RAD Studio VCL Reference
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Math.LnXP1 Function

Returns the natural log of (X+1)

Pascal
function LnXP1(const X: Extended): Extended;
C++
Extended LnXP1(const Extended X);

LnXP1 returns the natural logarithm of (X+1). Use LnXP1 when X is a value near 0. 

 

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