/* @(#)w_sqrt.c 1.3 95/01/18 */ /* * ==================================================== * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. * * Developed at SunSoft, a Sun Microsystems, Inc. business. * Permission to use, copy, modify, and distribute this * software is freely granted, provided that this notice * is preserved. * ==================================================== */ /* * wrapper sqrt(x) */ #include "fdlibm.h" #ifdef __STDC__ double sqrt(double x) /* wrapper sqrt */ #else double sqrt(x) /* wrapper sqrt */ double x; #endif { #ifdef _IEEE_LIBM return __ieee754_sqrt(x); #else double z; z = __ieee754_sqrt(x); if(_LIB_VERSION == _IEEE_ || isnan(x)) return z; if(x<0.0) { return __kernel_standard(x,x,26); /* sqrt(negative) */ } else return z; #endif }