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 #if defined(LIBM_SCCS) && !defined(lint) 17 static char rcsid[] = "$NetBSD: w_coshf.c,v 1.3 1995/05/10 20:48:49 jtc Exp $"; 18 #endif 19 20 /* 21 * wrapper coshf(x) 22 */ 23 24 #include "math.h" 25 #include "math_private.h" 26 27 #ifdef __STDC__ 28 float coshf(float x) /* wrapper coshf */ 29 #else 30 float coshf(x) /* wrapper coshf */ 31 float x; 32 #endif 33 { 34 #ifdef _IEEE_LIBM 35 return __ieee754_coshf(x); 36 #else 37 float z; 38 z = __ieee754_coshf(x); 39 if(_LIB_VERSION == _IEEE_ || isnanf(x)) return z; 40 if(fabsf(x)>(float)8.9415985107e+01) { 41 /* cosh overflow */ 42 return (float)__kernel_standard((double)x,(double)x,105); 43 } else 44 return z; 45 #endif 46 } 47