1/*
2 * IBM Accurate Mathematical Library
3 * Written by International Business Machines Corp.
4 * Copyright (C) 2001, 2002 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:upow.h                                             */
24/*                                                                */
25/* common data and variables prototype and definition             */
26/******************************************************************/
27
28#ifndef UPOW_H
29#define UPOW_H
30
31#include "mydefs.h"
32
33#ifdef BIG_ENDI
34  const static mynumber
35/**/ nZERO	    = {{0x80000000, 0}},	  /* -0.0          */
36/**/ INF            = {{0x7ff00000, 0x00000000}}, /* INF           */
37/**/ nINF           = {{0xfff00000, 0x00000000}}, /* -INF          */
38/**/ NaNQ           = {{0x7ff80000, 0x00000000}}, /* NaNQ          */
39/**/ sqrt_2         = {{0x3ff6a09e, 0x667f3bcc}}, /* sqrt(2)       */
40/**/ ln2a           = {{0x3fe62e42, 0xfefa3800}}, /* ln(2) 43 bits */
41/**/ ln2b           = {{0x3d2ef357, 0x93c76730}}, /* ln(2)-ln2a    */
42/**/ bigu           = {{0x4297ffff, 0xfffffd2c}}, /* 1.5*2**42 -724*2**-10  */
43/**/ bigv           = {{0x4207ffff, 0xfff8016a}}, /* 1.5*2**33-1+362*2**-19  */
44/**/ t52            = {{0x43300000, 0x00000000}}, /* 2**52         */
45/**/ two52e         = {{0x43300000, 0x000003ff}}; /* 2**52'        */
46
47#else
48#ifdef LITTLE_ENDI
49  const static mynumber
50/**/ nZERO	    = {{0, 0x80000000}},	  /* -0.0          */
51/**/ INF            = {{0x00000000, 0x7ff00000}}, /* INF           */
52/**/ nINF           = {{0x00000000, 0xfff00000}}, /* -INF           */
53/**/ NaNQ           = {{0x00000000, 0x7ff80000}}, /* NaNQ          */
54/**/ sqrt_2         = {{0x667f3bcc, 0x3ff6a09e}}, /* sqrt(2)       */
55/**/ ln2a           = {{0xfefa3800, 0x3fe62e42}}, /* ln(2) 43 bits */
56/**/ ln2b           = {{0x93c76730, 0x3d2ef357}}, /* ln(2)-ln2a    */
57/**/ bigu           = {{0xfffffd2c, 0x4297ffff}}, /* 1.5*2**42 -724*2**-10  */
58/**/ bigv           = {{0xfff8016a, 0x4207ffff}}, /* 1.5*2**33-1+362*2**-19  */
59/**/ t52            = {{0x00000000, 0x43300000}}, /* 2**52         */
60/**/ two52e         = {{0x000003ff, 0x43300000}}; /* 2**52'        */
61
62#endif
63#endif
64
65const static double p2=-0.5, p3 =  3.3333333333333333333e-1, p4 = -0.25,
66  q2 = -0.5, q3 = 3.3333333333331404e-01, q4 =  -2.4999999999996436e-01,
67  q5 =  2.0000010500004459e-01, q6 =  -1.6666678916688004e-01,
68  r3 =  3.33333333333333333372884096563030E-01,
69  r4 = -2.50000000000000000213574153875908E-01,
70  r5 =  1.99999999999683593814072199830603E-01,
71  r6 = -1.66666666666065494878165510225378E-01,
72  r7 =  1.42857517857114380606360005067609E-01,
73  r8 = -1.25000449999974370683775964001702E-01,
74  s3 =  0.333251953125000000e0,
75 ss3 =  8.138020833333333333e-05,
76  s4 = -2.500000000000000000e-01,
77  s5 =  1.999999999999960937e-01,
78  s6 = -1.666666666666592447e-01,
79  s7 =  1.428571845238194705e-01,
80  s8 = -1.250000500000149097e-01;
81#endif
82