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/* wf_hypot.c -- float version of w_hypot.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.
* ====================================================
*/
/*
* wrapper hypotf(x,y)
*/
#include "fdlibm.h"
#include <errno.h>
#if !defined(_IEEE_LIBM) || !defined(HAVE_ALIAS_ATTRIBUTE)
#ifdef __STDC__
float hypotf(float x, float y) /* wrapper hypotf */
#else
float hypotf(x,y) /* wrapper hypotf */
float x,y;
#endif
{
float z;
z = __ieee754_hypotf(x,y);
if(_LIB_VERSION == _IEEE_) return z;
if((!finitef(z))&&finitef(x)&&finitef(y)) {
/* hypotf(finite,finite) overflow */
errno = ERANGE;
return HUGE_VALF;
} else
return z;
}
#endif
#ifdef _DOUBLE_IS_32BITS
#ifdef __STDC__
double hypot(double x, double y)
#else
double hypot(x,y)
double x,y;
#endif
{
return (double) hypotf((float) x, (float) y);
}
#endif /* defined(_DOUBLE_IS_32BITS) */
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