/* * IBM Accurate Mathematical Library * Written by International Business Machines Corp. * Copyright (C) 2001, 2002 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 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, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /******************************************************************/ /* */ /* MODULE_NAME:upow.h */ /* */ /* common data and variables prototype and definition */ /******************************************************************/ #ifndef UPOW_H #define UPOW_H #include "mydefs.h" #ifdef BIG_ENDI const static mynumber /**/ nZERO = {{0x80000000, 0}}, /* -0.0 */ /**/ INF = {{0x7ff00000, 0x00000000}}, /* INF */ /**/ nINF = {{0xfff00000, 0x00000000}}, /* -INF */ /**/ NaNQ = {{0x7ff80000, 0x00000000}}, /* NaNQ */ /**/ sqrt_2 = {{0x3ff6a09e, 0x667f3bcc}}, /* sqrt(2) */ /**/ ln2a = {{0x3fe62e42, 0xfefa3800}}, /* ln(2) 43 bits */ /**/ ln2b = {{0x3d2ef357, 0x93c76730}}, /* ln(2)-ln2a */ /**/ bigu = {{0x4297ffff, 0xfffffd2c}}, /* 1.5*2**42 -724*2**-10 */ /**/ bigv = {{0x4207ffff, 0xfff8016a}}, /* 1.5*2**33-1+362*2**-19 */ /**/ t52 = {{0x43300000, 0x00000000}}, /* 2**52 */ /**/ two52e = {{0x43300000, 0x000003ff}}; /* 2**52' */ #else #ifdef LITTLE_ENDI const static mynumber /**/ nZERO = {{0, 0x80000000}}, /* -0.0 */ /**/ INF = {{0x00000000, 0x7ff00000}}, /* INF */ /**/ nINF = {{0x00000000, 0xfff00000}}, /* -INF */ /**/ NaNQ = {{0x00000000, 0x7ff80000}}, /* NaNQ */ /**/ sqrt_2 = {{0x667f3bcc, 0x3ff6a09e}}, /* sqrt(2) */ /**/ ln2a = {{0xfefa3800, 0x3fe62e42}}, /* ln(2) 43 bits */ /**/ ln2b = {{0x93c76730, 0x3d2ef357}}, /* ln(2)-ln2a */ /**/ bigu = {{0xfffffd2c, 0x4297ffff}}, /* 1.5*2**42 -724*2**-10 */ /**/ bigv = {{0xfff8016a, 0x4207ffff}}, /* 1.5*2**33-1+362*2**-19 */ /**/ t52 = {{0x00000000, 0x43300000}}, /* 2**52 */ /**/ two52e = {{0x000003ff, 0x43300000}}; /* 2**52' */ #endif #endif const static double p2=-0.5, p3 = 3.3333333333333333333e-1, p4 = -0.25, q2 = -0.5, q3 = 3.3333333333331404e-01, q4 = -2.4999999999996436e-01, q5 = 2.0000010500004459e-01, q6 = -1.6666678916688004e-01, r3 = 3.33333333333333333372884096563030E-01, r4 = -2.50000000000000000213574153875908E-01, r5 = 1.99999999999683593814072199830603E-01, r6 = -1.66666666666065494878165510225378E-01, r7 = 1.42857517857114380606360005067609E-01, r8 = -1.25000449999974370683775964001702E-01, s3 = 0.333251953125000000e0, ss3 = 8.138020833333333333e-05, s4 = -2.500000000000000000e-01, s5 = 1.999999999999960937e-01, s6 = -1.666666666666592447e-01, s7 = 1.428571845238194705e-01, s8 = -1.250000500000149097e-01; #endif