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Diffstat (limited to 'math/w_hypot.c')
| -rw-r--r-- | math/w_hypot.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/math/w_hypot.c b/math/w_hypot.c new file mode 100644 index 0000000000..ab929f78ad --- /dev/null +++ b/math/w_hypot.c @@ -0,0 +1,48 @@ +/* @(#)w_hypot.c 5.1 93/09/24 */ +/* + * ==================================================== + * 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: w_hypot.c,v 1.6 1995/05/10 20:49:07 jtc Exp $"; +#endif + +/* + * wrapper hypot(x,y) + */ + +#include <math.h> +#include "math_private.h" + + +#ifdef __STDC__ + double __hypot(double x, double y)/* wrapper hypot */ +#else + double __hypot(x,y) /* wrapper hypot */ + double x,y; +#endif +{ +#ifdef _IEEE_LIBM + return __ieee754_hypot(x,y); +#else + double z; + z = __ieee754_hypot(x,y); + if(_LIB_VERSION == _IEEE_) return z; + if((!__finite(z))&&__finite(x)&&__finite(y)) + return __kernel_standard(x,y,4); /* hypot overflow */ + else + return z; +#endif +} +weak_alias (__hypot, hypot) +#ifdef NO_LONG_DOUBLE +strong_alias (__hypot, __hypotl) +weak_alias (__hypot, hypotl) +#endif |