1 /* s_frexpf.c -- float version of s_frexp.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[] = "$FreeBSD$";
21 #include "math_private.h"
28 two25 = 3.3554432000e+07; /* 0x4c000000 */
31 float frexpf(float x, int *eptr)
41 if(ix>=0x7f800000||(ix==0)) return x; /* 0,inf,nan */
42 if (ix<0x00800000) { /* subnormal */
48 *eptr += (ix>>23)-126;
49 hx = (hx&0x807fffff)|0x3f000000;