Question

I am sure this is a very simple problem, but I am new to VB.NET, so I am having an issue with it.

I have a Decimal variable, and I need to split it into two separate variables, one containing the integer part, and one containing the fractional part.

For example, for x = 12.34 you would end up with a y = 12 and a z = 0.34.

Is there a nice built-in functions to do this or do I have to try and work it out manually?

Answer 1

You can use Math.Truncate(decimal) and then subtract that from the original. Be aware that that will give you a negative value for both parts if the input is decimal (e.g. -1.5 => -1, -.5)

EDIT: Here’s a version of Eduardo’s code which uses decimal throughout:

Sub SplitDecimal(ByVal number As Decimal, ByRef wholePart As Decimal, _                  ByRef fractionalPart As Decimal)     wholePart = Math.Truncate(number)     fractionalPart = number - wholePart End Sub