geo::vect::extra Namespace Reference

Convenience utilities not directly related to vectors. More...

Functions
template<typename T >
T	roundValue01 (T value, T tol)
	Returns value, rounded to 0, -1 or +1 if closer than tol. More...

Detailed Description

Convenience utilities not directly related to vectors.

Function Documentation

template<typename T >

T geo::vect::extra::roundValue01	(	T	value,
		T	tol
	)

Returns value, rounded to 0, -1 or +1 if closer than tol.

Definition at line 404 of file geo_vectors_utils.h.

References fhicl::detail::atom::value().

Referenced by geo::vect::rounded01().

                                     {
        if (std::abs(value) < tol) return 0.;
        if (std::abs(std::abs(value) - 1.) < tol) return (value > 0.)? 1.: -1.;
        return value;
      } // roundValue01()