Platforms to show: All Mac Windows Linux Cross-Platform
Required plugins for this example: MBS Util Plugin
You find this example project in your Plugins Download as a Xojo project file within the examples folder: /Util/Math functions Demo
This example is the version from Sun, 17th Mar 2012.
Project "Math functions Demo.xojo_binary_project"
FileTypes
Filetype text
End FileTypes
MenuBar Menu
MenuItem UntitledMenu3 = ""
MenuItem UntitledMenu2 = "File"
MenuItem FileQuit = "Quit"
MenuItem UntitledMenu0 = "Edit"
MenuItem EditUndo = "Undo"
MenuItem UntitledMenu1 = "-"
MenuItem EditCut = "Cut"
MenuItem EditCopy = "Copy"
MenuItem EditPaste = "Paste"
MenuItem EditClear = "Clear"
End MenuBar
Class App Inherits Application
EventHandler Sub Open()
TestIntOps()
MsgBox "The bitwise integer functions seem to be working fine."
quit
End EventHandler
End Class
Module TestModule
Sub TestIntOps()
// This routine tests the Integer methods
Dim i, j, k as Integer
i = BitValMBS(5) // = 32
assert(i = 32, "BitVal")
i = BitInclMBS(6, 0)
assert(i = 7, "BitIncl #1")
i = BitInclMBS(i, 2)
assert(i = 7, "BitIncl #2")
i = BitExclMBS(6, 0)
assert(i = 6, "BitExcl #1")
i = BitExclMBS(6, 1)
assert(i = 4, "BitExcl #2")
assert(BitIsSetMBS(1, 0), "BitIsSet #1")
assert(not BitIsSetMBS(1, 1), "BitIsSet #2")
i = ArithmeticShiftMBS(2, 1)
assert(i = 4, "ArithmeticShift #1")
i = ArithmeticShiftMBS(1, 31)
assert(i = BitValMBS(31), "ArithmeticShift #2")
i = ArithmeticShiftMBS(4, -1)
assert(i = 2, "ArithmeticShift #3")
i = ArithmeticShiftMBS(4, -3)
assert(i = 0, "ArithmeticShift #4")
i = ArithmeticShiftMBS(-4, -1)
assert(i = -2, "ArithmeticShift #5")
i = LogicalShiftMBS(2, 1)
assert(i = 4, "LogicalShift #1")
i = LogicalShiftMBS(1, 31)
assert(i = BitValMBS(31), "LogicalShift #2")
i = LogicalShiftMBS(4, -1)
assert(i = 2, "LogicalShift #3")
i = LogicalShiftMBS(4, -3)
assert(i = 0, "LogicalShift #4")
i = LogicalShiftMBS(BitValMBS(31), -1)
assert(i = BitValMBS(30), "LogicalShift #5")
i = BitwiseNotMBS(-2)
assert(i = 1, "BitwiseNot")
i = BitwiseRotateMBS(&H0110, 1, 0, 16)
assert(i = &H0220, "BitwiseRotate #1")
i = BitwiseRotateMBS(&H0220, -1, 0, 32)
assert(i = &H0110, "BitwiseRotate #2")
i = BitwiseRotateMBS(&HF0100, -1, 0, 32)
assert(i = &H78080, "BitwiseRotate #3")
i = BitwiseRotateMBS(&HF0100, -1, 0, 16)
assert(i = &HF0080, "BitwiseRotate #4")
i = BitwiseRotateMBS(&HF0100, 1, 0, 17)
assert(i = &HE0201, "BitwiseRotate #5")
i = BitwiseRotateMBS(&HE0201, -1, 1, 16)
assert(i = &HE0101, "BitwiseRotate #6")
i = BitwiseRotateMBS(&HE0103, 1, 1, 16)
assert(i = &HE0205, "BitwiseRotate #7")
End Sub
Sub assert(assertion as Boolean, msg as String)
if not assertion then
MsgBox "The following function does not work as expected:" + chr(13) + msg
quit
end
End Sub
End Module
End Project
The items on this page are in the following plugins: MBS Util Plugin.
