LogN
Return N-based logarithm.
Declaration
Source position: math.pp line 390
function LogN(n: Float; x: Float) : Float;
Description
Logn returns the n-base logarithm of X.
Errors
If x is less than or equal to 0 an 'invalid fpu operation' error will occur.
See also
| Name | Description |
|---|---|
| ldexp | Return (2 to the power p) times x |
| lnxp1 | Return natural logarithm of 1+X |
| log10 | Return 10-Based logarithm. |
| log2 | Return 2-based logarithm |
Example
Program Example23;
{ Program to demonstrate the logn function. }
Uses math;
begin
Writeln(Logn(3,4):8:4);
Writeln(Logn(2,4):8:4);
Writeln(Logn(6,9):8:4);
Writeln(Logn(exp(1),exp(1)):8:4);
Writeln(Logn(0.5,1):8:4);
Writeln(Logn(0.25,3):8:4);
Writeln(Logn(0.125,5):8:4);
end.