Return natural logarithm of 1+X.
Source position: math.pp line 594
function LnXP1( |
x: Float |
):Float; |
Lnxp1 returns the natural logarithm of 1+X. The result is more precise for small values of x. x should be larger than -1.
If $x\leq -1$ then an EInvalidArgument exception will be raised.
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Return (2 to the power p) times x. |
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Return 10-Based logarithm. |
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Return 2-based logarithm. |
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Return N-based logarithm. |
Program Example20; { Program to demonstrate the lnxp1 function. } Uses math; begin writeln(lnxp1(0)); writeln(lnxp1(0.5)); writeln(lnxp1(1)); end.