refactoring: changed variable names

src/arithmeticAddition.c

@@ -12,20 +12,20 @@ int* addition_integer(int num1, int num2) {
     return result;
 }
 
-double* addition_double(double number1, double number2) {
+double* addition_double(double num1, double num2) {
     double* result = malloc(sizeof(double));
-    *result = number1+number2;
+    *result = num1+num2;
     return result;
 }
 
-float* addition_float(float number1, float number2) {
+float* addition_float(float num1, float num2) {
     float* result = malloc(sizeof(float));
-    *result = number1+number2;
+    *result = num1+num2;
     return result;
 }
 
-long* addition_long(long number1, long number2) {
+long* addition_long(long num1, long num2) {
     long* result = malloc(sizeof(long));
-    *result = number1+number2;
+    *result = num1+num2;
     return result;
 }