source: trunk/sys/libm/w_hypot.c @ 1

Last change on this file since 1 was 1, checked in by alain, 5 years ago

First import

File size: 869 bytes
Line 
1
2/* @(#)w_hypot.c 5.1 93/09/24 */
3/*
4 * ====================================================
5 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
6 *
7 * Developed at SunPro, a Sun Microsystems, Inc. business.
8 * Permission to use, copy, modify, and distribute this
9 * software is freely granted, provided that this notice
10 * is preserved.
11 * ====================================================
12 */
13
14/*
15 * wrapper hypot(x,y)
16 */
17
18#include <libm/fdlibm.h>
19
20
21#ifdef __STDC__
22        double hypot(double x, double y)/* wrapper hypot */
23#else
24        double hypot(x,y)               /* wrapper hypot */
25        double x,y;
26#endif
27{
28#ifdef _IEEE_LIBM
29        return __ieee754_hypot(x,y);
30#else
31        double z;
32        z = __ieee754_hypot(x,y);
33        if(_LIB_VERSION == _IEEE_) return z;
34        if((!finite(z))&&finite(x)&&finite(y))
35            return __kernel_standard(x,y,4); /* hypot overflow */
36        else
37            return z;
38#endif
39}
Note: See TracBrowser for help on using the repository browser.