function template
<complex>

std::acosh

template<class T> complex<T> acosh (const complex<T>& x);
Arc hyperbolic cosine of complex
Returns the arc hyperbolic cosine of the complex number x.

This is the complex version of the acosh function (defined in <cmath>).

Parameters

x
Complex value.

Return value

Arc hyperbolic cosine of x.

See also