49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
/* w_hypotf.c -- float version of w_hypot.c.
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* Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
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*/
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/*
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* ====================================================
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* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
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*
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* Developed at SunPro, a Sun Microsystems, Inc. business.
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* Permission to use, copy, modify, and distribute this
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* software is freely granted, provided that this notice
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* is preserved.
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* ====================================================
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*/
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#include <sys/cdefs.h>
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#if defined(LIBM_SCCS) && !defined(lint)
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__RCSID("$NetBSD: w_hypotf.c,v 1.4 1997/10/09 11:35:04 lukem Exp $");
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#endif
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/*
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* wrapper hypotf(x,y)
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*/
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#include "math.h"
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#include "math_private.h"
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#ifdef __STDC__
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float hypotf(float x, float y) /* wrapper hypotf */
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#else
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float hypotf(x,y) /* wrapper hypotf */
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float x,y;
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#endif
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{
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#ifdef _IEEE_LIBM
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return __ieee754_hypotf(x,y);
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#else
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float z;
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z = __ieee754_hypotf(x,y);
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if(_LIB_VERSION == _IEEE_) return z;
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if((!finitef(z))&&finitef(x)&&finitef(y))
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/* hypot overflow */
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return (float)__kernel_standard((double)x,(double)y,104);
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else
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return z;
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#endif
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}
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