50 lines
1.2 KiB
C++
50 lines
1.2 KiB
C++
/*
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* Generate a histogram for volumetric, interfacial and common curve properties
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* copyright 2014, James E. McClure
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*/
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#define HISTOGRAM_RESOLUTION 1000
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struct Histogram {
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Histogram(double v1, double v2) {
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data = new double[HISTOGRAM_RESOLUTION];
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minimum = v1;
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maximum = v2;
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delta = (maximum - minimum) / HISTOGRAM_RESOLUTION;
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}
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~Histogram { delete *data; }
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double *data;
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double minimum, maximum, delta;
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// Adds value into the histogram
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void IncludeValue(double value, double weight) {
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idx = floor((value - min) / delta);
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if (idx > HISTOGRAM_RESOLUTION)
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;
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else if (idx < 0)
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;
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else
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data[idx] += weight;
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}
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// Returns the maximum value in the histogram
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void GetMax() {
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max = minimum;
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for (idx = 1; idx < HISTOGRAM_RESOLUTION; idx++) {
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if (data[idx] > max) {
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max = minimum + idx * delta;
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}
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}
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}
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// Resets the histogram to zero
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void Reset() {
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for (idx = 0; idx < HISTOGRAM_RESOLUTION; idx++)
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data[idx] = 0.0;
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}
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private:
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int idx;
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double max, min;
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};
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