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Single.IsPositiveInfinity Method

Returns a value indicating whether the specified number evaluates to positive infinity.

Namespace:  System
Assembly:  mscorlib (in mscorlib.dll)

public static bool IsPositiveInfinity(
	float f
)

Parameters

f
Type: System.Single

A single-precision floating-point number.

Return Value

Type: System.Boolean
true if f evaluates to PositiveInfinity; otherwise, false.

Floating-point operations return PositiveInfinity to signal an overflow condition.

The following code example demonstrates the IsPositiveInfinity method.

// This will return true.
Console.WriteLine("IsPositiveInfinity(4.0F / 0) == {0}.", Single.IsPositiveInfinity(4.0F / 0) ? "true" : "false");

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

XNA Framework

Supported in: 3.0, 2.0, 1.0

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