coord.h File Reference

Integral and real coordinate types and some basic utilities. More...

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Classes
struct	Geom::D2Traits< T >
struct	Geom::GetAxis< D, T >
	Axis extraction functor. More...
struct	Geom::CoordTraits< C >
	Traits class used with coordinate types. More...
struct	Geom::CoordTraits< IntCoord >
struct	Geom::CoordTraits< Coord >

Namespaces
namespace	Geom
	Various utility functions.

Typedefs
using	Geom::Coord = double
	Floating point type used to store coordinates.
using	Geom::IntCoord = int
	Type used for integral coordinates.

Enumerations
enum	Geom::Dim2 { Geom::X = 0 , Geom::Y = 1 }
	2D axis enumeration (X or Y). More...

Functions
constexpr Dim2	Geom::other_dimension (Dim2 d)
	Get the other (perpendicular) dimension.
constexpr Coord	Geom::infinity ()
	Get a value representing infinity.
bool	Geom::are_near (Coord a, Coord b, double eps=EPSILON)
	Nearness predicate for values.
bool	Geom::rel_error_bound (Coord a, Coord b, double eps=EPSILON)
constexpr Coord	Geom::lerp (Coord t, Coord a, Coord b)
	Numerically stable linear interpolation.

Variables
constexpr Coord	Geom::EPSILON = 1e-6
	Default "acceptably small" value.

Detailed Description

Integral and real coordinate types and some basic utilities.

Definition in file coord.h.