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Set up errno properly for yn.

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This commit is contained in:
Marek Polacek 2012-07-25 12:59:36 +02:00
parent bf9e20711e
commit 354691b7b5
8 changed files with 36 additions and 1 deletions
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11
ChangeLog
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@ -1,3 +1,14 @@
2012-07-25 Marek Polacek <polacek@redhat.com>
[BZ #6808]
* math/libm-test.inc (yn_test): Add another test.
* sysdeps/ieee754/ldbl-128ibm/e_jnl.c (__ieee754_ynl): Set errno
to ERANGE when the result is +-Inf.
* sysdeps/ieee754/ldbl-96/e_jnl.c (__ieee754_ynl): Likewise.
* sysdeps/ieee754/flt-32/e_jnf.c (__ieee754_ynf): Likewise.
* sysdeps/ieee754/ldbl-128/e_jnl.c (__ieee754_ynl): Likewise.
* sysdeps/ieee754/dbl-64/e_jn.c (__ieee754_yn): Likewise.
2012-07-24 Joseph Myers <joseph@codesourcery.com>
* conform/data/time.h-data (NULL): Use macro-constant. Require

2
NEWS
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@ -9,7 +9,7 @@ Version 2.17
* The following bugs are resolved with this release:
6778, 14042, 14151, 14154, 14157, 14173, 14283, 14328, 14331, 14337,
6778, 6808, 14042, 14151, 14154, 14157, 14173, 14283, 14328, 14331, 14337,
14347, 14349
* Support for STT_GNU_IFUNC symbols added for s390 and s390x.

4
math/libm-test.inc
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@ -9019,6 +9019,10 @@ yn_test (void)
and FLT_MIN. See Bug 14173. */
TEST_ff_f (yn, 10, min_value, minus_infty, OVERFLOW_EXCEPTION);
errno = 0;
TEST_ff_f (yn, 10, min_value, minus_infty, OVERFLOW_EXCEPTION);
check_int ("errno for yn(10,-min) == ERANGE", errno, ERANGE, 0, 0, 0);
END (yn);
}

4
sysdeps/ieee754/dbl-64/e_jn.c
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@ -36,6 +36,7 @@
*
*/
#include <errno.h>
#include <math.h>
#include <math_private.h>
@ -276,6 +277,9 @@ __ieee754_yn(int n, double x)
GET_HIGH_WORD(high,b);
a = temp;
}
/* If B is +-Inf, set up errno accordingly. */
if (! __finite (b))
__set_errno (ERANGE);
}
if(sign>0) return b; else return -b;
}

4
sysdeps/ieee754/flt-32/e_jnf.c
View File

@ -13,6 +13,7 @@
* ====================================================
*/
#include <errno.h>
#include <math.h>
#include <math_private.h>
@ -199,6 +200,9 @@ __ieee754_ynf(int n, float x)
GET_FLOAT_WORD(ib,b);
a = temp;
}
/* If B is +-Inf, set up errno accordingly. */
if (! __finitef (b))
__set_errno (ERANGE);
if(sign>0) return b; else return -b;
}
strong_alias (__ieee754_ynf, __ynf_finite)

4
sysdeps/ieee754/ldbl-128/e_jnl.c
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@ -56,6 +56,7 @@
*
*/
#include <errno.h>
#include <math.h>
#include <math_private.h>
@ -385,6 +386,9 @@ __ieee754_ynl (int n, long double x)
a = temp;
}
}
/* If B is +-Inf, set up errno accordingly. */
if (! __finitel (b))
__set_errno (ERANGE);
if (sign > 0)
return b;
else

4
sysdeps/ieee754/ldbl-128ibm/e_jnl.c
View File

@ -56,6 +56,7 @@
*
*/
#include <errno.h>
#include <math.h>
#include <math_private.h>
@ -387,6 +388,9 @@ __ieee754_ynl (int n, long double x)
a = temp;
}
}
/* If B is +-Inf, set up errno accordingly. */
if (! __finitel (b))
__set_errno (ERANGE);
if (sign > 0)
return b;
else

4
sysdeps/ieee754/ldbl-96/e_jnl.c
View File

@ -56,6 +56,7 @@
*
*/
#include <errno.h>
#include <math.h>
#include <math_private.h>
@ -369,6 +370,9 @@ __ieee754_ynl (int n, long double x)
a = temp;
}
}
/* If B is +-Inf, set up errno accordingly. */
if (! __finitel (b))
__set_errno (ERANGE);
if (sign > 0)
return b;
else