| /* |
| * 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 2.1 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, 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 |