Java Double Number Round round(double x, int numPlaces)

Description

round

License

Apache License

Declaration

public static double round(double x, int numPlaces) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

public class Main {
    public static double round(double x, int numPlaces) {
        double scale = Math.pow(10, numPlaces);
        return Math.round(x * scale) / scale;
    }//from  w  w  w.ja va 2 s  .c  o m

    public static double[] round(double[] vec, int numPlaces) {
        double[] newVec = new double[vec.length];
        double scale = Math.pow(10, numPlaces);
        for (int i = 0; i < vec.length; i++)
            newVec[i] = Math.round(vec[i] * scale) / scale;
        return newVec;
    }
}

Related

1. round(double what, int howmuch)
2. round(double x)
3. round(double x)
4. round(double x)
5. round(double x)
6. round(double x, int places)
7. round(double zahl, int stellen)
8. round(double[] arr)
9. round(double[] array, int decimals)