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XSharpLoadLibrary Function (RT)

Year Function (RT)

Integer Function

Truncate or floor a number with decimal digits to a whole number.

Namespace: XSharp.RT
Assembly: XSharp.RT (in XSharp.RT.dll) Version: 2.19

Syntax

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 FUNCTION Integer(
	nValue AS USUAL
) AS USUAL

public static Usual Integer(
	Usual nValue
)

Request Example View Source

Parameters

nValue: Type: Usual
The number to truncate or floor.

Return Value

Type: Usual
The whole number to the left of the decimal point. Since both uValue and the return value are data type USUAL, you are not limited to the size of an integer.

Remarks

Integer() converts a numeric value to an integer by taking the floor of the number. Note – this is not the same as truncation except for positive integers — it is not rounding. Integer() is useful in operations where the decimal portion of a number is not needed. Note that a loss of precision on floating numbers might be significant.
For example, you might not know that a number is internally represented as 0.99999999999999999, because, when that number is displayed with QOut() or passed to the Str() function, internal rounding returns a value of 1.0. When a number like that is passed to the Integer() function, however, its decimal portion is truncated and a value of zero is returned.
If this is not what you had intended, you can use Round(nValue, 0) instead of Integer().

Tip
Integer() is the same as the Int() function in CA-Clipper, but INT is a reserved word in X#. Under X#, Int() is a conversion operator. With numbers that are not greater than a short integer, it yields the same results as Integer() and maintains compatibility with CA-Clipper.

Examples

These examples demonstrate the results of various invocations of the Integer() function:

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1? Integer(100.00)        // 100
2? Integer(.5)            // 0
3? Integer(-100.75)        // -100
4? Integer(-1.2)        // -1

Reference

Functions, Globals and Defines