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//Download by http://www.NewXing.com /* scalfact.cpp Scalefactors for layer I and II */ /* * @(#) scalefactors.cc 1.5, last edit: 6/15/94 16:51:48 * @(#) Copyright (C) 1993, 1994 Tobias Bading (bading@cs.tu-berlin.de) * @(#) Berlin University of Technology * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* * Changes from version 1.1 to 1.2: * - array size increased by one, although a scalefactor with index 63 * is illegal (to prevent segmentation faults) */ #include "scalfact.h" #ifdef __WIN32__ #pragma warning (disable: 4305) #endif // Scalefactors for layer I and II, Annex 3-B.1 in ISO/IEC DIS 11172: const real scalefactors[64] = { 2.00000000000000, 1.58740105196820, 1.25992104989487, 1.00000000000000, 0.79370052598410, 0.62996052494744, 0.50000000000000, 0.39685026299205, 0.31498026247372, 0.25000000000000, 0.19842513149602, 0.15749013123686, 0.12500000000000, 0.09921256574801, 0.07874506561843, 0.06250000000000, 0.04960628287401, 0.03937253280921, 0.03125000000000, 0.02480314143700, 0.01968626640461, 0.01562500000000, 0.01240157071850, 0.00984313320230, 0.00781250000000, 0.00620078535925, 0.00492156660115, 0.00390625000000, 0.00310039267963, 0.00246078330058, 0.00195312500000, 0.00155019633981, 0.00123039165029, 0.00097656250000, 0.00077509816991, 0.00061519582514, 0.00048828125000, 0.00038754908495, 0.00030759791257, 0.00024414062500, 0.00019377454248, 0.00015379895629, 0.00012207031250, 0.00009688727124, 0.00007689947814, 0.00006103515625, 0.00004844363562, 0.00003844973907, 0.00003051757813, 0.00002422181781, 0.00001922486954, 0.00001525878906, 0.00001211090890, 0.00000961243477, 0.00000762939453, 0.00000605545445, 0.00000480621738, 0.00000381469727, 0.00000302772723, 0.00000240310869, 0.00000190734863, 0.00000151386361, 0.00000120155435, 0.00000000000000 /* illegal scalefactor */ };