1 /* IEEE754 floating point arithmetic
5 * MIPS floating point support
6 * Copyright (C) 1994-2000 Algorithmics Ltd.
8 * This program is free software; you can distribute it and/or modify it
9 * under the terms of the GNU General Public License (Version 2) as
10 * published by the Free Software Foundation.
12 * This program is distributed in the hope it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
22 #include "ieee754sp.h"
24 int ieee754sp_cmp(union ieee754sp x, union ieee754sp y, int cmp, int sig)
36 ieee754_clearcx(); /* Even clear inexact flag here */
38 if (ieee754_class_nan(xc) || ieee754_class_nan(yc)) {
40 xc == IEEE754_CLASS_SNAN || yc == IEEE754_CLASS_SNAN)
41 ieee754_setcx(IEEE754_INVALID_OPERATION);
42 return (cmp & IEEE754_CUN) != 0;
48 vx = -vx ^ SP_SIGN_BIT;
50 vy = -vy ^ SP_SIGN_BIT;
53 return (cmp & IEEE754_CLT) != 0;
55 return (cmp & IEEE754_CEQ) != 0;
57 return (cmp & IEEE754_CGT) != 0;