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Fix tgamma errno setting on domain error (bug 6809).

This commit is contained in:
Joseph Myers 2013-05-10 11:35:11 +00:00
parent 4c0fe6fe42
commit ab2b94613d
6 changed files with 29 additions and 14 deletions
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12
ChangeLog
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@ -1,3 +1,15 @@
2013-05-10 Joseph Myers <joseph@codesourcery.com>
[BZ #6809]
* math/w_tgamma.c (__tgamma): Also call __kernel_standard for
negative infinity argument.
* math/w_tgammaf.c (__tgammaf): Also call __kernel_standard_f for
negative infinity argument.
* math/w_tgammal.c (__tgammal): Also call __kernel_standard_l for
negative infinity argument.
* math/libm-test.inc (tgamma_test): Expect errno to be set for
domain errors.
2013-05-10 Florian Weimer <fweimer@redhat.com>
* elf/sprof.c (load_profdata): Use fstat64 instead of fstat.

16
NEWS
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@ -9,14 +9,14 @@ Version 2.18
* The following bugs are resolved with this release:
2546, 2560, 5159, 10060, 10062, 10357, 11120, 11561, 12723, 13550, 13889,
13951, 13988, 14142, 14176, 14200, 14280, 14293, 14317, 14327, 14478,
14496, 14686, 14812, 14888, 14920, 14952, 14964, 14981, 14982, 14985,
14994, 14996, 15003, 15006, 15007, 15020, 15023, 15036, 15054, 15055,
15062, 15078, 15084, 15085, 15086, 15160, 15214, 15221, 15232, 15234,
15283, 15285, 15287, 15304, 15305, 15307, 15309, 15327, 15330, 15335,
15336, 15337, 15342, 15346, 15359, 15361, 15366, 15380, 15394, 15395,
15405, 15406, 15409, 15416, 15418, 15419, 15423, 15426, 15429.
2546, 2560, 5159, 6809, 10060, 10062, 10357, 11120, 11561, 12723, 13550,
13889, 13951, 13988, 14142, 14176, 14200, 14280, 14293, 14317, 14327,
14478, 14496, 14686, 14812, 14888, 14920, 14952, 14964, 14981, 14982,
14985, 14994, 14996, 15003, 15006, 15007, 15020, 15023, 15036, 15054,
15055, 15062, 15078, 15084, 15085, 15086, 15160, 15214, 15221, 15232,
15234, 15283, 15285, 15287, 15304, 15305, 15307, 15309, 15327, 15330,
15335, 15336, 15337, 15342, 15346, 15359, 15361, 15366, 15380, 15394,
15395, 15405, 15406, 15409, 15416, 15418, 15419, 15423, 15426, 15429.
* CVE-2013-0242 Buffer overrun in regexp matcher has been fixed (Bugzilla
#15078).

6
math/libm-test.inc
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@ -13615,9 +13615,9 @@ tgamma_test (void)
TEST_f_f (tgamma, 0, plus_infty, DIVIDE_BY_ZERO_EXCEPTION);
TEST_f_f (tgamma, minus_zero, minus_infty, DIVIDE_BY_ZERO_EXCEPTION);
/* tgamma (x) == qNaN plus invalid exception for integer x <= 0. */
TEST_f_f (tgamma, -2, qnan_value, INVALID_EXCEPTION);
TEST_f_f (tgamma, -max_value, qnan_value, INVALID_EXCEPTION);
TEST_f_f (tgamma, minus_infty, qnan_value, INVALID_EXCEPTION);
TEST_f_f (tgamma, -2, qnan_value, INVALID_EXCEPTION|ERRNO_EDOM);
TEST_f_f (tgamma, -max_value, qnan_value, INVALID_EXCEPTION|ERRNO_EDOM);
TEST_f_f (tgamma, minus_infty, qnan_value, INVALID_EXCEPTION|ERRNO_EDOM);
TEST_f_f (tgamma, qnan_value, qnan_value);
TEST_f_f (tgamma, 0.5, M_SQRT_PIl);

3
math/w_tgamma.c
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@ -24,7 +24,8 @@ __tgamma(double x)
int local_signgam;
double y = __ieee754_gamma_r(x,&local_signgam);
if(__builtin_expect(!__finite(y), 0)&&__finite(x)
if(__builtin_expect(!__finite(y), 0)
&& (__finite (x) || __isinf (x) < 0)
&& _LIB_VERSION != _IEEE_) {
if (x == 0.0)
return __kernel_standard(x,x,50); /* tgamma pole */

3
math/w_tgammaf.c
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@ -22,7 +22,8 @@ __tgammaf(float x)
int local_signgam;
float y = __ieee754_gammaf_r(x,&local_signgam);
if(__builtin_expect(!__finitef(y), 0) && __finitef(x)
if(__builtin_expect(!__finitef(y), 0)
&& (__finitef (x) || __isinff (x) < 0)
&& _LIB_VERSION != _IEEE_) {
if (x == (float)0.0)
/* tgammaf pole */

3
math/w_tgammal.c
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@ -27,7 +27,8 @@ __tgammal(long double x)
int local_signgam;
long double y = __ieee754_gammal_r(x,&local_signgam);
if(__builtin_expect(!__finitel(y), 0) && __finitel(x)
if(__builtin_expect(!__finitel(y), 0)
&& (__finitel (x) || __isinfl (x) < 0)
&& _LIB_VERSION != _IEEE_) {
if(x==0.0)
return __kernel_standard_l(x,x,250); /* tgamma pole */