arithmetic Subtraction specification

src/arithmeticSubtraction.c

@@ -8,6 +8,7 @@ int* subtraction_integer(int a, int b) {
     *result=a - b;
     return result;
 }
+//arithmetic Subtraction specification float
 float* subtraction_float(float a, float b) {
     float* result= malloc(sizeof (float));
     *result=a - b;