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588 Commits

Author SHA1 Message Date
Joseph Myers 8cf28c5ebe Fix casinh spurious underflows away from [-i,i] (bug 15062). 2013-01-31 22:55:29 +00:00
Joseph Myers 728d7b43fc Fix cacos real-part inaccuracy for result real part near 0 (bug 15023). 2013-01-17 20:25:51 +00:00
David S. Miller 32fcb36dbf Add 64-bit VIS3 optimized GMP routines for sparc. 
* math/Makefile: Recognize gmp-sysdep_routines.
	* sysdeps/sparc/sparc64/multiarch/Makefile: Add VIS3 optimized GMP routines
	to sysdeps.
	* sysdeps/sparc/sparc64/multiarch/add_n-vis3.S: New file.
	* sysdeps/sparc/sparc64/multiarch/add_n.S: New file.
	* sysdeps/sparc/sparc64/multiarch/addmul_1-vis3.S: New file.
	* sysdeps/sparc/sparc64/multiarch/addmul_1.S: New file.
	* sysdeps/sparc/sparc64/multiarch/mul_1-vis3.S: New file.
	* sysdeps/sparc/sparc64/multiarch/mul_1.S: New file.
	* sysdeps/sparc/sparc64/multiarch/sub_n-vis3.S: New file.
	* sysdeps/sparc/sparc64/multiarch/sub_n.S: New file.
	* sysdeps/sparc/sparc64/multiarch/submul_1-vis3.S: New file.
	* sysdeps/sparc/sparc64/multiarch/submul_1.S: New file.
 2013-01-11 23:39:02 -08:00
Joseph Myers 828beb132d Use __extension__ with long long in installed headers. 2013-01-10 20:19:45 +00:00
Andreas Schwab 8790af5f9f Revert "CFLAGS-test-tgmath2.c" 
This reverts commit 3167bfc62b.
 2013-01-10 10:44:04 +01:00
Andreas Schwab 3167bfc62b CFLAGS-test-tgmath2.c 2013-01-10 09:59:58 +01:00
Joseph Myers a9708fed77 Fix casinh, casin overflow (bug 14996). 2013-01-07 14:59:53 +00:00
Joseph Myers cdc1c96fba Fix casinh, casin inaccuracy from cancellation (bug 14994). 2013-01-04 13:25:17 +00:00
Joseph Myers 568035b787 Update copyright notices with scripts/update-copyrights. 2013-01-02 19:05:09 +00:00
Mike Frysinger 9c89fca6e0 math: use existing nonnull attribute define 
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
 2012-12-30 13:00:13 -05:00
Joseph Myers 1bead169c3 Fix powl inaccuracy for x86_64 and x86 (bug 13881). 2012-11-28 13:40:54 +00:00
Joseph Myers 7184dcdf26 Disable some fma tests for ldbl-128ibm. 2012-11-22 19:57:58 +00:00
Joseph Myers 0a42601f27 Fix ldbl-128ibm atanl spurious underflows (bug 14871). 2012-11-22 19:56:47 +00:00
Joseph Myers 1468ded38e Fix ldbl-128ibm hypotl internal underflows (bug 14869). 2012-11-22 14:58:41 +00:00
Joseph Myers 8e27e3cc45 Fix ldbl-128ibm hypotl inaccuracy for arguments with large ratio (bug 14868). 2012-11-22 14:57:22 +00:00
Joseph Myers c9c0279bcb Mark some clog / clog10 underflows as expected for IBM long double. 2012-11-22 14:56:14 +00:00
David S. Miller 6d33cc9d9b Fix spurious underflows in ldbl-128 atan implementation. 
With help from Joseph Myers.
	* sysdeps/ieee754/ldbl-128/s_atanl.c (__atanl): Handle tiny and
	very large arguments properly.
	* math/libm-test.inc (atan_test): New tests.
	(atan2_test): New tests.
	* sysdeps/sparc/fpu/libm-test-ulps: Update.
	* sysdeps/x86_64/fpu/libm-test-ulps: Update.
 2012-11-19 15:31:24 -08:00
David S. Miller 05b227bdae Correct tinyness handling in long-double and float y0/y1. 
With help from Joseph Myers.
	* sysdeps/ieee754/flt-32/e_j0f.c (__ieee754_y0f): Adjust tinyness
	cutoff to 2**-13.
	* sysdeps/ieee754/flt-32/e_j1f.c (__ieee754_y1f): Adjust tinyness
	cutoff to 2**-25.
	* sysdeps/ieee754/ldbl-128/e_j0l.c (U0): New constant.
	( __ieee754_y0l): Avoid arithmetic underflow when 'x' is very
	small.
	* sysdeps/ieee754/ldbl-128/e_j1l.c (__ieee754_y1l): Likewise.
	* math/libm-test.inc (y0_test): New tests.
	(y1_test): New tests.
	* sysdeps/i386/fpu/libm-test-ulps: Update.
	* sysdeps/x86_64/fpu/libm-test-ulps: Update.
	* sysdeps/sparc/fpu/libm-test-ulps: Update.
 2012-11-18 12:33:53 -08:00
Marcus Shawcroft 2fd8978571 Fix buffer overflow in libm-test.inc check_complex() 2012-11-15 18:02:03 +00:00
Joseph Myers 60e235ee2a Fix spurious underflows from pow with results close to 1 (bug 14811). 2012-11-07 13:03:31 +00:00
Joseph Myers 82477c28f4 Fix fma underflows with small x * y (bug 14793). 2012-11-06 14:12:54 +00:00
Joseph Myers a0c2940d67 Fix fma overflow results outside round-to-nearest mode (bug 14797). 2012-11-04 19:26:02 +00:00
Thomas Schwinge b830319d49 [BZ #157] Remove include/stub-tag.h for good. 2012-11-04 19:59:40 +01:00
Joseph Myers 5b5b04d628 Make fma use of Dekker and Knuth algorithms use round-to-nearest (bug 14796). 2012-11-03 19:48:53 +00:00
Joseph Myers 0155d5b26e Make math.h FP_* macros usable in #if (bug 3439). 2012-11-02 22:11:21 +00:00
Joseph Myers 473611b22d Fix fma (a, b, c) for small a * b (bugs 14784, 14785). 2012-11-01 16:47:26 +00:00
Joseph Myers 16a0e2ec87 Fix ldbl-128ibm atan2l for x near 1. 2012-10-31 20:44:59 +00:00
Joseph Myers ef82f4da79 Fix fma underflow exceptions in after-rounding edge cases. 2012-10-31 13:01:17 +00:00
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