Update.
[glibc.git] / math / w_hypotl.c
blob2ec215fd134a5bdcc701196b1d2755ff930d85f9
1 /* w_hypotl.c -- long double version of w_hypot.c.
2 * Conversion to long double by Ulrich Drepper,
3 * Cygnus Support, drepper@cygnus.com.
4 */
6 /*
7 * ====================================================
8 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
10 * Developed at SunPro, a Sun Microsystems, Inc. business.
11 * Permission to use, copy, modify, and distribute this
12 * software is freely granted, provided that this notice
13 * is preserved.
14 * ====================================================
17 #if defined(LIBM_SCCS) && !defined(lint)
18 static char rcsid[] = "$NetBSD: $";
19 #endif
22 * wrapper hypotl(x,y)
25 #include "math.h"
26 #include "math_private.h"
29 #ifdef __STDC__
30 long double __hypotl(long double x, long double y)/* wrapper hypotl */
31 #else
32 long double __hypotl(x,y) /* wrapper hypotl */
33 long double x,y;
34 #endif
36 #ifdef _IEEE_LIBM
37 return __ieee754_hypotl(x,y);
38 #else
39 long double z;
40 z = __ieee754_hypotl(x,y);
41 if(_LIB_VERSION == _IEEE_) return z;
42 if((!__finitel(z))&&__finitel(x)&&__finitel(y))
43 return __kernel_standard(x,y,204); /* hypot overflow */
44 else
45 return z;
46 #endif
48 weak_alias (__hypotl, hypotl)