/* w_coshf.c -- float version of w_cosh.c. * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. */ /* * ==================================================== * 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. * ==================================================== */ #include <sys/cdefs.h> #if defined(LIBM_SCCS) && !defined(lint) __RCSID("$NetBSD: w_coshf.c,v 1.7 2007/08/20 16:01:40 drochner Exp $"); #endif /* * wrapper coshf(x) */ #include "namespace.h" #include "math.h" #include "math_private.h" #ifdef __weak_alias __weak_alias(coshf, _coshf) #endif float coshf(float x) /* wrapper coshf */ { #ifdef _IEEE_LIBM return __ieee754_coshf(x); #else float z; z = __ieee754_coshf(x); if(_LIB_VERSION == _IEEE_ || isnanf(x)) return z; if(fabsf(x)>(float)8.9415985107e+01) { /* cosh overflow */ return (float)__kernel_standard((double)x,(double)x,105); } else return z; #endif } |