atanh() [9/10]

template<typename VarMat , require_var_matrix_t< VarMat > * = nullptr>

auto stan::math::atanh ( const VarMat &  x )

inline

The inverse hyperbolic tangent function for variables (C99).

Template Parameters

Varmat

a var_value with inner Eigen type

Parameters

x	The variable.

Returns

Inverse hyperbolic tangent of the variable.

Exceptions

std::domain_error

if a < -1 or a > 1

Definition at line 73 of file atanh.hpp.