C# Double IsInfinity

Description

Double IsInfinity returns a value indicating whether the specified number evaluates to negative or positive infinity

Syntax

Double.IsInfinity has the following syntax.

public static bool IsInfinity(
  double d
)

Parameters

Double.IsInfinity has the following parameters.

• d - A double-precision floating-point number.

Returns

Double.IsInfinity method returns true if d evaluates to PositiveInfinity or NegativeInfinity; otherwise, false.

Example

The following code example illustrates the use of IsInfinity:

using System;/* www . j  a  va 2 s .  co  m*/

public class MainClass{
  public static void Main(String[] argv){  
    // This will return "true".
    Console.WriteLine("IsInfinity(3.0 / 0) == {0}.", 
                       Double.IsInfinity(3.0 / 0) ? "true" : "false");
  }
}

The code above generates the following result.