refactoring: changed double division variables and removed spaces

src/arithmeticDivision.c

@@ -25,14 +25,11 @@ long* division_long(long dividend, long divisor) {
     return result;
 }
 
-double* division_double(double num1, double num2) {
-    if(num2 == 0) {
+double* division_double(double dividend, double divisor) {
+    if(divisor == 0) {
         return NULL;
     }
-
-
-
     double* result = malloc(sizeof(double ));
-    *result = num1 / num2;
+    *result = dividend / divisor;
     return result;
 }