devxlogo

Use Faster Floating-Point Division

Use Faster Floating-Point Division

If you do a lot of floating-point division operations in VB, you can optimize these operations by multiplying by the reciprocal value. For example, instead of performing this calculation:

 X/Y

Do this:

 X * (1 / Y)

You can see how this works in VB by adding this code to a form in a new project:

 Private Declare Function GetTickCount Lib _	"kernel32" () As LongConst NORMAL As Double = 1453Const RECIPROCAL As Double = 1 / NORMALConst TOTAL_COUNT As Long = 10000000Private Sub Form_Click()	Dim dblRes As Double	Dim lngC As Long	Dim lngStart As Long	On Error GoTo Error_Normal	lngStart = GetTickCount	For lngC = 1 To TOTAL_COUNT		dblRes = Rnd / NORMAL		Next lngC	MsgBox "Normal Time:  " & GetTickCount - lngStart	lngStart = GetTickCount	For lngC = 1 To TOTAL_COUNT		dblRes = Rnd * RECIPROCAL	Next lngC	MsgBox "Reciprocal Time:  " & GetTickCount - lngStartExit SubError_Normal:	MsgBox Err.Number & " - " & Err.DescriptionEnd Sub

I

See also  Monetize TikTok For Your Business
devxblackblue

About Our Editorial Process

At DevX, we’re dedicated to tech entrepreneurship. Our team closely follows industry shifts, new products, AI breakthroughs, technology trends, and funding announcements. Articles undergo thorough editing to ensure accuracy and clarity, reflecting DevX’s style and supporting entrepreneurs in the tech sphere.

See our full editorial policy.

About Our Journalist