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560 Commits

Author SHA1 Message Date
Joseph Myers
8627a2329c Fix fma missing underflows and bad results for some subnormal results (bugs 14152, 14783). 2012-10-30 13:54:50 +00:00
Markus Trippelsdorf
d077f65fc8 Comment on slow compilation of math/test-tgmath2.c 
The math/test-tgmath2.c 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
 2012-10-18 16:03:49 -04:00
Joseph Myers
f9b9d9c945 Don't call feclearexcept in gamma function tests. 2012-10-17 23:42:32 +00:00
Joseph Myers
0e8e0c1c93 Make libm-test.inc test comparison macros. 2012-10-09 23:34:12 +00:00
Joseph Myers
ef1bb3618c Improve libm test coverage of classification macros / functions. 2012-10-08 22:22:23 +00:00
Joseph Myers
28234b077e Improve libm-test.inc comment. 2012-10-05 17:06:23 +00:00
Joseph Myers
bec749fda1 Fix sign of inexact zero return from fma (bug 14645). 2012-10-01 08:30:06 +00:00
Joseph Myers
8ec5b01346 Fix sign of exact zero return from fma (bug 14638). 2012-09-29 18:31:54 +00:00
Joseph Myers
d032e0d29b Fix inaccuracy of clog, clog10 near |z| = 1 (bug 13629). 2012-09-25 19:43:49 +00:00
Liubov Dmitrieva
6d3bf19931 Fix wrong ussage of sincos for subnormal arguments 2012-09-25 20:41:17 +02:00
Liubov Dmitrieva
4ffffbd272 Add optimized sinf and cosf routines for x86 and x86-64 
* sysdeps/i386/i686/fpu/multiarch/Makefile (sysdep_routines):
	Add s_sinf-sse2, s_conf-sse2.

	* sysdeps/i386/i686/fpu/multiarch/s_sinf-sse2.S: New file.
	* sysdeps/i386/i686/fpu/multiarch/s_cosf-sse2.S: New file.
	* sysdeps/i386/i686/fpu/multiarch/s_sinf.c: New file.
	* sysdeps/i386/i686/fpu/multiarch/s_cosf.c: New file.

	* sysdeps/ieee754/flt-32/s_sinf.c (SINF, SINF_FUNC): Add macros
	for using routine as __sinf_ia32.
	Use macro for function declaration and weak_alias.
	* sysdeps/ieee754/flt-32/s_cosf.c (COSF, COSF_FUNC): Add macros
	for using routine as __cosf_ia32.
	Use macro for function declaration and weak_alias.

	* sysdeps/i386/i686/fpu/multiarch/e_expf-sse2.S: Fix Copyright.
	* sysdeps/i386/i686/fpu/multiarch/e_expf.c: Fix Copyright.

	* sysdeps/x86_64/fpu/s_sinf.S: New file.
	* sysdeps/x86_64/fpu/s_cosf.S: New file.
	* sysdeps/x86_64/fpu/libm-test-ulps: Update.

	* math/libm-test.inc (cos_test): Add more test cases.
	(sin_test): Likewise.
	(sincos_test): Likewise.
 2012-09-03 15:32:13 +02:00
Joseph Myers
d0419dbfbd Improve clog, clog10 handling of values with real or imaginary part slightly above 1 (bug 13629). 2012-07-31 14:21:19 +00:00
Joseph Myers
da865e95bc Improve clog, clog10 handling of values with real or imaginary part 1 (bug 13629). 2012-07-26 11:31:35 +00:00
Marek Polacek
354691b7b5 Set up errno properly for yn. 2012-07-25 12:59:36 +02:00
Thomas Schwinge
c23c33b01e Add missing includes. 
Follow-up to commits 38de94a5ef,
76da726532.
 2012-07-22 22:25:14 +02:00
Marek Polacek
541428fecf Fix ynl return value with LDBL_MIN. 2012-07-12 16:34:47 +02:00
Joseph Myers
638a572eb0 Fix clog, clog10 spurious underflow exceptions (bug 14337). 2012-07-09 11:06:34 +00:00
Joseph Myers
9ad63c23ea Fix tanf underflow close to pi/4 (bug 14154). 2012-07-06 21:19:38 +00:00
Joseph Myers
f17ac40d7c Fix expm1 spurious underflow exceptions (bug 6778). 2012-07-06 11:17:41 +00:00
Joseph Myers
cdfe2c5eb3 Fix csqrt underflow (bugs 14157, 14331). 2012-07-05 11:02:13 +00:00
Joseph Myers
ca61cf32d9 Fix ctan, ctanh of subnormals in round-upwards mode (bug 14328). 2012-07-04 09:55:26 +00:00
Joseph Myers
7a845b2c23 Fix float range reduction problems (bug 14283). 2012-07-03 17:11:41 +00:00
Joseph Myers
e2283f38fe Add cosh tests for bug 14273. 2012-07-03 17:06:55 +00:00
Joseph Myers
10285c2113 Fix pow (0.0, -Inf) (bug 14241). 2012-06-15 11:27:51 +00:00
Joseph Myers
75fa192131 Allow more spurious underflow exceptions from csqrt and Bessel functions. 2012-06-14 14:35:24 +00:00
Joseph Myers
c5bfe3d5ba Fix fmod for subnormals (bug 14048). 2012-06-01 19:05:46 +00:00
Joseph Myers
2d10d547c1 Use more decimal places for long double constants in math.h. 2012-05-31 21:25:48 +00:00
Marek Polacek
d81dcb3569 Fix fma test for underflow. 2012-05-26 13:49:49 +02:00
Joseph Myers
b65504975c Fix acosf underflow (bug 14153). 2012-05-25 11:07:07 +00:00
Joseph Myers
7a25eb06bf Add tests for underflow exception bugs 10846, 14036. 2012-05-24 15:36:54 +00:00
Joseph Myers
795405f956 Don't include exceptions in libm-test-ulps test names. 2012-05-24 12:14:03 +00:00
Joseph Myers
80bad0ccae Test underflow exceptions in libm-test.inc. 2012-05-24 11:26:36 +00:00
Joseph Myers
e0b16cc25c Fix ccos, csin, ccosh, csinh overflows (bug 14123). 2012-05-19 15:35:29 +00:00
Chris Metcalf
0af797def3 math: support platforms with limited FP rounding or exception support 
For some tests, just claim that fetestexcept() always returns true,
so the rest of the test can be compiled.

For libm-test, provide known bogus values for unsupported rounding
modes, so fesetround() will return failure.

Elsewhere, just add some #ifdefs to avoid code that uses particular
FP exceptions if the exceptions aren't supported.
 2012-05-17 08:50:41 -04:00
Roland McGrath
38de94a5ef Add a missing #include. 2012-05-10 15:57:24 -07:00
Adhemerval Zanella
89c9aa491a Fix for logb/logbf/logbl (bugs 13954/13955/13956) 
POSIX 2008 states that if the input for 'logb[f|l]' is a subnormal number
it should be treated as if it were normalized.  This means the
implementation should calculate the log2 of the mantissa and add it to the
subnormal exponent (-126 for float and -1022 for double and IBM long
double).  This patch takes care of that.
 2012-05-10 15:11:55 -05:00
Joseph Myers
495fd99f3a Fix x86/x86_64 expm1l inaccuracy and exceptions (bugs 13885, 13923). 2012-05-07 19:13:08 +00:00
Joseph Myers
d8b82cad1b Fix exp10 inaccuracy and exceptions (bugs 13884, 13914). 2012-05-06 18:23:44 +00:00
Joseph Myers
6c23e11c4d Fix libm-test.inc ulps calculation for subnormals (bug 14064). 2012-05-06 18:20:21 +00:00
Joseph Myers
5779f134a0 Disable one hypot test for inline double testing. 2012-05-05 19:38:31 +00:00
Joseph Myers
41498f4db1 Fix missing exceptions from exp (bugs 13787, 13922, 14036). 2012-05-05 19:37:39 +00:00
Andreas Jaeger
0be196adda Use -frounding-math for math testsuite 
We should tell GCC that we manipulate the rounding mode and
therefore add -frounding-math to these files that call fesetround.
 2012-05-02 16:33:18 +02:00
Joseph Myers
7cb029ee6e Fix nexttoward bugs (bugs 2550, 2570). 2012-05-01 15:37:43 +00:00
Joseph Myers
adfbc8ac9e Fix x86 acos near 1 (bug 13942). 2012-04-30 18:56:39 +00:00
Joseph Myers
5ba3cc691c Fix acos (-1) in round-downwards mode on x86 (bug 14034). 2012-04-30 09:38:06 +00:00
Joseph Myers
9568c0c225 Fix exp10 spurious overflows (bug 13924). 2012-04-30 09:37:01 +00:00
Andreas Schwab
ded5180a3b Don't use long double *_finite functions if no long double math 2012-04-28 22:21:53 +02:00
Ryan S. Arnold
60c8fca7ab Remove spurious '.' in math/libm-test.inc comment. 2012-04-27 12:36:46 -05:00
Ryan S. Arnold
a462cb6332 New test to expose erroneous negative sign on logb(1) (bug 887). 2012-04-27 10:47:39 -05:00
Joseph Myers
6ad3493e22 Fix fenv.h fallback returns (bug 14027). 2012-04-27 13:54:09 +00:00