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XSharpLoadLibrary Function (RT)

Year Function (RT)

Round Function

Round a number to a specified number of digits.

Namespace: XSharp.RT
Assembly: XSharp.RT (in XSharp.RT.dll) Version: 2.21

Syntax

Copy

 FUNCTION Round(
	nNumber AS USUAL,
	siDecimals AS LONG
) AS USUAL

public static Usual Round(
	Usual nNumber,
	int siDecimals
)

Request Example View Source

Parameters

nNumber: Type: Usual
The number to round.
siDecimals: Type: Long
The number of decimal places to retain. Specifying a 0 or negative value for siDecimals rounds to whole numbers.
A negative siDecimals also indicates the number of digits to the left of the decimal point to round (see the example).

Return Value

Type: Usual

Remarks

Digits below 5 are rounded down. Digits from 5 to 9 are rounded up. The display of the return value does not obey the decimals setting unless SetFixed() is TRUE.
If SetFixed() is FALSE, the display of the return value contains siDecimals decimal digits if siDecimals is greater than 0, and zero decimal digits if siDecimals is less than or equal to 0.

Examples

These examples round values with decimal digits:

Copy

1SetDecimal(2)
2SetFixed(TRUE)
3? Round(10.4, 0)                    // 10
4? Round(10.5, 0)                    // 11
5? Round(10.51, 0)                    // 11
6? Round(10.49999999999999, 2)            // 10.50

These examples use a negative siDecimals argument to round numeric values to whole numbers:

Copy

1? Round(101.99, -1)                    // 100
2? Round(109.99, -1)                    // 110
3? Round(109.99, -2)                    // 100

Reference

Functions, Globals and Defines