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0ac5ae2335
libm is now somewhat integrated with gcc's -ffinite-math-only option and lots of the wrapper functions have been optimized.
36 lines
855 B
C
36 lines
855 B
C
/* @(#)w_hypot.c 5.1 93/09/24 */
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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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/*
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* wrapper hypot(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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double
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__hypot (double x, double y)
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{
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double z = __ieee754_hypot(x,y);
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if(__builtin_expect(!__finite(z), 0)
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&& __finite(x) && __finite(y) && _LIB_VERSION != _IEEE_)
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return __kernel_standard(x, y, 4); /* hypot overflow */
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return z;
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}
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weak_alias (__hypot, hypot)
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#ifdef NO_LONG_DOUBLE
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strong_alias (__hypot, __hypotl)
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weak_alias (__hypot, hypotl)
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#endif
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