Finish Tests

Cmatrix.c

@@ -0,0 +1,67 @@
+// For GCC and Clang
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+void parseH(char *p);
+void parseL(char *p);
+
+void matrix_multiplication(int n) {
+    int **a = malloc(n * sizeof(int *));
+    int **b = malloc(n * sizeof(int *));
+    int **c = malloc(n * sizeof(int *));
+    
+    for (int i = 0; i < n; i++) {
+        a[i] = malloc(n * sizeof(int));
+        b[i] = malloc(n * sizeof(int));
+        c[i] = malloc(n * sizeof(int));
+        for (int j = 0; j < n; j++) {
+            a[i][j] = rand() % 100;
+            b[i][j] = rand() % 100;
+            c[i][j] = 0;
+        }
+    }
+
+    for (int i = 0; i < n; i++) {
+        for (int j = 0; j < n; j++) {
+            for (int k = 0; k < n; k++) {
+                c[i][j] += a[i][k] * b[k][j];
+            }
+        }
+    }
+
+    for (int i = 0; i < n; i++) {
+        free(a[i]);
+        free(b[i]);
+        free(c[i]);
+    }
+    free(a);
+    free(b);
+    free(c);
+}
+
+
+int main(int argc, char *argv[]) {
+
+    // Start measuring time
+    struct timespec begin, end;
+    clock_gettime(CLOCK_REALTIME, &begin);
+    // END
+
+    matrix_multiplication(1500);
+
+
+    // Stop measuring time and calculate the elapsed time
+    clock_gettime(CLOCK_REALTIME, &end);
+    long seconds = end.tv_sec - begin.tv_sec;
+    long nanoseconds = end.tv_nsec - begin.tv_nsec;
+    double elapsed = seconds + nanoseconds * 1e-9;
+
+    printf("Time measured: %.10f seconds.\n", elapsed);
+    //
+
+
+    return 0;
+}