qiurui
/
glibc
mirror of git://sourceware.org/git/glibc.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

* sysdeps/ieee754/k_standard.c (__kernel_standard): Pole errors 

for lgamma should se errno to ERANGE, not EDOM.
	* math/libm-test.inc (lgamma_test): Check errno for pole errors.
This commit is contained in:
Ulrich Drepper 2009-04-25 08:12:24 +00:00
parent db6edfb341
commit e971e76d8d
3 changed files with 8 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
ChangeLog
View File

@ -1,5 +1,9 @@
2009-04-25 Ulrich Drepper <drepper@redhat.com> 2009-04-25 Ulrich Drepper <drepper@redhat.com>
* sysdeps/ieee754/k_standard.c (__kernel_standard): Pole errors
for lgamma should se errno to ERANGE, not EDOM.
* math/libm-test.inc (lgamma_test): Check errno for pole errors.
* sysdeps/generic/stdint.h (WINT_MAX): Define as 2147483647 since * sysdeps/generic/stdint.h (WINT_MAX): Define as 2147483647 since
this is the maximum UCS4 value. this is the maximum UCS4 value.

2
math/libm-test.inc
View File

@ -3241,7 +3241,9 @@ lgamma_test (void)
TEST_f_f (lgamma, nan_value, nan_value); TEST_f_f (lgamma, nan_value, nan_value);
/* lgamma (x) == +inf plus divide by zero exception for integer x <= 0. */ /* lgamma (x) == +inf plus divide by zero exception for integer x <= 0. */
errno = 0;
TEST_f_f (lgamma, -3, plus_infty, DIVIDE_BY_ZERO_EXCEPTION); TEST_f_f (lgamma, -3, plus_infty, DIVIDE_BY_ZERO_EXCEPTION);
check_int ("errno for lgamma(-integer) == ERANGE", errno, ERANGE, 0, 0, 0);
TEST_f_f (lgamma, minus_infty, plus_infty); TEST_f_f (lgamma, minus_infty, plus_infty);
TEST_f_f1 (lgamma, 1, 0, 1); TEST_f_f1 (lgamma, 1, 0, 1);

2
sysdeps/ieee754/k_standard.c
View File

@ -383,7 +383,7 @@ static double zero = 0.0; /* used as const */
else else
exc.retval = HUGE_VAL; exc.retval = HUGE_VAL;
if (_LIB_VERSION == _POSIX_) if (_LIB_VERSION == _POSIX_)
__set_errno (EDOM); __set_errno (ERANGE);
else if (!matherr(&exc)) { else if (!matherr(&exc)) {
if (_LIB_VERSION == _SVID_) { if (_LIB_VERSION == _SVID_) {
(void) WRITE2("lgamma: SING error\n", 19); (void) WRITE2("lgamma: SING error\n", 19);