lambert_wm1() [2/4]

template<typename T , require_arithmetic_t< T > * = nullptr>

double stan::math::lambert_wm1 ( const T &  x )

inline

Compute the Lambert W function on W-1 branch for a value x.

Template Parameters

T	type of value

Parameters

x

value

Returns

value of the W-1 branch of the Lambert W function for x

Exceptions

std::domain_error

if x is less than or equal to -e^(-1) or greater than or equal to 0

Definition at line 35 of file lambert_w.hpp.