setup

advection/src/main.cpp

@@ -0,0 +1,51 @@
+#include "interpolate.h"
+#include "Vel.h"
+#include <ranges>
+#include <chrono>
+
+using namespace std;
+
+int main() {
+    UVGrid uvGrid;
+    uvGrid.streamSlice(cout, 100);
+
+    int N = 10000000;  // Number of points
+
+    int time_start = 0;
+    int time_end = 31536000;
+
+    double lat_start = 46.125;
+    double lat_end = 62.625;
+
+    double lon_start = -15.875;
+    double lon_end = 12.875;
+
+    double lat_step = (lat_end - lat_start) / (N - 1);
+    double lon_step = (lon_end - lon_start) / (N - 1);
+    int time_step = (time_end - time_start) / (N - 1);
+
+    vector<tuple<int, double, double>> points;
+
+    for(int i = 0; i < N; i++) {
+        points.push_back({time_start+time_step*i, lat_start+lat_step*i, lon_start+lon_step*i});
+    }
+
+    auto start = chrono::high_resolution_clock::now();
+
+    auto x = bilinearInterpolate(uvGrid, points);
+
+    auto stop = chrono::high_resolution_clock::now();
+
+    auto duration = chrono::duration_cast<std::chrono::milliseconds >(stop - start);
+
+    cout << "Time taken for " << N << " points was " << duration.count()/1000. << " seconds\n";
+
+    // Do something with result in case of optimisation
+    double sum = 0;
+    for (auto [u,v]: x) {
+        sum += u + v;
+    }
+    cout << "Sum = " << sum << endl;
+
+    return 0;
+}