/* * ==================================================== * 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. * ==================================================== */ /* * wrapper cosh(x) */ #include "math.h" #include "math_private.h" double cosh(double x) /* wrapper cosh */ { #ifdef _IEEE_LIBM return __ieee754_cosh(x); #else double z; z = __ieee754_cosh(x); if(_LIB_VERSION == _IEEE_ || isnan(x)) return z; if(fabs(x)>7.10475860073943863426e+02) { return __kernel_standard(x,x,5); /* cosh overflow */ } else return z; #endif } libm_hidden_def(cosh)