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Single.IsPositiveInfinity() Method in C# with Examples
• Last Updated : 01 May, 2019

In C#, Single.IsPositiveInfinity(Single) is a Single struct method. This method is used to check whether a specified floating-point value evaluates to positive infinity or not. In some floating point operation, it is possible to obtain a result that is positive infinity. For Example: If any positive value is divided by zero, it results in positive infinity.

Syntax: public static bool IsPositiveInfinity (float f);

Parameter:
f: It is a single-precision floating-point number of type System.Single.

Return Type: This function return a Boolean value True, if specified value evaluates to positive infinity, otherwise return False.

Example: To demonstrate the Single.IsPositiveInfinity(Single) Method

 // C# program to illustrate the // Single.IsPositiveInfinity(Single) // Method using System;    class GFG {        // Main method     static public void Main()     {            // Dividing a Positive number by zero         // results in positive infinity.            // Dividing a number directly by 0         // produces an error         // So 0 is stored in a variable first            float zero = 0.0f;         float value = 10.0f;         float result = value / zero;            // Printing result         Console.WriteLine(result);            // Check result using IsPositiveInfinity() Method         Console.WriteLine(Single.IsPositiveInfinity(result));            // Floating point operation that exceeds         // Single.MaxValue is Positive Infinity         result = (1.402823E+38f + ((float)9.985e307));            // Printing result         Console.WriteLine(result);            // Check result using IsPositiveInfinity() Method         Console.WriteLine(Single.IsPositiveInfinity(result));     } }

Output:

Infinity
True
Infinity
True

Note: Floating-point operation return PositiveInfinity to indicate an overflow condition.

Reference:

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