forward.h File Reference

Provides forward declarations of Regina's triangulation-related classes. More...

Classes
class	regina::BoundaryComponent< dim >
	A component of the boundary of a dim-manifold triangulation. More...
class	regina::Component< dim >
	A connected component of a dim-manifold triangulation. More...
class	regina::Example< dim >
	This class offers static routines for constructing a variety of sample dim-dimensional triangulations. More...
class	regina::Face< dim, subdim >
	Represents a subdim-face in the skeleton of a dim-dimensional triangulation. More...
class	regina::FaceEmbedding< dim, subdim >
	Details how a subdim-face of a dim-dimensional triangulation appears within each top-dimensional simplex. More...
class	regina::FacetPairing< dim >
	Represents the dual graph of a dim-manifold triangulation; that is, the pairwise matching of facets of dim-dimensional simplices. More...
class	regina::Isomorphism< dim >
	Represents a combinatorial isomorphism from one dim-manifold triangulation into another. More...
class	regina::Triangulation< dim >
	A dim-dimensional triangulation, built by gluing together dim-dimensional simplices along their (dim-1)-dimensional facets. More...

Namespaces
	regina
	Contains the entire Regina calculation engine.

Typedefs
template<int dim>
using	regina::Vertex = Face< dim, 0 >
	Refers to a vertex of a dim-dimensional triangulation. More...
template<int dim>
using	regina::Edge = Face< dim, 1 >
	Refers to an edge of a dim-dimensional triangulation. More...
template<int dim>
using	regina::Triangle = Face< dim, 2 >
	Refers to a triangular face of a dim-dimensional triangulation. More...
template<int dim>
using	regina::Tetrahedron = Face< dim, 3 >
	Refers to a tetrahedral face of a dim-dimensional triangulation. More...
template<int dim>
using	regina::Pentachoron = Face< dim, 4 >
	Refers to a pentachoron face of a dim-dimensional triangulation. More...
template<int dim>
using	regina::Simplex = Face< dim, dim >
	Refers to a top-dimensional simplex in a dim-dimensional triangulation. More...
template<int dim>
using	regina::VertexEmbedding = FaceEmbedding< dim, 0 >
	Details how a vertex of a dim-dimensional triangulation appears within each top-dimensional simplex. More...
template<int dim>
using	regina::EdgeEmbedding = FaceEmbedding< dim, 1 >
	Details how a edge of a dim-dimensional triangulation appears within each top-dimensional simplex. More...
template<int dim>
using	regina::TriangleEmbedding = FaceEmbedding< dim, 2 >
	Details how a triangular face of a dim-dimensional triangulation appears within each top-dimensional simplex. More...
template<int dim>
using	regina::TetrahedronEmbedding = FaceEmbedding< dim, 3 >
	Details how a tetrahedral face of a dim-dimensional triangulation appears within each top-dimensional simplex. More...
template<int dim>
using	regina::PentachoronEmbedding = FaceEmbedding< dim, 4 >
	Details how a pentachoron face of a dim-dimensional triangulation appears within each top-dimensional simplex. More...

Detailed Description

Provides forward declarations of Regina's triangulation-related classes.

It is better to include this file rather than manually declare classes that you plan to use, for several reasons:

• this header declares all template specialisations, so the compiler knows not to use generic implementations when these are not approrpiate;
• this header declares templated type alias (e.g., Simplex<dim>, Vertex<dim>, etc.) in one central location, which is needed for compilers that will not accept multiple declarations of the same type alias (as seen for example in some versions of gcc).