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/*
* structchord.cpp
* Mothur
*
* Created by westcott on 12/15/10.
* Copyright 2010 Schloss Lab. All rights reserved.
*
*/
#include "structchord.h"
/***********************************************************************/
EstOutput StructChord::getValues(vector<SharedRAbundVector*> shared) {
try {
data.resize(1,0);
double sumAj2 = 0.0;
double sumBj2 = 0.0;
//calc the 2 denominators
for (int i = 0; i < shared[0]->getNumBins(); i++) {
int Aij = shared[0]->getAbundance(i);
int Bij = shared[1]->getAbundance(i);
//(Aij) ^ 2
sumAj2 += (Aij * Aij);
sumBj2 += (Bij * Bij);
}
sumAj2 = sqrt(sumAj2);
sumBj2 = sqrt(sumBj2);
//calc sum
double sum = 0.0;
for (int i = 0; i < shared[0]->getNumBins(); i++) {
int Aij = shared[0]->getAbundance(i);
int Bij = shared[1]->getAbundance(i);
sum += (((Aij / sumAj2) - (Bij / sumBj2)) * ((Aij / sumAj2) - (Bij / sumBj2)));
}
data[0] = sqrt(sum);
if (isnan(data[0]) || isinf(data[0])) { data[0] = 0; }
return data;
}
catch(exception& e) {
m->errorOut(e, "StructChord", "getValues");
exit(1);
}
}
/***********************************************************************/
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