33 lines
958 B
Plaintext
33 lines
958 B
Plaintext
' FB 1.05.0
|
|
|
|
' Note that 'base' is a keyword in FB, so we use 'base_' instead as a parameter
|
|
|
|
Function Pow Overload (base_ As Double, exponent As Integer) As Double
|
|
If exponent = 0.0 Then Return 1.0
|
|
If exponent = 1.0 Then Return base_
|
|
If exponent < 0.0 Then Return 1.0 / Pow(base_, -exponent)
|
|
Dim power As Double = base_
|
|
For i As Integer = 2 To exponent
|
|
power *= base_
|
|
Next
|
|
Return power
|
|
End Function
|
|
|
|
Function Pow Overload(base_ As Integer, exponent As Integer) As Double
|
|
Return Pow(CDbl(base_), exponent)
|
|
End Function
|
|
|
|
' check results of these functions using FB's built in '^' operator
|
|
Print "Pow(2, 2) = "; Pow(2, 2)
|
|
Print "Pow(2.5, 2) = "; Pow(2.5, 2)
|
|
Print "Pow(2, -3) = "; Pow(2, -3)
|
|
Print "Pow(1.78, 3) = "; Pow(1.78, 3)
|
|
Print
|
|
Print "2 ^ 2 = "; 2 ^ 2
|
|
Print "2.5 ^ 2 = "; 2.5 ^ 2
|
|
Print "2 ^ -3 = "; 2 ^ -3
|
|
Print "1.78 ^ 3 = "; 1.78 ^ 3
|
|
Print
|
|
Print "Press any key to quit"
|
|
Sleep
|