System.BuiltInLnXPlus1
Delphi
function BuiltInLnXPlus1(X: Real): Extended; overload;
function BuiltInLnXPlus1(X: Real): Double; overload;
function BuiltInLnXPlus1(X: Real): Single; overload;
Properties
| Type | Visibility | Source | Unit | Parent |
|---|---|---|---|---|
| function | public | System.pas | System | System |
Contents
Description
Calculates the natural logarithm of (X+1).
BuiltInLnXPlus1 returns the the natural logarithm of (X+1).
X is a real-type expression. Use BuiltInLnXPlus1 when X is a value near 0.
Compiler Support
The following table shows which Delphi compilers support this function:
| DCC32 | DCC64 | DCCOSX | DCCAARM | DCCIOSARM | DCCIOSARM64 | DCCIOS32 |
|---|---|---|---|---|---|---|
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