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glibc/sysdeps/ieee754/dbl-64/wordsize-64
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Joseph Myers 88283451b2 Fix frexp (NaN) (bug 20250). 
Various implementations of frexp functions return sNaN for sNaN
input.  This patch fixes them to add such arguments to themselves so
that qNaN is returned.

Tested for x86_64, x86, mips64 and powerpc.

	[BZ #20250]
	* sysdeps/i386/fpu/s_frexpl.S (__frexpl): Add non-finite input to
	itself.
	* sysdeps/ieee754/dbl-64/s_frexp.c (__frexp): Add non-finite or
	zero input to itself.
	* sysdeps/ieee754/dbl-64/wordsize-64/s_frexp.c (__frexp):
	Likewise.
	* sysdeps/ieee754/flt-32/s_frexpf.c (__frexpf): Likewise.
	* sysdeps/ieee754/ldbl-128/s_frexpl.c (__frexpl): Likewise.
	* sysdeps/ieee754/ldbl-128ibm/s_frexpl.c (__frexpl): Likewise.
	* sysdeps/ieee754/ldbl-96/s_frexpl.c (__frexpl): Likewise.
	* math/libm-test.inc (frexp_test_data): Add sNaN tests.
2016-06-13 17:27:19 +00:00
..
e_acosh.c Use glibc_likely instead __builtin_expect. 2014-02-10 15:07:12 +01:00
e_cosh.c Fix expm1 missing underflows (bug 16353). 2015-06-22 21:06:19 +00:00
e_fmod.c Add #include <stdint.h> for uint[32|64]_t usage (except installed headers). 2013-05-16 11:32:54 -05:00
e_log2.c Use glibc_likely instead __builtin_expect. 2014-02-10 15:07:12 +01:00
e_log10.c Use glibc_likely instead __builtin_expect. 2014-02-10 15:07:12 +01:00
s_ceil.c Do not raise "inexact" from generic ceil (bug 15479). 2016-05-24 17:42:10 +00:00
s_finite.c Fix __finitel libm compat symbol version. 2016-01-20 19:04:43 +00:00
s_floor.c Do not raise "inexact" from generic floor (bug 15479). 2016-05-24 17:44:46 +00:00
s_frexp.c Fix frexp (NaN) (bug 20250). 2016-06-13 17:27:19 +00:00
s_isinf.c math: add LDBL_CLASSIFY_COMPAT support 2015-12-03 13:00:46 -05:00
s_isnan.c math: add LDBL_CLASSIFY_COMPAT support 2015-12-03 13:00:46 -05:00
s_issignaling.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
s_llround.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
s_logb.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
s_lround.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
s_modf.c Add #include <stdint.h> for uint[32|64]_t usage (except installed headers). 2013-05-16 11:32:54 -05:00
s_nearbyint.c Use __copysign rather than copysign. 2015-04-22 12:07:56 +00:00
s_remquo.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
s_rint.c Clean up dbl-64 rint, nearbyint. 2012-03-13 14:12:44 +00:00
s_round.c Do not raise "inexact" from generic round (bug 15479). 2016-05-24 17:46:55 +00:00
s_scalbln.c [BZ #6803] Set errno for scalbln, scalbn 2014-06-20 07:48:20 +05:30
s_scalbn.c Make scalbn set errno (bug 6803). 2015-09-16 21:11:00 +00:00
s_trunc.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00