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BaseQualityHelper.cpp
/*
* Copyright (C) 2010 Regents of the University of Michigan
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "BaseQualityHelper.h"
#include <math.h>
baseQualityConvertor bQualityConvertor;
baseQualityConvertor::baseQualityConvertor()
{
// Create a quick lookup table to speed up conversion of
// base quality values stored as log10 (error rates) into
// fractional error rates
for (int i = 0; i <= 255; i++)
doubleLookup[i] = pow(0.1, i * 0.1);
// doubleLookup[255] = 0.0;
}
double baseQualityConvertor::toDouble(unsigned char bq)
{
return doubleLookup[bq];
}
baseQualityConvertor
Definition BaseQualityHelper.h:22