1/*
2 * IBM Accurate Mathematical Library
3 * Written by International Business Machines Corp.
4 * Copyright (C) 2001-2016 Free Software Foundation, Inc.
5 *
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.
10 *
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.
15 *
16 * You should have received a copy of the GNU Lesser General Public License
17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
18 */
19
20/******************************************************************/
21/* */
22/* MODULE_NAME:uexp.h */
23/* */
24/* common data and variables prototype and definition */
25/******************************************************************/
26
27#ifndef UEXP_H
28#define UEXP_H
29
30#include "mydefs.h"
31
32const static double zero = 0.0, hhuge = 1.0e300, tiny = 1.0e-300,
33err_0 = 1.000014, err_1 = 0.000016;
34const static int4 bigint = 0x40862002,
35 badint = 0x40876000,smallint = 0x3C8fffff;
36const static int4 hugeint = 0x7FFFFFFF, infint = 0x7ff00000;
37
38#ifdef BIG_ENDI
39const static mynumber inf = {{0x7FF00000, 0}}; /* inf */
40const static mynumber t256 = {{0x4ff00000, 0}}; /* 2^256 */
41
42const static mynumber ln_two1 = {{0x3FE62E42, 0xFEFA3800}};/*0.69314718055989033 */
43const static mynumber ln_two2 = {{0x3D2EF357, 0x93C76730}};/*5.4979230187083712e-14*/
44const static mynumber log2e = {{0x3FF71547, 0x652B82FE}};/* 1.4426950408889634 */
45
46const static mynumber p2 = {{0x3FE00000, 0x000004DC}};/* 0.50000000000013811 */
47const static mynumber p3 = {{0x3FC55555, 0x55555A0F}};/* 0.16666666666670024 */
48
49const static mynumber three33 = {{0x42180000, 0}}; /* 25769803776 */
50const static mynumber three51 = {{0x43380000, 0}}; /* 6755399441055744 */
51
52#else
53#ifdef LITTLE_ENDI
54 const static mynumber inf = {{0, 0x7FF00000}}; /* inf */
55 const static mynumber t256 = {{0, 0x4ff00000}}; /* 2^256 */
56
57 const static mynumber ln_two1 = {{0xFEFA3800, 0x3FE62E42}};/*0.69314718055989033 */
58 const static mynumber ln_two2 = {{0x93C76730, 0x3D2EF357}};/*5.4979230187083712e-14*/
59 const static mynumber log2e = {{0x652B82FE, 0x3FF71547}};/* 1.4426950408889634 */
60
61 const static mynumber p2 = {{0x000004DC, 0x3FE00000}};/* 0.50000000000013811 */
62 const static mynumber p3 = {{0x55555A0F, 0x3FC55555}};/* 0.16666666666670024 */
63
64 const static mynumber three33 = {{0, 0x42180000}}; /* 25769803776 */
65 const static mynumber three51 = {{0, 0x43380000}}; /* 6755399441055744 */
66
67#endif
68#endif
69#endif
70