1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
/*
* IBM Accurate Mathematical Library
* Written by International Business Machines Corp.
* Copyright (C) 2001-2017 Free Software Foundation, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
/******************************************************************/
/* */
/* MODULE_NAME:uexp.h */
/* */
/* common data and variables prototype and definition */
/******************************************************************/
#ifndef UEXP_H
#define UEXP_H
#include "mydefs.h"
const static double zero = 0.0, hhuge = 1.0e300, tiny = 1.0e-300,
err_0 = 1.000014, err_1 = 0.000016;
const static int4 bigint = 0x40862002,
badint = 0x40876000,smallint = 0x3C8fffff;
const static int4 hugeint = 0x7FFFFFFF, infint = 0x7ff00000;
#ifdef BIG_ENDI
const static mynumber inf = {{0x7FF00000, 0}}; /* inf */
const static mynumber t256 = {{0x4ff00000, 0}}; /* 2^256 */
const static mynumber ln_two1 = {{0x3FE62E42, 0xFEFA3800}};/*0.69314718055989033 */
const static mynumber ln_two2 = {{0x3D2EF357, 0x93C76730}};/*5.4979230187083712e-14*/
const static mynumber log2e = {{0x3FF71547, 0x652B82FE}};/* 1.4426950408889634 */
const static mynumber p2 = {{0x3FE00000, 0x000004DC}};/* 0.50000000000013811 */
const static mynumber p3 = {{0x3FC55555, 0x55555A0F}};/* 0.16666666666670024 */
const static mynumber three33 = {{0x42180000, 0}}; /* 25769803776 */
const static mynumber three51 = {{0x43380000, 0}}; /* 6755399441055744 */
#else
#ifdef LITTLE_ENDI
const static mynumber inf = {{0, 0x7FF00000}}; /* inf */
const static mynumber t256 = {{0, 0x4ff00000}}; /* 2^256 */
const static mynumber ln_two1 = {{0xFEFA3800, 0x3FE62E42}};/*0.69314718055989033 */
const static mynumber ln_two2 = {{0x93C76730, 0x3D2EF357}};/*5.4979230187083712e-14*/
const static mynumber log2e = {{0x652B82FE, 0x3FF71547}};/* 1.4426950408889634 */
const static mynumber p2 = {{0x000004DC, 0x3FE00000}};/* 0.50000000000013811 */
const static mynumber p3 = {{0x55555A0F, 0x3FC55555}};/* 0.16666666666670024 */
const static mynumber three33 = {{0, 0x42180000}}; /* 25769803776 */
const static mynumber three51 = {{0, 0x43380000}}; /* 6755399441055744 */
#endif
#endif
#endif
|
