1 /* ieee754 floating point arithmetic
2 * single and double precision
6 * doesn't generate IEEE754_INEXACT
10 * MIPS floating point support
11 * Copyright (C) 1994-2000 Algorithmics Ltd.
13 * This program is free software; you can distribute it and/or modify it
14 * under the terms of the GNU General Public License (Version 2) as
15 * published by the Free Software Foundation.
17 * This program is distributed in the hope it will be useful, but WITHOUT
18 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
19 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
22 * You should have received a copy of the GNU General Public License along
23 * with this program; if not, write to the Free Software Foundation, Inc.,
24 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
27 #include <linux/compiler.h>
30 #include "ieee754sp.h"
31 #include "ieee754dp.h"
37 #define DPCNST(s, b, m) \
40 .bexp = (b) + DP_EBIAS, \
44 const union ieee754dp __ieee754dp_spcvals[] = {
45 DPCNST(0, DP_EMIN - 1, 0x0000000000000ULL), /* + zero */
46 DPCNST(1, DP_EMIN - 1, 0x0000000000000ULL), /* - zero */
47 DPCNST(0, 0, 0x0000000000000ULL), /* + 1.0 */
48 DPCNST(1, 0, 0x0000000000000ULL), /* - 1.0 */
49 DPCNST(0, 3, 0x4000000000000ULL), /* + 10.0 */
50 DPCNST(1, 3, 0x4000000000000ULL), /* - 10.0 */
51 DPCNST(0, DP_EMAX + 1, 0x0000000000000ULL), /* + infinity */
52 DPCNST(1, DP_EMAX + 1, 0x0000000000000ULL), /* - infinity */
53 DPCNST(0, DP_EMAX + 1, 0x7FFFFFFFFFFFFULL), /* + indef quiet Nan */
54 DPCNST(0, DP_EMAX, 0xFFFFFFFFFFFFFULL), /* + max */
55 DPCNST(1, DP_EMAX, 0xFFFFFFFFFFFFFULL), /* - max */
56 DPCNST(0, DP_EMIN, 0x0000000000000ULL), /* + min normal */
57 DPCNST(1, DP_EMIN, 0x0000000000000ULL), /* - min normal */
58 DPCNST(0, DP_EMIN - 1, 0x0000000000001ULL), /* + min denormal */
59 DPCNST(1, DP_EMIN - 1, 0x0000000000001ULL), /* - min denormal */
60 DPCNST(0, 31, 0x0000000000000ULL), /* + 1.0e31 */
61 DPCNST(0, 63, 0x0000000000000ULL), /* + 1.0e63 */
64 #define SPCNST(s, b, m) \
67 .bexp = (b) + SP_EBIAS, \
71 const union ieee754sp __ieee754sp_spcvals[] = {
72 SPCNST(0, SP_EMIN - 1, 0x000000), /* + zero */
73 SPCNST(1, SP_EMIN - 1, 0x000000), /* - zero */
74 SPCNST(0, 0, 0x000000), /* + 1.0 */
75 SPCNST(1, 0, 0x000000), /* - 1.0 */
76 SPCNST(0, 3, 0x200000), /* + 10.0 */
77 SPCNST(1, 3, 0x200000), /* - 10.0 */
78 SPCNST(0, SP_EMAX + 1, 0x000000), /* + infinity */
79 SPCNST(1, SP_EMAX + 1, 0x000000), /* - infinity */
80 SPCNST(0, SP_EMAX + 1, 0x3FFFFF), /* + indef quiet Nan */
81 SPCNST(0, SP_EMAX, 0x7FFFFF), /* + max normal */
82 SPCNST(1, SP_EMAX, 0x7FFFFF), /* - max normal */
83 SPCNST(0, SP_EMIN, 0x000000), /* + min normal */
84 SPCNST(1, SP_EMIN, 0x000000), /* - min normal */
85 SPCNST(0, SP_EMIN - 1, 0x000001), /* + min denormal */
86 SPCNST(1, SP_EMIN - 1, 0x000001), /* - min denormal */
87 SPCNST(0, 31, 0x000000), /* + 1.0e31 */
88 SPCNST(0, 63, 0x000000), /* + 1.0e63 */