Compare floating-point for almost equal in Java
Description
The following code shows how to compare floating-point for almost equal.
Example
/* w w w . j a va 2 s.c o m*/
public class Main{
public static boolean equals(double v1, // First argument
double v2, // Second argument
double e) // Epsilon
{
return Math.abs(v1 - v2) < e;
}
public static void main(String[] args) {
double a = 9.33333333333000;
double b = 9.33333333333333;
final double EPSILON = 1.0E-10;
if (equals(a, b, EPSILON))
System.out.println("values are equal");
else
System.out.println("values are not equal");
}
}
The code above generates the following result.
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