1/*
2 * IBM Accurate Mathematical Library
3 * Written by International Business Machines Corp.
4 * Copyright (C) 2001 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, write to the Free Software
18 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 */
20
21/******************************************************************/
22/*                                                                */
23/* MODULE_NAME:uexp.h                                             */
24/*                                                                */
25/* common data and variables prototype and definition             */
26/******************************************************************/
27
28#ifndef UEXP_H
29#define UEXP_H
30
31#include "mydefs.h"
32
33const static double one = 1.0, zero = 0.0, hhuge = 1.0e300, tiny = 1.0e-300,
34err_0 = 1.000014, err_1 = 0.000016;
35const static int4 bigint = 0x40862002,
36             badint = 0x40876000,smallint = 0x3C8fffff;
37const static int4 hugeint = 0x7FFFFFFF, infint = 0x7ff00000;
38
39#ifdef BIG_ENDI
40const static mynumber  inf  = {{0x7FF00000, 0}}; /* inf   */
41const static mynumber t256  = {{0x4ff00000, 0}}; /* 2^256 */
42
43const static mynumber ln_two1  = {{0x3FE62E42, 0xFEFA3800}};/*0.69314718055989033 */
44const static mynumber ln_two2  = {{0x3D2EF357, 0x93C76730}};/*5.4979230187083712e-14*/
45const static mynumber log2e    = {{0x3FF71547, 0x652B82FE}};/* 1.4426950408889634 */
46
47const static mynumber p2       = {{0x3FE00000, 0x000004DC}};/* 0.50000000000013811 */
48const static mynumber p3       = {{0x3FC55555, 0x55555A0F}};/* 0.16666666666670024 */
49
50const static mynumber three33  = {{0x42180000, 0}};         /* 25769803776 */
51const static mynumber three51  = {{0x43380000, 0}};         /*  6755399441055744 */
52
53#else
54#ifdef LITTLE_ENDI
55 const static mynumber  inf  = {{0, 0x7FF00000}}; /* inf   */
56 const static mynumber t256  = {{0, 0x4ff00000}}; /* 2^256 */
57
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 */
61
62 const static mynumber p2      = {{0x000004DC, 0x3FE00000}};/* 0.50000000000013811 */
63 const static mynumber p3      = {{0x55555A0F, 0x3FC55555}};/* 0.16666666666670024 */
64
65 const static mynumber three33 = {{0, 0x42180000}};   /*  25769803776      */
66 const static mynumber three51 = {{0, 0x43380000}};   /*  6755399441055744 */
67
68#endif
69#endif
70#endif
71