atanh() [1/11]

template<typename T >

fvar< T > stan::math::atanh ( const fvar< T > &  x )

inline

Return inverse hyperbolic tangent of specified value.

Template Parameters

T	scalar type of forward-mode autodiff variable argument.

Parameters

x

Argument.

Returns

Inverse hyperbolic tangent of argument.

Exceptions

std::domain_error

if x < -1 or x > 1.

Definition at line 26 of file atanh.hpp.