/* @(#)w_asin.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 asin(x) */ #include "fdlibm.h" #ifdef __STDC__ double asin(double x) /* wrapper asin */ #else double asin(x) /* wrapper asin */ double x; #endif { #ifdef _IEEE_LIBM return __ieee754_asin(x); #else double z; z = __ieee754_asin(x); if(_LIB_VERSION == _IEEE_ || isnan(x)) return z; if(fabs(x)>1.0) { return __kernel_standard(x,x,2); /* asin(|x|>1) */ } else return z; #endif }