ESBArCosh Function |
Unit
QESBPCSMath
Declaration
Function ESBArCosh(const X: Extended): Extended;
Description
Only Positive solutions are returned. Be aware that -X is also a valid result.
Parameters |
X | Value to process. |
Category
Arithmetic Routines for FloatsImplementation
function ESBArCosh (const X: Extended): Extended; begin if X < 1 then raise EMathError.Create (rsNotDefinedForValue); Result := Ln (X + Sqrt (Sqr (X) - 1)); End; |
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