1 /* IEEE754 floating point arithmetic
2 * double precision: common utilities
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 "ieee754dp.h"
29 union ieee754dp ieee754dp_scalb(union ieee754dp x, int n)
38 case IEEE754_CLASS_SNAN:
39 return ieee754dp_nanxcpt(x, "scalb", x, n);
40 case IEEE754_CLASS_QNAN:
41 case IEEE754_CLASS_INF:
42 case IEEE754_CLASS_ZERO:
44 case IEEE754_CLASS_DNORM:
47 case IEEE754_CLASS_NORM:
50 DPNORMRET2(xs, xe + n, xm << 3, "scalb", x, n);
54 union ieee754dp ieee754dp_ldexp(union ieee754dp x, int n)
56 return ieee754dp_scalb(x, n);