40 lines
756 B
C
40 lines
756 B
C
#pragma once
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#include <math.h>
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#include <stdlib.h>
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// Histogram struct.
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//
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struct bin
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{
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size_t amo; // Amount of events in the bin.
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double sum; // Sum of |p_v|s of all the events in the bin.
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};
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// Minimization struct.
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//
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struct parameters
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{
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struct bin* histo; // Histogram
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size_t n; // Number of bins
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double step; // Bin width
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};
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/////////////////////////////////////////////////////////////////
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// Minimization wrapper.
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//
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double chi2 (double p_max, void* params);
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// Expected function.
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//
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double expected (double x, double p_max);
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// First derivative of the expected function.
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//
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double exp1d (double x, double p_max);
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// Second derivative of the expected function.
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//
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double exp2d (double x, double p_max);
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