1 /* w_expf.c -- float version of w_exp.c.
2 * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
6 * ====================================================
7 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
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
13 * ====================================================
17 static char rcsid[] = "$FreeBSD: src/lib/msun/src/w_expf.c,v 1.5 1999/08/28 00:07:00 peter Exp $";
25 #include "math_private.h"
32 o_threshold= 8.8721679688e+01, /* 0x42b17180 */
33 u_threshold= -1.0397208405e+02; /* 0xc2cff1b5 */
36 float expf(float x) /* wrapper expf */
38 float expf(x) /* wrapper expf */
43 return __ieee754_expf(x);
46 z = __ieee754_expf(x);
47 if(_LIB_VERSION == _IEEE_) return z;
51 return (float)__kernel_standard((double)x,(double)x,106);
52 else if(x<u_threshold)
54 return (float)__kernel_standard((double)x,(double)x,107);