1 /* IEEE754 floating point arithmetic
5 * MIPS floating point support
6 * Copyright (C) 1994-2000 Algorithmics Ltd.
8 * ########################################################################
10 * This program is free software; you can distribute it and/or modify it
11 * under the terms of the GNU General Public License (Version 2) as
12 * published by the Free Software Foundation.
14 * This program is distributed in the hope it will be useful, but WITHOUT
15 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
16 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
19 * You should have received a copy of the GNU General Public License along
20 * with this program; if not, write to the Free Software Foundation, Inc.,
21 * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
23 * ########################################################################
27 #include "ieee754sp.h"
29 /* close to ieeep754sp_logb
31 ieee754sp
ieee754sp_frexp(ieee754sp x
, int *eptr
)
38 case IEEE754_CLASS_SNAN
:
39 case IEEE754_CLASS_QNAN
:
40 case IEEE754_CLASS_INF
:
41 case IEEE754_CLASS_ZERO
:
44 case IEEE754_CLASS_DNORM
:
47 case IEEE754_CLASS_NORM
:
51 return buildsp(xs
, -1 + SP_EBIAS
, xm
& ~SP_HIDDEN_BIT
);
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