51 lines
1.6 KiB
C++
51 lines
1.6 KiB
C++
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//
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// Created by dominik on 8/14/24.
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//#
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#include <vector>
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#include <chrono>
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#include <iostream>
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int nearest_index(const std::vector<double> &x_ref, const double x, int start=0) {
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while (x > x_ref[start+1]) {
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start++;
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}
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return start;
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}
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double lerp(const std::vector<double>& x_ref, const std::vector<double>& y_ref, const double x, const int i) {
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const double x_left = x_ref[i];
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const double y_left = y_ref[i];
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const double x_right = x_ref[i+1];
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const double y_right = y_ref[i+1];
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const double dydx = (y_right - y_left) / ( x_right - x_left );
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return y_left + dydx * (x - x_left);
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}
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std::chrono::time_point<std::chrono::system_clock> printSteps(
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const std::chrono::time_point<std::chrono::system_clock> last_print_out,
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const std::chrono::time_point<std::chrono::system_clock> start,
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const int total,
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const int steps
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) {
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const auto now = std::chrono::high_resolution_clock::now();
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if (const std::chrono::duration<float> duration = now - last_print_out; duration.count() < 10.) {
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return last_print_out;
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}
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std::chrono::duration<float> duration = now - start;
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const auto passed = duration.count();
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std::cout << steps << " of " << total << " steps: " << passed << "s passed; ~" << passed * static_cast<float>(total-steps) / static_cast<float>(steps) << "s remaining\n";
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return now;
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// time_t end_time = std::chrono::system_clock::to_time_t(end);
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// std::cout << "End tau = " << tau_i << "s : " << ctime(&end_time);
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// std::cout << "Duration: " << duration.count() << "s\n" << std::endl;
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}
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