Truncate Method (Double)
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Math.Truncate Method (Double)

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

Calculates the integral part of a specified double-precision floating-point number.

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

public static double Truncate(
	double d
)

Parameters

d
Type: System.Double
A number to truncate.

Return Value

Type: System.Double
The integral part of d; that is, the number that remains after any fractional digits have been discarded, or one of the values listed in the following table.

Truncate rounds d to the nearest integer towards zero.

The following example calls the Truncate(Double) method to truncate both a positive and a negative Double value.

Windows Phone OS

Supported in: 8.1, 8.0

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