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Double.IsInfinity() Method in C#
The Double.IsInfinity() method in C# is used to return a value indicating whether the specified number evaluates to negative or positive infinity.
Syntax
The syntax is as follows −
public static bool IsInfinity (double d);
Above, the value d is a double-precision floating-point number.
Example
Let us now see an example −
using System;
public class Demo {
public static void Main(){
double d = 5.5;
Console.WriteLine("Double Value = "+d);
Console.WriteLine("HashCode of Double Value = "+d.GetHashCode());
TypeCode type = d.GetTypeCode();
Console.WriteLine("TypeCode of Double Value = "+type);
Console.WriteLine("Positive Infinity? = "+Double.IsInfinity(d));
}
}Output
This will produce the following output −
Double Value = 5.5 HashCode of Double Value = 1075183616 TypeCode of Double Value = Double Positive Infinity? = False
Example
Let us now see another example −
using System;
public class Demo {
public static void Main(){
double d = 1.0/0.0;
Console.WriteLine("Double Value = "+d);
Console.WriteLine("HashCode of Double Value = "+d.GetHashCode());
TypeCode type = d.GetTypeCode();
Console.WriteLine("TypeCode of Double Value = "+type);
Console.WriteLine("Positive Infinity? = "+Double.IsInfinity(d));
}
}Output
This will produce the following output −
Double Value = ∞ HashCode of Double Value = 2146435072 TypeCode of Double Value = Double Positive Infinity? = True
Updated on: 03-Dec-2019
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