unit_vector_constrain() [4/11]

template<typename T_x , require_all_kernel_expressions_and_none_scalar_t< T_x > * = nullptr>

auto stan::math::unit_vector_constrain ( T_x &&  x, double &  lp  )

inline

Return the unit length vector corresponding to the given free vector.

See the Wikipedia page on generating random points on an N-sphere.

Template Parameters

T_x	type of the vector

Parameters

	x	vector of unrestricted variables
[in,out]	lp	log probability to increment

Returns

Unit length vector

Definition at line 46 of file unit_vector_constrain.hpp.