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77 lines
3.3 KiB
C
77 lines
3.3 KiB
C
/*
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* IBM Accurate Mathematical Library
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* Written by International Business Machines Corp.
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* Copyright (C) 2001-2017 Free Software Foundation, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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/******************************************************************/
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/* */
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/* MODULE_NAME:upow.h */
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/* */
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/* common data and variables prototype and definition */
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/******************************************************************/
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#ifndef UPOW_H
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#define UPOW_H
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#include "mydefs.h"
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#ifdef BIG_ENDI
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const static mynumber
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/**/ nZERO = {{0x80000000, 0}}, /* -0.0 */
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/**/ INF = {{0x7ff00000, 0x00000000}}, /* INF */
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/**/ nINF = {{0xfff00000, 0x00000000}}, /* -INF */
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/**/ ln2a = {{0x3fe62e42, 0xfefa3800}}, /* ln(2) 43 bits */
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/**/ ln2b = {{0x3d2ef357, 0x93c76730}}, /* ln(2)-ln2a */
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/**/ bigu = {{0x4297ffff, 0xfffffd2c}}, /* 1.5*2**42 -724*2**-10 */
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/**/ bigv = {{0x4207ffff, 0xfff8016a}}, /* 1.5*2**33-1+362*2**-19 */
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/**/ t52 = {{0x43300000, 0x00000000}}, /* 2**52 */
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/**/ two52e = {{0x43300000, 0x000003ff}}; /* 2**52' */
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#else
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#ifdef LITTLE_ENDI
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const static mynumber
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/**/ nZERO = {{0, 0x80000000}}, /* -0.0 */
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/**/ INF = {{0x00000000, 0x7ff00000}}, /* INF */
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/**/ nINF = {{0x00000000, 0xfff00000}}, /* -INF */
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/**/ ln2a = {{0xfefa3800, 0x3fe62e42}}, /* ln(2) 43 bits */
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/**/ ln2b = {{0x93c76730, 0x3d2ef357}}, /* ln(2)-ln2a */
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/**/ bigu = {{0xfffffd2c, 0x4297ffff}}, /* 1.5*2**42 -724*2**-10 */
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/**/ bigv = {{0xfff8016a, 0x4207ffff}}, /* 1.5*2**33-1+362*2**-19 */
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/**/ t52 = {{0x00000000, 0x43300000}}, /* 2**52 */
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/**/ two52e = {{0x000003ff, 0x43300000}}; /* 2**52' */
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#endif
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#endif
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const static double p2=-0.5, p3 = 3.3333333333333333333e-1, p4 = -0.25,
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q2 = -0.5, q3 = 3.3333333333331404e-01, q4 = -2.4999999999996436e-01,
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q5 = 2.0000010500004459e-01, q6 = -1.6666678916688004e-01,
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r3 = 3.33333333333333333372884096563030E-01,
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r4 = -2.50000000000000000213574153875908E-01,
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r5 = 1.99999999999683593814072199830603E-01,
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r6 = -1.66666666666065494878165510225378E-01,
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r7 = 1.42857517857114380606360005067609E-01,
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r8 = -1.25000449999974370683775964001702E-01,
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s3 = 0.333251953125000000e0,
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ss3 = 8.138020833333333333e-05,
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s4 = -2.500000000000000000e-01,
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s5 = 1.999999999999960937e-01,
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s6 = -1.666666666666592447e-01,
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s7 = 1.428571845238194705e-01,
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s8 = -1.250000500000149097e-01;
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#endif
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