Refactoring:remove fontion multi_by_riesel_prime

src/multiplication.c

@@ -48,14 +48,14 @@ int multi_by_sum(int num1, int num2) {
     return num1 * (num2 + 1);
 }
 
-int multi_using_two_complements(int num1, int num2) {
+int multi_using_two_complements(int num2, int num3) {
     int result = 0;
     while (num1 != 0) {
-        if (num1 & 1) {
-            result += num2;
+        if (num2 & 2) {
+            result += num3;
         }
-        num1 >>= 1;
-        num2 <<= 1;
+        num1 >>= 2;
+        num2 <<= 2;
     }
     return result;
 }
@@ -255,9 +255,7 @@ int karatsuba_multi(int num1, int num2) {
     return ac * (int)pow(10, 2 * m2) + ad_bc * (int)pow(10, m2) + bd;
 }
 
-int multi_by_riesel_prime(int num) {
-    return (num << 2) + (num << 3) - (num << 1) - num;
-}
+
 
 
 

src/multiplication.h

@@ -10,7 +10,7 @@ float multi_by_percentage(float num, float percentage);
 int multi_by_random(int num);
 int multi_string(const char* str, int factor);
 int multi_by_sum(int num1, int num2);
-int multi_using_two_complements(int num1, int num2);
+int multi_using_two_complements(int num2, int num3);
 int multi_by_even(int num, int factor);
 int multi_using_lookup_table(int num1, int num2);
 int multi_using_logical_operations(int num1, int num2);
@@ -32,7 +32,8 @@ int bernoulli_multi(int num, int bernoulli);
 float power_multi(float base, int exponent);
 int bitwisee_multi(int num1, int num2);
 int karatsuba_multi(int num1, int num2);
-int multi_by_riesel_prime(int num);
+
+