Java Number Power pow(double base, int exp)

Description

pow

License

Apache License

Declaration

public static double pow(double base, int exp) 

Method Source Code

//package com.java2s;
/*/*from  w  w w .j  ava2s  .c  o  m*/
 *    Copyright 2008 Christian Stussak
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

public class Main {
    public static double pow(double base, int exp) {
        double result = 1.0;
        while (exp > 0) {
            if ((exp & 1) == 1) {
                result = result * base;
                exp--;
            }
            base = base * base;
            exp /= 2;
        }
        return result;
    }
}

Related

1. pow(double a, double b)
2. pow(double a, double b)
3. pow(double a, double b)
4. pow(double a, int b)
5. pow(double base, double exp)
6. pow(double base, int exp)
7. pow(double base, int exponent)
8. pow(double number)
9. Pow(double val, Object in)