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/* sf_finite.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 "fdlibm.h"
#ifdef __STDC__
int finitef(float x)
#else
int finitef(x)
float x;
#endif
{
__int32_t ix;
GET_FLOAT_WORD(ix,x);
return (int)((__uint32_t)((ix&0x7fffffff)-0x7f800000)>>31);
}
#ifdef _DOUBLE_IS_32BITS
#ifdef __STDC__
int finite(double x)
#else
int finite(x)
double x;
#endif
{
return finitef((float) x);
}
#endif /* defined(_DOUBLE_IS_32BITS) */
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