43 lines
933 B
C
43 lines
933 B
C
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#ifndef __utils__
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#define __utils__
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#include <cmath>
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#include <vector>
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template <typename T>
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std::vector<T> cutArrs(std::vector<T> &Arrs, int begin, int end) {
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std::vector<T> result;
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result.assign(Arrs.begin() + begin, Arrs.begin() + end);
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return result;
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}
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template <typename T>
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double average(T x, int len) {
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double sum = 0;
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for (int i = 0; i < len; i++) sum += x[i];
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return sum / len;
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}
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template <typename T>
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double variance(T x, int len) {
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double sum = 0;
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double avg = average(x, len);
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for (int i = 0; i < len; i++) sum += pow(x[i] - avg, 2);
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return sum / len;
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}
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template <typename T>
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double standardDev(T x, int len) {
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double var = variance(x, len);
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return sqrt(var);
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}
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template <typename T>
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double maxBias(T x, int len) {
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double res = -1;
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double avg = average(x, len);
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for (int i = 0; i < len; i++) res = std::max(res, abs(avg - x[i]));
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return res;
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}
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#endif
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