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/* s_finitef.c -- float version of s_finite.c.
* Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
*/
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
/*
* finitef(x) returns 1 is x is finite, else 0;
* no branching!
*/
#include "math.h"
#include "math_private.h"
int __finitef(float x)
{
u_int32_t ix;
GET_FLOAT_WORD(ix, x);
/* Finite numbers have at least one zero bit in exponent. */
/* All other numbers will result in 0xffffffff after OR: */
return (ix | 0x807fffff) != 0xffffffff;
}
libm_hidden_def(__finitef)
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