acosh() [6/10]

template<typename T , require_complex_bt< std::is_arithmetic, T > * = nullptr>

auto stan::math::acosh ( T &&  x )

inline

Return the inverse hyperbolic cosine of the specified value.

Return the elementwise application of acosh() to specified argument container.

Returns nan for nan argument.

Parameters

[in]

x

complex<Arithmetic> Argument.

Returns

Inverse hyperbolic cosine of the argument.

Exceptions

std::domain_error

If argument is less than 1.

The return type promotes the underlying scalar argument type to double if it is an integer, and otherwise is the argument type.

Template Parameters

T	type of container

Parameters

x

container

Returns

Elementwise acosh of members of container.

Definition at line 49 of file acosh.hpp.