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ad39cce0da
glibc/sysdeps/ieee754/ldbl-128ibm
History
Joseph Myers ad39cce0da Fix sin, sincos missing underflows (bug 16526, bug 16538). 
Similar to various other bugs in this area, some sin and sincos
implementations do not raise the underflow exception for subnormal
arguments, when the result is tiny and inexact.  This patch forces the
exception in a similar way to previous fixes.

Tested for x86_64, x86, mips64 and powerpc.

	[BZ #16526]
	[BZ #16538]
	* sysdeps/ieee754/dbl-64/s_sin.c: Include <float.h>.
	(__sin): Force underflow exception for arguments with small
	absolute value.
	* sysdeps/ieee754/flt-32/k_sinf.c: Include <float.h>.
	(__kernel_sinf): Force underflow exception for arguments with
	small absolute value.
	* sysdeps/ieee754/ldbl-128/k_sincosl.c: Include <float.h>.
	(__kernel_sincosl): Force underflow exception for arguments with
	small absolute value.
	* sysdeps/ieee754/ldbl-128/k_sinl.c: Include <float.h>.
	(__kernel_sinl): Force underflow exception for arguments with
	small absolute value.
	* sysdeps/ieee754/ldbl-128ibm/k_sincosl.c: Include <float.h>.
	(__kernel_sincosl): Force underflow exception for arguments with
	small absolute value.
	* sysdeps/ieee754/ldbl-128ibm/k_sinl.c: Include <float.h>.
	(__kernel_sinl): Force underflow exception for arguments with
	small absolute value.
	* sysdeps/ieee754/ldbl-96/k_sinl.c: Include <float.h>.
	(__kernel_sinl): Force underflow exception for arguments with
	small absolute value.
	* sysdeps/powerpc/fpu/k_sinf.c: Include <float.h>.
	(__kernel_sinf): Force underflow exception for arguments with
	small absolute value.
	* math/auto-libm-test-in: Add more tests of sin and sincos.
	* math/auto-libm-test-out: Regenerated.
2015-06-23 22:24:20 +00:00
..
e_acoshl.c Fix ldbl-128ibm acoshl inaccuracy (bug 18019). 2015-02-25 00:01:15 +00:00
e_acosl.c This patch renames all uses of __isinf*, __isnan*, __finite* and __signbit* to use standard C99 macros. This has no effect on generated code. 2015-06-03 15:41:36 +01:00
e_asinl.c This patch renames all uses of __isinf*, __isnan*, __finite* and __signbit* to use standard C99 macros. This has no effect on generated code. 2015-06-03 15:41:36 +01:00
e_atan2l.c PowerPC floating point little-endian [3 of 15] 2013-10-04 10:32:36 +09:30
e_atanhl.c Fix atanhl missing underflows (bug 16352). 2015-05-15 22:07:57 +00:00
e_coshl.c Fix cosh spurious underflows from expm1 (bug 16354), inaccurate results near 0 (bug 17061). 2014-06-23 20:20:10 +00:00
e_exp10l.c This patch renames all uses of __isinf*, __isnan*, __finite* and __signbit* to use standard C99 macros. This has no effect on generated code. 2015-06-03 15:41:36 +01:00
e_expl.c This patch renames all uses of __isinf*, __isnan*, __finite* and __signbit* to use standard C99 macros. This has no effect on generated code. 2015-06-03 15:41:36 +01:00
e_fmodl.c Use glibc_likely instead __builtin_expect. 2014-02-10 15:07:12 +01:00
e_gammal_r.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
e_hypotl.c PowerPC floating point little-endian [4 of 15] 2013-10-04 10:32:48 +09:30
e_ilogbl.c Fix ldbl-128ibm ilogbl near powers of 2 (bug 18029). 2015-02-26 12:57:21 +00:00
e_j0l.c
e_j1l.c
e_jnl.c This patch renames all uses of __isinf*, __isnan*, __finite* and __signbit* to use standard C99 macros. This has no effect on generated code. 2015-06-03 15:41:36 +01:00
e_lgammal_r.c
e_log2l.c Fix log2 (1) in round-downward mode (bug 17042). 2014-06-10 12:07:15 +00:00
e_log10l.c Fix log10 (1) in round-downward mode (bug 16977). 2014-05-23 12:07:50 +00:00
e_logl.c Fix ldbl-128ibm logl inaccuracy (bug 16386). 2014-01-02 16:35:46 +00:00
e_powl.c PowerPC floating point little-endian [3 of 15] 2013-10-04 10:32:36 +09:30
e_rem_pio2l.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
e_remainderl.c PowerPC floating point little-endian [4 of 15] 2013-10-04 10:32:48 +09:30
e_sinhl.c PowerPC floating point little-endian [2 of 15] 2013-10-04 10:32:19 +09:30
e_sqrtl.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
gamma_productl.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
ieee754.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
k_cosl.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
k_sincosl.c Fix sin, sincos missing underflows (bug 16526, bug 16538). 2015-06-23 22:24:20 +00:00
k_sinl.c Fix sin, sincos missing underflows (bug 16526, bug 16538). 2015-06-23 22:24:20 +00:00
k_tanl.c Fix ldbl-128 / ldbl-128ibm tanl for -Wuninitialized. 2015-05-22 20:13:44 +00:00
ldbl2mpn.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
Makefile
math_ldbl.h Use glibc_likely instead __builtin_expect. 2014-02-10 15:07:12 +01:00
mpn2ldbl.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
printf_fphex.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
s_asinhl.c Fix asinh missing underflows (bug 16350). 2015-06-18 23:27:41 +00:00
s_atanl.c Fix atan / atan2 missing underflows (bug 15319). 2015-02-18 21:10:49 +00:00
s_cbrtl.c
s_ceill.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
s_copysignl.c Remove IS_IN_libm 2014-11-24 11:41:47 +05:30
s_cosl.c PowerPC floating point little-endian [2 of 15] 2013-10-04 10:32:19 +09:30
s_erfl.c Fix ldbl-128 / ldbl-128ibm erfcl for -Wuninitialized 2015-05-22 17:48:45 +00:00
s_expm1l.c Fix ldbl-128ibm expm1l on large arguments (bug 16408). 2014-01-08 13:32:39 +00:00
s_fabsl.c PowerPC floating point little-endian [2 of 15] 2013-10-04 10:32:19 +09:30
s_finitel.c Remove IS_IN_libm 2014-11-24 11:41:47 +05:30
s_floorl.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
s_fmal.c Replace finite with isfinite. 2015-06-03 16:35:44 +01:00
s_fpclassifyl.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
s_frexpl.c FIx ldbl-128ibm frexpl for 32-bit systems (bug 16619, bug 16740). 2014-11-26 13:54:55 +00:00
s_isinf_nsl.c PowerPC floating point little-endian [3 of 15] 2013-10-04 10:32:36 +09:30
s_isinfl.c Remove IS_IN_libm 2014-11-24 11:41:47 +05:30
s_isnanl.c Remove IS_IN_libm 2014-11-24 11:41:47 +05:30
s_issignalingl.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
s_llrintl.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
s_llroundl.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
s_log1pl.c Set errno for log1p on pole/domain error. 2015-04-13 21:19:27 +02:00
s_logbl.c Fix ldbl-128ibm logbl near powers of 2 (bug 18030). 2015-02-26 15:14:58 +00:00
s_lrintl.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
s_lroundl.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
s_modfl.c Remove IS_IN_libm 2014-11-24 11:41:47 +05:30
s_nearbyintl.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
s_nextafterl.c Correct IBM long double nextafterl. 2014-04-02 13:46:19 +10:30
s_nexttoward.c PowerPC floating point little-endian [3 of 15] 2013-10-04 10:32:36 +09:30
s_nexttowardf.c PowerPC floating point little-endian [3 of 15] 2013-10-04 10:32:36 +09:30
s_remquol.c Fix sign of remquo zero remainder in round-downward mode (bug 17987). 2015-02-17 00:41:50 +00:00
s_rintl.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
s_roundl.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
s_scalblnl.c [BZ #6803] Set errno for scalbln, scalbn 2014-06-20 07:48:20 +05:30
s_scalbnl.c Remove IS_IN_libm 2014-11-24 11:41:47 +05:30
s_signbitl.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
s_sincosl.c Fix sincos errno setting (bug 15467). 2015-02-11 23:17:25 +00:00
s_sinl.c PowerPC floating point little-endian [2 of 15] 2013-10-04 10:32:19 +09:30
s_tanhl.c PowerPC floating point little-endian [3 of 15] 2013-10-04 10:32:36 +09:30
s_tanl.c PowerPC floating point little-endian [2 of 15] 2013-10-04 10:32:19 +09:30
s_truncl.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
strtold_l.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
t_sincosl.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
w_expl.c This patch renames all uses of __isinf*, __isnan*, __finite* and __signbit* to use standard C99 macros. This has no effect on generated code. 2015-06-03 15:41:36 +01:00
w_log1pl.c Set errno for log1p on pole/domain error. 2015-04-13 21:19:27 +02:00
w_scalblnl.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
x2y2m1l.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00