1 /* s_frexpf.c -- float version of s_frexp.c.
2 * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
4 * $FreeBSD: src/lib/msun/src/s_frexpf.c,v 1.6 1999/08/28 00:06:49 peter Exp $
5 * $DragonFly: src/lib/msun/src/Attic/s_frexpf.c,v 1.2 2003/06/17 04:26:53 dillon Exp $
9 * ====================================================
10 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
12 * Developed at SunPro, a Sun Microsystems, Inc. business.
13 * Permission to use, copy, modify, and distribute this
14 * software is freely granted, provided that this notice
16 * ====================================================
20 #include "math_private.h"
27 two25 = 3.3554432000e+07; /* 0x4c000000 */
30 float frexpf(float x, int *eptr)
40 if(ix>=0x7f800000||(ix==0)) return x; /* 0,inf,nan */
41 if (ix<0x00800000) { /* subnormal */
47 *eptr += (ix>>23)-126;
48 hx = (hx&0x807fffff)|0x3f000000;