2 * IBM Accurate Mathematical Library
3 * Written by International Business Machines Corp.
4 * Copyright (C) 2001 Free Software Foundation, Inc.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU Lesser General Public License as published by
8 * the Free Software Foundation; either version 2.1 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21 /******************************************************************/
23 /* MODULE_NAME:uexp.h */
25 /* common data and variables prototype and definition */
26 /******************************************************************/
33 const static double one
= 1.0, zero
= 0.0, hhuge
= 1.0e300
, tiny
= 1.0e-300,
34 err_0
= 1.000014, err_1
= 0.000016;
35 const static int4 bigint
= 0x40862002,
36 badint
= 0x40876000,smallint
= 0x3C8fffff;
37 const static int4 hugeint
= 0x7FFFFFFF, infint
= 0x7ff00000;
40 const static mynumber inf
= {{0x7FF00000, 0}}; /* inf */
41 const static mynumber t256
= {{0x4ff00000, 0}}; /* 2^256 */
43 const static mynumber ln_two1
= {{0x3FE62E42, 0xFEFA3800}};/*0.69314718055989033 */
44 const static mynumber ln_two2
= {{0x3D2EF357, 0x93C76730}};/*5.4979230187083712e-14*/
45 const static mynumber log2e
= {{0x3FF71547, 0x652B82FE}};/* 1.4426950408889634 */
47 const static mynumber p2
= {{0x3FE00000, 0x000004DC}};/* 0.50000000000013811 */
48 const static mynumber p3
= {{0x3FC55555, 0x55555A0F}};/* 0.16666666666670024 */
50 const static mynumber three33
= {{0x42180000, 0}}; /* 25769803776 */
51 const static mynumber three51
= {{0x43380000, 0}}; /* 6755399441055744 */
55 const static mynumber inf
= {{0, 0x7FF00000}}; /* inf */
56 const static mynumber t256
= {{0, 0x4ff00000}}; /* 2^256 */
58 const static mynumber ln_two1
= {{0xFEFA3800, 0x3FE62E42}};/*0.69314718055989033 */
59 const static mynumber ln_two2
= {{0x93C76730, 0x3D2EF357}};/*5.4979230187083712e-14*/
60 const static mynumber log2e
= {{0x652B82FE, 0x3FF71547}};/* 1.4426950408889634 */
62 const static mynumber p2
= {{0x000004DC, 0x3FE00000}};/* 0.50000000000013811 */
63 const static mynumber p3
= {{0x55555A0F, 0x3FC55555}};/* 0.16666666666670024 */
65 const static mynumber three33
= {{0, 0x42180000}}; /* 25769803776 */
66 const static mynumber three51
= {{0, 0x43380000}}; /* 6755399441055744 */