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Implement __isinf_nsl for IBM long double

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Andreas Schwab 2011-10-10 20:43:38 +02:00
parent d9db0846f2
commit 12cc2fcdb4
2 changed files with 20 additions and 0 deletions
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ChangeLog
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2011-10-10 Andreas Schwab <schwab@linux-m68k.org>
* sysdeps/ieee754/ldbl-128ibm/s_isinf_nsl.c: New file.
2011-10-09 Ulrich Drepper <drepper@gmail.com>
* po/ja.po: Update from translation team.

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sysdeps/ieee754/ldbl-128ibm/s_isinf_nsl.c Normal file
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/*
* __isinf_nsl(x) returns != 0 if x is ±inf, else 0;
* no branching!
*/
#include "math.h"
#include "math_private.h"
int
__isinf_nsl (long double x)
{
int64_t hx,lx;
GET_LDOUBLE_WORDS64(hx,lx,x);
return !((lx & 0x7fffffffffffffffLL)
| ((hx & 0x7fffffffffffffffLL) ^ 0x7ff0000000000000LL));
}