/* @(#)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 }