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* [Bug math/13911] New: acosl (LDBL_MAX) raises spurious overflow exception
@ 2012-03-27 23:08 jsm28 at gcc dot gnu.org
2012-03-28 9:37 ` [Bug math/13911] " jsm28 at gcc dot gnu.org
2014-06-26 13:41 ` fweimer at redhat dot com
0 siblings, 2 replies; 3+ messages in thread
From: jsm28 at gcc dot gnu.org @ 2012-03-27 23:08 UTC (permalink / raw)
To: glibc-bugs
http://sourceware.org/bugzilla/show_bug.cgi?id=13911
Bug #: 13911
Summary: acosl (LDBL_MAX) raises spurious overflow exception
Product: glibc
Version: 2.15
Status: NEW
Severity: normal
Priority: P2
Component: math
AssignedTo: unassigned@sourceware.org
ReportedBy: jsm28@gcc.gnu.org
Classification: Unclassified
acosl (LDBL_MAX) raises a spurious OVERFLOW exception (in addition to a correct
INVALID exception); tested x86. Testcase:
#include <errno.h>
#include <fenv.h>
#include <math.h>
#include <stdio.h>
#include <float.h>
volatile long double d = LDBL_MAX;
int
main (void)
{
feclearexcept (FE_ALL_EXCEPT);
errno = 0;
volatile long double r = acosl (d);
if (fetestexcept (FE_DIVBYZERO))
printf ("DIVBYZERO ");
if (fetestexcept (FE_INEXACT))
printf ("INEXACT ");
if (fetestexcept (FE_INVALID))
printf ("INVALID ");
if (fetestexcept (FE_OVERFLOW))
printf ("OVERFLOW ");
if (fetestexcept (FE_UNDERFLOW))
printf ("UNDERFLOW ");
printf ("%.18Lg %m\n", r);
return 0;
}
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2012-03-27 23:08 [Bug math/13911] New: acosl (LDBL_MAX) raises spurious overflow exception jsm28 at gcc dot gnu.org
2012-03-28 9:37 ` [Bug math/13911] " jsm28 at gcc dot gnu.org
2014-06-26 13:41 ` fweimer at redhat dot com
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