1 /* w_coshf.c -- float version of w_cosh.c. 2 * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. 3 */ 4 5 /* 6 * ==================================================== 7 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. 8 * 9 * Developed at SunPro, a Sun Microsystems, Inc. business. 10 * Permission to use, copy, modify, and distribute this 11 * software is freely granted, provided that this notice 12 * is preserved. 13 * ==================================================== 14 */ 15 16 #include <sys/cdefs.h> 17 #if defined(LIBM_SCCS) && !defined(lint) 18 __RCSID("$NetBSD: w_coshf.c,v 1.4 1997/10/09 11:34:29 lukem Exp $"); 19 #endif 20 21 /* 22 * wrapper coshf(x) 23 */ 24 25 #include "math.h" 26 #include "math_private.h" 27 28 #ifdef __STDC__ 29 float coshf(float x) /* wrapper coshf */ 30 #else 31 float coshf(x) /* wrapper coshf */ 32 float x; 33 #endif 34 { 35 #ifdef _IEEE_LIBM 36 return __ieee754_coshf(x); 37 #else 38 float z; 39 z = __ieee754_coshf(x); 40 if(_LIB_VERSION == _IEEE_ || isnanf(x)) return z; 41 if(fabsf(x)>(float)8.9415985107e+01) { 42 /* cosh overflow */ 43 return (float)__kernel_standard((double)x,(double)x,105); 44 } else 45 return z; 46 #endif 47 } 48