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//
// npv.cpp
// Mothur
//
// Created by Sarah Westcott on 4/11/17.
// Copyright © 2017 Schloss Lab. All rights reserved.
//
#include "npv.hpp"
/***********************************************************************/
double NPV::getValue(double tp, double tn, double fp, double fn) {
try {
long long nPrime = tn + fn;
double negativePredictiveValue = tn / (double) nPrime;
if(nPrime == 0) { negativePredictiveValue = 0; }
if (isnan(negativePredictiveValue) || isinf(negativePredictiveValue)) { negativePredictiveValue = 0; }
return negativePredictiveValue;
}
catch(exception& e) {
m->errorOut(e, "NPV", "getValue");
exit(1);
}
}
/***********************************************************************/
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