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57 lines
1.4 KiB
57 lines
1.4 KiB
#pragma once
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#include "./server/libaquery.h"
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#include "./server/aggregations.h"
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auto covariances2 = [](auto x, auto y, auto w, uint32_t _builtin_len, auto& _builtin_ret) {
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auto xmeans = 0.0;
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auto ymeans = 0.0;
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auto l = _builtin_len;
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if((l > 0)) {
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xmeans = x[0];
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ymeans = y[0];
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_builtin_ret[0] = 0.0;
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}
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if((w > l))
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w = l;
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for(auto i = 1, j = 0; (i < w); i = (i + 1)) {
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xmeans += x[i];
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ymeans += y[i];
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_builtin_ret[i] = avg(((x.subvec(0, i) - (xmeans / i)) * (y.subvec(0, i) - (ymeans / i))));
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}
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xmeans /= w;
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ymeans /= w;
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for(auto i = w; (i < l); i += 1) {
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xmeans += ((x[i] - x[(i - w)]) / w);
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ymeans += ((y[i] - y[(i - w)]) / w);
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_builtin_ret[i] = avg(((x.subvec((i - w), i) - xmeans) * (y.subvec((i - w), i) - ymeans)));
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}
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return ;
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};
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auto covariances2_gettype = [](auto x, auto y, auto w) {
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uint32_t _builtin_len = 0;
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auto xmeans = 0.0;
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auto ymeans = 0.0;
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auto l = _builtin_len;
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if((l > 0)) {
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xmeans = x[0];
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ymeans = y[0];
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return 0.0;
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}
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if((w > l))
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w = l;
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for(auto i = 1, j = 0; (i < w); i = (i + 1)) {
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xmeans += x[i];
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ymeans += y[i];
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return avg(((x.subvec(0, i) - (xmeans / i)) * (y.subvec(0, i) - (ymeans / i))));
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}
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xmeans /= w;
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ymeans /= w;
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for(auto i = w; (i < l); i += 1) {
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xmeans += ((x[i] - x[(i - w)]) / w);
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ymeans += ((y[i] - y[(i - w)]) / w);
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return avg(((x.subvec((i - w), i) - xmeans) * (y.subvec((i - w), i) - ymeans)));
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}
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};
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