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Double.IsPositiveInfinity(Double) Method

Definition

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

C#
public static bool IsPositiveInfinity(double d);

Parameters

d
Double

A double-precision floating-point number.

Returns

true if d evaluates to PositiveInfinity; otherwise, false.

Implements

Examples

The following code example illustrates the use of IsPositiveInfinity:

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

Remarks

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

Applies to

Product Versions
.NET Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9
.NET Framework 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 2.0, 2.1
UWP 10.0

See also