Android String to Float Convert getFloatValue(double val, int len)

Description

get Float Value

Declaration

public static double getFloatValue(double val, int len) 

Method Source Code

//package com.java2s;

public class Main {
    public static double getFloatValue(double val, int len) {
        if (len <= 0) {
            return val;
        }//w  w w .  ja va  2  s  .  co m
        int lastVal = (int) (val * (Math.pow(10, len + 1)))
                - ((int) (val * (Math.pow(10, len)))) * 10;
        if (lastVal < 5) {
            return ((int) (val * (Math.pow(10, len))))
                    / (Math.pow(10, len));
        } else {
            return (((int) (val * (Math.pow(10, len)))) + 1)
                    / (Math.pow(10, len));
        }
    }
}

Related

1. String2AmountFloat(String str)
2. isFloat(String str)
3. isFloat(String str, int precision)
4. parseFloat(String string, float defValue)
5. TryParse(String str, float defaultFloat)
6. parseFloat(String value)