Add matrix clone and destroy

main.c

@@ -11,7 +11,7 @@
 #include "matrix.h"
 
 int main() {
-    matrix mat;
+    matrix mat, cloned;
     int32_t m = 3;
     int32_t n = 4;
     int32_t s = m * n;
@@ -23,6 +23,12 @@ int main() {
     matrix_init_from_array(&mat, m, n, data, s);
     printf("Matrix %dx%d from array\n", m, n);
     matrix_print(mat);
+    matrix_clone(&cloned, mat);
+    printf("Cloned matrix :\n");
+    matrix_print(cloned);
+    // Free the memory
+    matrix_destroy(&mat);
+    matrix_destroy(&cloned);
     
     return EXIT_SUCCESS;
 }

matrix.c

@@ -77,9 +77,32 @@ error_code matrix_print(const matrix mat) {
     return ok;
 }
 
-void swap(int *x, int *y)
-{
-    int tmp = *x;
-    *x = *y;
-    *y = tmp;
+error_code matrix_clone(matrix *cloned, const matrix mat) {
+    error_code code = matrix_alloc(cloned, mat.m, mat.n);
+    if (code == err) {
+        return err;
+    }
+
+    for (int i = 0; i < mat.m; i++) {
+        for (int k = 0; k < mat.n; k++) {
+            cloned->data[i][k] = mat.data[i][k];
+        }
+    }
+
+    return ok;
+}
+
+error_code matrix_destroy(matrix *mat) {
+    // Free each row
+    for (int32_t i = 0; i < mat->m; i++) {
+        free(mat->data[i]);
+    }
+
+    // Free the data and reset the number of row and col
+    free(mat->data);
+    mat->m = -1;
+    mat->n = -1;
+    mat->data = NULL;
+
+    return ok;
 }

matrix.h

@@ -39,6 +39,4 @@ error_code matrix_get(int32_t *elem, const matrix mat, int32_t ix, int32_t iy);
 
 error_code matrix_set(matrix mat, int32_t ix, int32_t iy, int32_t elem);
 
-void swap(int *x, int *y);
-
 #endif
\ No newline at end of file