◆ validate_unit_vector_index()

void stan::math::validate_unit_vector_index	(	const char *	var_name,
		const char *	expr,
		int	val
	)

inline

Check that unit vector is at least size 2.

Parameters

var_name	Name of unit vector variable
expr	Expression in which variable is declared
val	Size of unit vector

Exceptions

std::invalid_argument if simplex size is less than 2