// Hamming distance metric class
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//package edu.wlu.cs.levy.CG;
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class EuclideanDistance extends DistanceMetric {
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protected double distance(double [] a, double [] b) {
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return Math.sqrt(sqrdist(a, b));
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}
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protected static double sqrdist(double [] a, double [] b) {
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double dist = 0;
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for (int i=0; i<a.length; ++i) {
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double diff = (a[i] - b[i]);
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dist += diff*diff;
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}
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return dist;
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}
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}
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