$$func.inc \
		     | sed 's/.*RUN_TEST_LOOP_//;s/_.*//'); \
	( \
	  echo "#include <test-$$type.h>"; \
	  echo "WRAPPER_DECL_$$func_args (WRAPPER_NAME (FUNC ($$func)))"; \
	  echo "#include <libm-test-$$func.c>"; \
	) > $@

$(foreach t,$(test-types),\
	    $(objpfx)libm-test-support-$(t).c): $(objpfx)libm-test-support-%.c:
	( \
	  echo "#include <test-$*.h>"; \
	  echo "#include <libm-test-support.c>"; \
	) > $@

$(addprefix $(objpfx), $(libm-tests.o)): $(objpfx)libm-test-ulps.h

define o-iterator-doit
$(foreach f,$(libm-test-funcs-all),\
	    $(objpfx)$(o)-$(f).o): $(objpfx)$(o)%.o: $(objpfx)libm-test%.c
endef
object-suffixes-left := $(libm-tests-base)
include $(o-iterator)

define o-iterator-doit
$(foreach f,$(libm-test-funcs-narrow),\
	    $(objpfx)$(o)-$(f).o): $(objpfx)$(o)%.o: \
				   $(objpfx)libm-test-narrow%.c
endef
object-suffixes-left := $(libm-tests-base-narrow)
include $(o-iterator)

define o-iterator-doit
$(foreach f,$(libm-test-funcs-all),\
	    $(objpfx)$(o)-$(f).o): CFLAGS += $(libm-test-no-inline-cflags)
endef
object-suffixes-left := $(libm-tests-base-normal)
include $(o-iterator)

define o-iterator-doit
$(foreach f,$(libm-test-funcs-all),\
	    $(objpfx)$(o)-$(f).o): CFLAGS += $(libm-test-finite-cflags)
endef
object-suffixes-left := $(libm-tests-base-finite)
include $(o-iterator)

define o-iterator-doit
$(foreach f,$(libm-test-funcs-all),\
	    $(objpfx)$(o)-$(f).o): CFLAGS += $(libm-test-inline-cflags)
endef
object-suffixes-left := $(libm-tests-base-inline)
include $(o-iterator)

define o-iterator-doit
$(foreach f,$(libm-test-funcs-narrow),\
	    $(objpfx)$(o)-$(f).o): CFLAGS += $(libm-test-no-inline-cflags)
endef
object-suffixes-left := $(libm-tests-base-narrow)
include $(o-iterator)

define o-iterator-doit
$(foreach f,$($(o)-funcs),\
	    $(objpfx)test-$(o)-$(f).o): CFLAGS += $(libm-test-vec-cflags)
endef
object-suffixes-left := $(libmvec-tests)
include $(o-iterator)

define o-iterator-doit
$(addprefix $(objpfx),\
	    $(call libm-tests-for-type,$(o))): $(objpfx)libm-test-support-$(o).o
endef
object-suffixes-left := $(test-types)
include $(o-iterator)

define o-iterator-doit
$(objpfx)libm-test-support-$(o).o: CFLAGS += $(libm-test-no-inline-cflags)
endef
object-suffixes-left := $(test-types)
include $(o-iterator)

# Run the math programs to automatically generate ULPs files.
.PHONY: regen-ulps

run-regen-ulps = $(test-wrapper-env) \
	    $(run-program-env) \
	    $($*-ENV) $(rtld-prefix) $(objpfx)$${run}

regen-ulps: $(addprefix $(objpfx),$(libm-tests))
	rm -f $(objpfx)ULPs; rm -f $(objpfx)NewUlps; \
	cp $(ulps-file) $(objpfx)libm-test-ulps; \
	for run in $(libm-tests); do \
	  echo "Regenerating ULPs for $${run}"; \
	  $(run-regen-ulps) -u -o $(objpfx); \
	  cat $(objpfx)ULPs >> $(objpfx)libm-test-ulps; \
	  rm $(objpfx)ULPs; \
	done; \
	$(PERL) gen-libm-test.pl -n $(objpfx)NewUlps \
				 -u $(objpfx)libm-test-ulps; \
	echo "Automatic regeneration of ULPs complete."; \
	echo "Difference between the current baseline and the new baseline is:";\
	diff -urN $(ulps-file) $(objpfx)NewUlps; \
	echo "Copy $(objpfx)NewUlps to $(ulps-file) (relative to source)."
else
regen-ulps:
	@echo "Automatic regeneration of ULPs requires perl."; \
	exit 1;
endif

# The generated sysd-rules file defines rules like this for sources
# coming from sysdeps/ directories.  These rules find the generic sources.
define o-iterator-doit
$(objpfx)m_%$o: s_%.c $(before-compile); $$(compile-command.c)
endef
object-suffixes-left := $(all-object-suffixes)
include $(o-iterator)

# Likewise, for those generated files shared with libc.
define o-iterator-doit
$(objpfx)m_%$o: $(objpfx)s_%.c $(before-compile); $$(compile-command.c)
endef
object-suffixes-left := $(all-object-suffixes)
include $(o-iterator)

# We don't want the fdlibm code to use the inline math functions,
# only the fdlibm code.
math-CPPFLAGS += -D__NO_MATH_INLINES -D__LIBC_INTERNAL_MATH_INLINES

ifneq ($(long-double-fcts),yes)
# The `double' and `long double' types are the same on this machine.
# We won't compile the `long double' code at all.  Tell the `double' code
# to define aliases for the `FUNCl' names.
math-CPPFLAGS += -DNO_LONG_DOUBLE
endif

# These files quiet sNaNs in a way that is optimized away without
# -fsignaling-nans.
CFLAGS-s_modf.c += -fsignaling-nans
CFLAGS-s_modff.c += -fsignaling-nans
CFLAGS-s_modfl.c += -fsignaling-nans
CFLAGS-s_modff128.c += -fsignaling-nans

$(addprefix $(objpfx),\
	    $(filter-out $(tests-static) $(libm-tests-vector),\
			 $(tests) $(tests-internal))): $(libm)
$(addprefix $(objpfx),$(tests-static)): $(objpfx)libm.a
define o-iterator-doit
$(foreach f,$($(o)-funcs),\
	    $(objpfx)test-$(o)-$(f)): $(objpfx)test-$(o)-wrappers.o \
				      $(libm) $(libmvec)
endef
object-suffixes-left := $(libmvec-tests)
include $(o-iterator)

$(objpfx)test-fenv-tls: $(shared-thread-library)