Return inverse hyperbolic tangent.
Source position: math.pp line 519
function ArTanH( |
x: Float |
):Float; |
artanh returns the inverse hyperbolic tangent of its argument x, where x should lie in the interval [-1,1], borders included. The arctanh variant of this function is supplied for Delphi compatibility.
In case x is not in the interval [-1,1], an EInvalidArgument exception is raised.
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Return inverse hyperbolic cosine. |
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Return inverse cosine. |
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Return inverse sine. |
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Return inverse hyperbolic tangent. |
Program Example5; { Program to demonstrate the artanh function. } Uses math; begin Writeln(artanh(0)); Writeln(artanh(0.5)); end.