glibc/sysdeps/generic/w_hypotl.c
Jakub Jelinek 0ecb606cb6 2.5-18.1
2007-07-12 18:26:36 +00:00

49 lines
1.1 KiB
C

/* w_hypotl.c -- long double version of w_hypot.c.
* Conversion to long double by Ulrich Drepper,
* Cygnus Support, drepper@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.
* ====================================================
*/
#if defined(LIBM_SCCS) && !defined(lint)
static char rcsid[] = "$NetBSD: $";
#endif
/*
* wrapper hypotl(x,y)
*/
#include "math.h"
#include "math_private.h"
#ifdef __STDC__
long double __hypotl(long double x, long double y)/* wrapper hypotl */
#else
long double __hypotl(x,y) /* wrapper hypotl */
long double x,y;
#endif
{
#ifdef _IEEE_LIBM
return __ieee754_hypotl(x,y);
#else
long double z;
z = __ieee754_hypotl(x,y);
if(_LIB_VERSION == _IEEE_) return z;
if((!__finitel(z))&&__finitel(x)&&__finitel(y))
return __kernel_standard(x,y,204); /* hypot overflow */
else
return z;
#endif
}
weak_alias (__hypotl, hypotl)