Fixed: -B now gives error for values lower than 1

Implementierung/main.c

@@ -139,7 +139,7 @@ int main(int argc, char** argv)
     int version_to_use = 0; // actual initial value
     _Bool colored = 0; // actual initial value
 
-    unsigned amount_function_called = 0; // initial values, so that the compiler doesn't complain
+    int amount_function_called = 0; // initial values, so that the compiler doesn't complain
     unsigned n = 0;
     float starting_point_real = 0;
     float starting_point_imaginary = 0;
@@ -168,7 +168,7 @@ int main(int argc, char** argv)
         
         case 'B': // done, function needed
             // wird die Laufzeit der angegebenen Implementierung gemessen und ausgegeben (do this later)
-            amount_function_called = strtoul(optarg,NULL,10);
+            int amount_function_called = strtol(optarg,NULL,10);
             if (amount_function_called <= 0) {
                 printf("Invalid benchmarking input, the value should be greater than 0\n");
                 return 1;