1/*
2 * IBM Accurate Mathematical Library
3 * Written by International Business Machines Corp.
4 * Copyright (C) 2001-2017 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:upow.h */
23/* */
24/* common data and variables prototype and definition */
25/******************************************************************/
26
27#ifndef UPOW_H
28#define UPOW_H
29
30#include "mydefs.h"
31
32#ifdef BIG_ENDI
33 const static mynumber
34/**/ nZERO = {{0x80000000, 0}}, /* -0.0 */
35/**/ INF = {{0x7ff00000, 0x00000000}}, /* INF */
36/**/ nINF = {{0xfff00000, 0x00000000}}, /* -INF */
37/**/ ln2a = {{0x3fe62e42, 0xfefa3800}}, /* ln(2) 43 bits */
38/**/ ln2b = {{0x3d2ef357, 0x93c76730}}, /* ln(2)-ln2a */
39/**/ bigu = {{0x4297ffff, 0xfffffd2c}}, /* 1.5*2**42 -724*2**-10 */
40/**/ bigv = {{0x4207ffff, 0xfff8016a}}, /* 1.5*2**33-1+362*2**-19 */
41/**/ t52 = {{0x43300000, 0x00000000}}, /* 2**52 */
42/**/ two52e = {{0x43300000, 0x000003ff}}; /* 2**52' */
43
44#else
45#ifdef LITTLE_ENDI
46 const static mynumber
47/**/ nZERO = {{0, 0x80000000}}, /* -0.0 */
48/**/ INF = {{0x00000000, 0x7ff00000}}, /* INF */
49/**/ nINF = {{0x00000000, 0xfff00000}}, /* -INF */
50/**/ ln2a = {{0xfefa3800, 0x3fe62e42}}, /* ln(2) 43 bits */
51/**/ ln2b = {{0x93c76730, 0x3d2ef357}}, /* ln(2)-ln2a */
52/**/ bigu = {{0xfffffd2c, 0x4297ffff}}, /* 1.5*2**42 -724*2**-10 */
53/**/ bigv = {{0xfff8016a, 0x4207ffff}}, /* 1.5*2**33-1+362*2**-19 */
54/**/ t52 = {{0x00000000, 0x43300000}}, /* 2**52 */
55/**/ two52e = {{0x000003ff, 0x43300000}}; /* 2**52' */
56
57#endif
58#endif
59
60const static double p2=-0.5, p3 = 3.3333333333333333333e-1, p4 = -0.25,
61 q2 = -0.5, q3 = 3.3333333333331404e-01, q4 = -2.4999999999996436e-01,
62 q5 = 2.0000010500004459e-01, q6 = -1.6666678916688004e-01,
63 r3 = 3.33333333333333333372884096563030E-01,
64 r4 = -2.50000000000000000213574153875908E-01,
65 r5 = 1.99999999999683593814072199830603E-01,
66 r6 = -1.66666666666065494878165510225378E-01,
67 r7 = 1.42857517857114380606360005067609E-01,
68 r8 = -1.25000449999974370683775964001702E-01,
69 s3 = 0.333251953125000000e0,
70 ss3 = 8.138020833333333333e-05,
71 s4 = -2.500000000000000000e-01,
72 s5 = 1.999999999999960937e-01,
73 s6 = -1.666666666666592447e-01,
74 s7 = 1.428571845238194705e-01,
75 s8 = -1.250000500000149097e-01;
76#endif
77