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/*
* Written by J.T. Conklin <jtc@NetBSD.org>.
* Public domain.
*/
#include <sys/cdefs.h>
#if defined(LIBM_SCCS) && !defined(lint)
__RCSID("$NetBSD: s_isinff.c,v 1.6 2003/07/26 19:25:06 salo Exp $");
#endif
/*
* isinff(x) returns 1 is x is inf, else 0;
* no branching!
*/
#include "math.h"
#include "math_private.h"
int
isinff(float x)
{
int32_t ix;
GET_FLOAT_WORD(ix,x);
ix &= 0x7fffffff;
ix ^= 0x7f800000;
return (ix == 0);
}
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