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  • Committer: Package Import Robot
  • Author(s): Matthias Klose
  • Date: 2012-02-08 01:58:09 UTC
  • mfrom: (1.5.3) (288.1.12 precise)
  • Revision ID: package-import@ubuntu.com-20120208015809-ulscst7uteq3e22z
Tags: 2.15~pre6-0ubuntu10
Merge from Debian (r5151, 2.13-26).

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sysdeps/ieee754/dbl-64/wordsize-64/s_isinf_ns.c
 
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/*
 
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 * Written by Ulrich Drepper <drepper@gmail.com>.
 
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 */
 
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/*
 
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 * __isinf_ns(x) returns != 0 if x is ±inf, else 0;
 
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 * no branching!
 
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 */
 
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#include "math.h"
 
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#include "math_private.h"
 
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#undef __isinf_ns
 
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int
 
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__isinf_ns (double x)
 
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{
 
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        int64_t ix;
 
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        EXTRACT_WORDS64(ix,x);
 
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        return (ix & UINT64_C(0x7fffffffffffffff)) == UINT64_C(0x7ff0000000000000);
 
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}