Refactoring: replaced multiplication with multi in mltiplication repetition function

src/multiplication.c

@@ -236,7 +236,7 @@ int karatsu_multi(int num1, int num2) {
 }
 
 
-int multiplication_repetition(int a, int n) {
+int multi_repetition(int a, int n) {
     int resultat = 0;
     for (int i = 0; i < n; i++) {
         resultat += a;

src/multiplication.h

@@ -31,7 +31,7 @@ int bernoulli_multi(int num, int bernoulli);
 float power_multi(float base, int exponent);
 int bitwisee_multi(int num1, int num2);
 int karatsu_multi(int num1, int num2);
-int multiplication_repetition(int a, int n);
+int multi_repetition(int a, int n);