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

	Commit message (Collapse)	Author	Age	Files	Lines
*	Fix clog / clog10 sign of zero result in round-downward mode (bug 16789).	Joseph Myers	2014-04-02	1	-6/+3
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	This patch fixes bug 16789, incorrect sign of (real part) zero result from clog and clog10 in round-downward mode, arising from that real part being computed as 0 - 0. To ensure that an underflow exception occurred, the code used an underflowing value (the next term in the series for log1p) in arithmetic computing the real part of the result, yielding the problematic 0 - 0 computation in some cases even when the mathematical result would be small but positive. The patch changes this code to use the math_force_eval approach to ensuring that an underflowing computation actually occurs. Tests of clog and clog10 are enabled in all rounding modes. Tested x86_64 and x86 and ulps updated accordingly. [BZ #16789] * math/s_clog.c (__clog): Use math_force_eval to ensure underflow instead of using underflowing value in computing result. * math/s_clog10.c (__clog10): Likewise. * math/s_clog10f.c (__clog10f): Likewise. * math/s_clog10l.c (__clog10l): Likewise. * math/s_clogf.c (__clogf): Likewise. * math/s_clogl.c (__clogl): Likewise. * math/libm-test.inc (clog_test): Use ALL_RM_TEST. (clog10_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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*	Update copyright notices with scripts/update-copyrights.	Joseph Myers	2013-01-02	1	-1/+1
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*	Fix inaccuracy of clog, clog10 near \|z\| = 1 (bug 13629).	Joseph Myers	2012-09-25	1	-0/+13
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*	Improve clog, clog10 handling of values with real or imaginary part slightly ↵	Joseph Myers	2012-07-31	1	-0/+7
\| \| \| \|	above 1 (bug 13629).
*	Improve clog, clog10 handling of values with real or imaginary part 1 (bug ↵	Joseph Myers	2012-07-26	1	-9/+27
\| \| \| \|	13629).
*	Fix clog, clog10 spurious underflow exceptions (bug 14337).	Joseph Myers	2012-07-09	1	-9/+14
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*	Fix clog overflow/underflow (bug 13629).	Joseph Myers	2012-03-19	1	-5/+23
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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	-3/+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/+63
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*	(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.	Ulrich Drepper	2004-12-22	1	-63/+0
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*	2.5-18.1	Jakub Jelinek	2007-07-12	1	-0/+63