22 lines
898 B
C++
22 lines
898 B
C++
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#include "stats.h"
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#include <vector>
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#include <algorithm>
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double med(std::vector<double> &scores,bool ignoreExtremes) {
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const auto len = scores.size() - (ignoreExtremes && scores.size() > 2) ? 2 : 0;
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sort(scores.begin(), scores.end());
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using vec_size = std::vector<double>::size_type;
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const vec_size middle = (vec_size) (len / 2);
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if (middle%2 == 1)
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return scores[middle];
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else
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return (scores[middle - 1] + scores[middle]) / 2.0;
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}
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double avg(const std::vector<double> &scores,bool ignoreExtremes) {
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auto sum = 0.0;
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using vec_size = std::vector<double>::size_type;
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for (vec_size i = (ignoreExtremes && scores.size() > 2) ? 1 : 0; i < scores.size() - (ignoreExtremes && scores.size() > 2) ? 1 : 0; i++) sum += scores[i];
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return sum / static_cast<double>(scores.size() - (ignoreExtremes && scores.size() > 2) ? 2 : 0);
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}
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