is double Zero - Java java.lang

Description

is double Zero

Demo Code

//package com.java2s;

public class Main {
    private static final double ZERO_EPSILON = 0.000001;

    public static boolean isZero(double a) {
        return Math.abs(a) < ZERO_EPSILON;
    }/*from   w w w  . j ava  2s.co  m*/
}

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Related Tutorials

• Returns true if and only if the given value is between value1 and value2.
• Checks the the given doubles if they are equals - which means they are closer than a predefined epsilon value, because comparing two doubles directly is a bad practice.
• hash Code double Eps
• Test if two numbers are equal.
• Test if two numbers are equal within an absolute or relative tolerance whichever is larger.