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