94 lines
4.3 KiB
C
94 lines
4.3 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) 2001-2018 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:ulog.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 ULOG_H
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#define ULOG_H
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#ifdef BIG_ENDI
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static const number
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/* polynomial I */
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/**/ a2 = {{0xbfe00000, 0x0001aa8f} }, /* -0.500... */
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/**/ a3 = {{0x3fd55555, 0x55588d2e} }, /* 0.333... */
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/* polynomial II */
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/**/ b0 = {{0x3fd55555, 0x55555555} }, /* 0.333... */
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/**/ b1 = {{0xbfcfffff, 0xffffffbb} }, /* -0.249... */
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/**/ b2 = {{0x3fc99999, 0x9999992f} }, /* 0.199... */
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/**/ b3 = {{0xbfc55555, 0x556503fd} }, /* -0.166... */
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/**/ b4 = {{0x3fc24924, 0x925b3d62} }, /* 0.142... */
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/**/ b5 = {{0xbfbffffe, 0x160472fc} }, /* -0.124... */
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/**/ b6 = {{0x3fbc71c5, 0x25db58ac} }, /* 0.111... */
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/**/ b7 = {{0xbfb9a4ac, 0x11a2a61c} }, /* -0.100... */
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/**/ b8 = {{0x3fb75077, 0x0df2b591} }, /* 0.091... */
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/* constants */
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/**/ sqrt_2 = {{0x3ff6a09e, 0x667f3bcc} }, /* sqrt(2) */
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/**/ h1 = {{0x3fd2e000, 0x00000000} }, /* 151/2**9 */
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/**/ h2 = {{0x3f669000, 0x00000000} }, /* 361/2**17 */
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/**/ delu = {{0x3f700000, 0x00000000} }, /* 1/2**8 */
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/**/ delv = {{0x3ef00000, 0x00000000} }, /* 1/2**16 */
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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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/**/ two54 = {{0x43500000, 0x00000000} }, /* 2**54 */
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/**/ u03 = {{0x3f9eb851, 0xeb851eb8} }; /* 0.03 */
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#else
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#ifdef LITTLE_ENDI
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static const number
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/* polynomial I */
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/**/ a2 = {{0x0001aa8f, 0xbfe00000} }, /* -0.500... */
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/**/ a3 = {{0x55588d2e, 0x3fd55555} }, /* 0.333... */
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/* polynomial II */
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/**/ b0 = {{0x55555555, 0x3fd55555} }, /* 0.333... */
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/**/ b1 = {{0xffffffbb, 0xbfcfffff} }, /* -0.249... */
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/**/ b2 = {{0x9999992f, 0x3fc99999} }, /* 0.199... */
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/**/ b3 = {{0x556503fd, 0xbfc55555} }, /* -0.166... */
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/**/ b4 = {{0x925b3d62, 0x3fc24924} }, /* 0.142... */
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/**/ b5 = {{0x160472fc, 0xbfbffffe} }, /* -0.124... */
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/**/ b6 = {{0x25db58ac, 0x3fbc71c5} }, /* 0.111... */
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/**/ b7 = {{0x11a2a61c, 0xbfb9a4ac} }, /* -0.100... */
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/**/ b8 = {{0x0df2b591, 0x3fb75077} }, /* 0.091... */
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/* constants */
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/**/ sqrt_2 = {{0x667f3bcc, 0x3ff6a09e} }, /* sqrt(2) */
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/**/ h1 = {{0x00000000, 0x3fd2e000} }, /* 151/2**9 */
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/**/ h2 = {{0x00000000, 0x3f669000} }, /* 361/2**17 */
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/**/ delu = {{0x00000000, 0x3f700000} }, /* 1/2**8 */
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/**/ delv = {{0x00000000, 0x3ef00000} }, /* 1/2**16 */
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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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/**/ two54 = {{0x00000000, 0x43500000} }, /* 2**54 */
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/**/ u03 = {{0xeb851eb8, 0x3f9eb851} }; /* 0.03 */
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#endif
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#endif
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#define SQRT_2 sqrt_2.d
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#define DEL_U delu.d
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#define DEL_V delv.d
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#define LN2A ln2a.d
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#define LN2B ln2b.d
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#define U03 u03.d
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#endif
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