CDE

Task/Exponentiation-operator/Java/exponentiation-operator.java

@@ -0,0 +1,14 @@
+public class Exp{
+   public static void main(String[] args){
+      System.out.println(pow(2,30));
+      System.out.println(pow(2.0,30)); //tests
+      System.out.println(pow(2.0,-2));
+   }
+
+   public static double pow(double base, int exp){
+      if(exp < 0) return 1 / pow(base, -exp);
+      double ans = 1.0;
+      for(;exp > 0;--exp) ans *= base;
+      return ans;
+   }
+}