1 /* s_rintf.c -- float version of s_rint.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 * ====================================================
15 * $FreeBSD: head/lib/msun/src/s_rintf.c 176451 2008-02-22 02:30:36Z das $
22 #include "math_private.h"
26 8.3886080000e+06, /* 0x4b000000 */
27 -8.3886080000e+06, /* 0xcb000000 */
37 j0 = ((i0>>23)&0xff)-0x7f;
40 if((i0&0x7fffffff)==0) return x;
41 STRICT_ASSIGN(float,w,TWO23[sx]+x);
44 SET_FLOAT_WORD(t,(i0&0x7fffffff)|(sx<<31));
47 STRICT_ASSIGN(float,w,TWO23[sx]+x);
50 if(j0==0x80) return x+x; /* inf or NaN */
51 else return x; /* x is integral */