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70 lines
3.0 KiB
C
70 lines
3.0 KiB
C
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/*
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* IBM Accurate Mathematical Library
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* Copyright (c) International Business Machines Corp., 2001
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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 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 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/******************************************************************/
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/* */
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/* MODULE_NAME:uexp.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 UEXP_H
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#define UEXP_H
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#include "mydefs.h"
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const static double one = 1.0, zero = 0.0, hhuge = 1.0e300, tiny = 1.0e-300,
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err_0 = 1.000014, err_1 = 0.000016;
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const static int4 bigint = 0x40862002,
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badint = 0x40876000,smallint = 0x3C8fffff;
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const static int4 hugeint = 0x7FFFFFFF, infint = 0x7ff00000;
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#ifdef BIG_ENDI
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const static mynumber inf = {{0x7FF00000, 0}}; /* inf */
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const static mynumber t256 = {{0x4ff00000, 0}}; /* 2^256 */
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const static mynumber ln_two1 = {{0x3FE62E42, 0xFEFA3800}};/*0.69314718055989033 */
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const static mynumber ln_two2 = {{0x3D2EF357, 0x93C76730}};/*5.4979230187083712e-14*/
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const static mynumber log2e = {{0x3FF71547, 0x652B82FE}};/* 1.4426950408889634 */
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const static mynumber p2 = {{0x3FE00000, 0x000004DC}};/* 0.50000000000013811 */
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const static mynumber p3 = {{0x3FC55555, 0x55555A0F}};/* 0.16666666666670024 */
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const static mynumber three33 = {{0x42180000, 0}}; /* 25769803776 */
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const static mynumber three51 = {{0x43380000, 0}}; /* 6755399441055744 */
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#else
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#ifdef LITTLE_ENDI
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const static mynumber inf = {{0, 0x7FF00000}}; /* inf */
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const static mynumber t256 = {{0, 0x4ff00000}}; /* 2^256 */
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const static mynumber ln_two1 = {{0xFEFA3800, 0x3FE62E42}};/*0.69314718055989033 */
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const static mynumber ln_two2 = {{0x93C76730, 0x3D2EF357}};/*5.4979230187083712e-14*/
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const static mynumber log2e = {{0x652B82FE, 0x3FF71547}};/* 1.4426950408889634 */
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const static mynumber p2 = {{0x000004DC, 0x3FE00000}};/* 0.50000000000013811 */
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const static mynumber p3 = {{0x55555A0F, 0x3FC55555}};/* 0.16666666666670024 */
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const static mynumber three33 = {{0, 0x42180000}}; /* 25769803776 */
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const static mynumber three51 = {{0, 0x43380000}}; /* 6755399441055744 */
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#endif
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#endif
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#endif
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