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

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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
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4
ChangeLog
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@ -1,5 +1,9 @@
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
this is the maximum UCS4 value.

2
math/libm-test.inc
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@ -3241,7 +3241,9 @@ lgamma_test (void)
TEST_f_f (lgamma, nan_value, nan_value);
/* 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);
check_int ("errno for lgamma(-integer) == ERANGE", errno, ERANGE, 0, 0, 0);
TEST_f_f (lgamma, minus_infty, plus_infty);
TEST_f_f1 (lgamma, 1, 0, 1);

4
sysdeps/ieee754/k_standard.c
View File

@ -383,7 +383,7 @@ static double zero = 0.0; /* used as const */
else
exc.retval = HUGE_VAL;
if (_LIB_VERSION == _POSIX_)
__set_errno (EDOM);
__set_errno (ERANGE);
else if (!matherr(&exc)) {
if (_LIB_VERSION == _SVID_) {
(void) WRITE2("lgamma: SING error\n", 19);
@ -990,7 +990,7 @@ static double zero = 0.0; /* used as const */
__set_errno (ERANGE);
}
break;
/* #### Last used is 50/150/250 ### */
}
return exc.retval;