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37 lines
1.3 KiB
C++
37 lines
1.3 KiB
C++
// $Id: gammaDistribution.cpp 2862 2007-11-27 10:59:03Z itaymay $
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#include "definitions.h"
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#include "gammaDistribution.h"
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#include "gammaUtilities.h"
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#include "logFile.h"
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#include <cmath>
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gammaDistribution::gammaDistribution(MDOUBLE alpha,int in_number_of_categories) :
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generalGammaDistribution(alpha,alpha,in_number_of_categories) {}
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gammaDistribution::gammaDistribution(const gammaDistribution& other) :
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generalGammaDistribution(other) {}
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void gammaDistribution::setAlpha(MDOUBLE in_alpha) {
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if (in_alpha == _alpha) return;
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setGammaParameters( categories(), in_alpha);
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}
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//this function builds the gamma distribution
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void gammaDistribution::setGammaParameters(int in_number_of_categories, MDOUBLE in_alpha) {
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generalGammaDistribution::setGammaParameters(in_number_of_categories,in_alpha,in_alpha);
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}
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void gammaDistribution::change_number_of_categories(int in_number_of_categories) {
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if (in_number_of_categories == categories())
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return;
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setGammaParameters( in_number_of_categories, _alpha, _alpha);
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}
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void gammaDistribution::setGammaParameters(int numOfCategories ,MDOUBLE alpha, MDOUBLE beta) {
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if (alpha!=beta)
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errorMsg::reportError("gammaDistribution::setGammaParameters : can not set beta because alpha must be equal to beta");
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generalGammaDistribution::setGammaParameters(numOfCategories,alpha,beta);
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}
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