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/*************************************************************************** |
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* * |
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* LinuxSampler - modular, streaming capable sampler * |
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* * |
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* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
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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 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 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, * |
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* MA 02111-1307 USA * |
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***************************************************************************/ |
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|
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#include "RTMath.h" |
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|
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float RTMath::CentsToFreqTable[MAX_PITCH * 1200 * 2 + 1]; // +-1200 cents per octave |
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float* RTMath::pCentsToFreqTable(InitCentsToFreqTable()); |
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|
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/** |
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* Will automatically be called once to initialize the 'Cents to frequency |
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* ratio' table. |
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*/ |
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float* RTMath::InitCentsToFreqTable() { |
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float* pMiddleOfTable = &CentsToFreqTable[MAX_PITCH * 1200]; |
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for (int i = -1200; i <= 1200; i++) { |
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pMiddleOfTable[i] = pow(TWELVEHUNDREDTH_ROOT_OF_TWO, i); |
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} |
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return pMiddleOfTable; |
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} |