Finish project 2

src/project2/off_diagonal_finder.cpp

@@ -0,0 +1,23 @@
+#include "include/helpers.hpp"
+#include <iostream>
+#include <armadillo>
+
+using namespace std;
+using namespace arma;
+
+int main(){
+    // Setup of the test matrix
+    mat A = {{1., 0., 0., 0.5},
+             {0., 1., -0.7, 0.},
+             {0., -0.7, 1., 0.},
+             {0.5, 0., 0., 1.}}; 
+
+    // Call the function
+    int k, l;
+    double max_val = max_offdiag_symmetric(A, k, l);
+
+    // Print the results
+    cout << "Max off-diagonal value: " << max_val << " at (" << k << ", " << l << ")" << endl;
+
+    return 0;
+}