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 |
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 |
---|---|---|---|---|---|---|
|
|