41 lines
1002 B
C
41 lines
1002 B
C
/* w_hypotl.c -- long double version of w_hypot.c.
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* Conversion to long double by Ulrich Drepper,
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* Cygnus Support, drepper@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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/*
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* wrapper hypotl(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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#include <math-svid-compat.h>
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#include <libm-alias-ldouble.h>
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#if LIBM_SVID_COMPAT
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long double
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__hypotl(long double x, long double y)
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{
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long double z;
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z = __ieee754_hypotl(x,y);
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if(__builtin_expect(!isfinite(z), 0)
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&& isfinite(x) && isfinite(y) && _LIB_VERSION != _IEEE_)
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return __kernel_standard_l(x, y, 204); /* hypot overflow */
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return z;
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}
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libm_alias_ldouble (__hypot, hypot)
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#endif
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