mirror/glibc - mirror of git://sourceware.org/git/glibc.git

	Commit message (Collapse)	Author	Age	Files	Lines
*	Update copyright dates with scripts/update-copyrights.	Joseph Myers	2015-01-02	1	-1/+1
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*	Fix catan, catanh, __ieee754_logf in round-downward mode (bug 16799, bug 16800).	Joseph Myers	2014-04-02	1	-1/+5
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	This patch fixes incorrect results from catan and catanh of certain special inputs in round-downward mode (bug 16799), and incorrect results of __ieee754_logf (+/-0) in round-downward mode (bug 16800) that show up through catan/catanh when tested in all rounding modes, but not directly in the testing for logf because the bug gets hidden by the wrappers. Both bugs involve a zero that should be +0 being -0 instead: one computed as (1-x)(1+x) in the catan/catanh case, and one as (x-x) in the logf case. The fixes ensure positive zero is used. Testing of catan and catanh in all rounding modes is duly enabled. I expect there are various other bugs in special cases in __ieee754_ functions that are normally hidden by the wrappers but would show up for testing with -lieee (or in future with -fno-math-errno if we replace -lieee and _LIB_VERSION with compile-time redirection to new _noerrno symbol names). Tested x86_64 and x86 and ulps updated accordingly. [BZ #16799] [BZ #16800] math/s_catan.c (__catan): Avoid passing -0 denominator to atan2 with 0 numerator. * math/s_catanf.c (__catanf): Likewise. * math/s_catanh.c (__catanh): Likewise. * math/s_catanhf.c (__catanhf): Likewise. * math/s_catanhl.c (__catanhl): Likewise. * math/s_catanl.c (__catanl): Likewise. * sysdeps/ieee754/flt-32/e_logf.c (__ieee754_logf): Always divide by positive zero when computing -Inf result. * math/libm-test.inc (catan_test): Use ALL_RM_TEST. (catanh_test): Likewise. * sysdeps/i386/fpu/libm-test-ulps: Update. * sysdeps/x86_64/fpu/libm-test-ulps: Likewise.
*	Use glibc_likely instead __builtin_expect.	Ondřej Bílka	2014-02-10	1	-2/+2
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*	Update copyright notices with scripts/update-copyrights	Allan McRae	2014-01-01	1	-1/+1
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*	Fix catan, catanh spurious underflows (bug 15423).	Joseph Myers	2013-05-01	1	-16/+26
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*	Fix catan, catanh inaccuracy from atan2 denominators near 0 (bug 15416).	Joseph Myers	2013-04-30	1	-3/+19
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*	Fix catan, catanh spurious overflows (bug 15409).	Joseph Myers	2013-04-27	1	-15/+40
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*	Fix catan, catanh missing underflows (bug 15406).	Joseph Myers	2013-04-26	1	-1/+12
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*	Use suffixed floating-point constants in float and long double catan/catanh.	Joseph Myers	2013-04-24	1	-7/+7
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*	Fix catan, catanh inaccuracy through use of log (bug 15394).	Joseph Myers	2013-04-24	1	-2/+9
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*	Update copyright notices with scripts/update-copyrights.	Joseph Myers	2013-01-02	1	-1/+1
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*	Replace FSF snail mail address with URLs.	Paul Eggert	2012-02-09	1	-3/+2
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*	Add branch predictions to complex math code	Ulrich Drepper	2011-10-22	1	-4/+3
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*	Use private math_private.h in files in math/	Ulrich Drepper	2011-10-08	1	-1/+1
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*	Moved to csu/errno-loc.c.	Ulrich Drepper	2005-12-14	1	-0/+85
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*	(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.	Ulrich Drepper	2004-12-22	1	-85/+0
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*	2.5-18.1	Jakub Jelinek	2007-07-12	1	-0/+85