From: David Wells Date: Sat, 21 Jan 2023 23:15:59 +0000 (-0500) Subject: ReferenceCell: use more switch statements. X-Git-Tag: v9.5.0-rc1~612^2~1 X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e11c4e81d11a2f1b48b60613469a3dbe6d748172;p=dealii.git ReferenceCell: use more switch statements. --- diff --git a/source/grid/reference_cell.cc b/source/grid/reference_cell.cc index 83e75fffdc..8d0987d5a6 100644 --- a/source/grid/reference_cell.cc +++ b/source/grid/reference_cell.cc @@ -80,26 +80,29 @@ namespace std::string ReferenceCell::to_string() const { - if (*this == ReferenceCells::Vertex) - return "Vertex"; - else if (*this == ReferenceCells::Line) - return "Line"; - else if (*this == ReferenceCells::Triangle) - return "Tri"; - else if (*this == ReferenceCells::Quadrilateral) - return "Quad"; - else if (*this == ReferenceCells::Tetrahedron) - return "Tet"; - else if (*this == ReferenceCells::Pyramid) - return "Pyramid"; - else if (*this == ReferenceCells::Wedge) - return "Wedge"; - else if (*this == ReferenceCells::Hexahedron) - return "Hex"; - else if (*this == ReferenceCells::Invalid) - return "Invalid"; - - Assert(false, ExcNotImplemented()); + switch (this->kind) + { + case ReferenceCells::Vertex: + return "Vertex"; + case ReferenceCells::Line: + return "Line"; + case ReferenceCells::Triangle: + return "Tri"; + case ReferenceCells::Quadrilateral: + return "Quad"; + case ReferenceCells::Tetrahedron: + return "Tet"; + case ReferenceCells::Pyramid: + return "Pyramid"; + case ReferenceCells::Wedge: + return "Wedge"; + case ReferenceCells::Hexahedron: + return "Hex"; + case ReferenceCells::Invalid: + return "Invalid"; + default: + Assert(false, ExcNotImplemented()); + } return "Invalid"; } @@ -244,42 +247,39 @@ ReferenceCell::exodusii_vertex_to_deal_vertex(const unsigned int vertex_n) const { AssertIndexRange(vertex_n, n_vertices()); - if (*this == ReferenceCells::Line) - { - return vertex_n; - } - else if (*this == ReferenceCells::Triangle) - { - return vertex_n; - } - else if (*this == ReferenceCells::Quadrilateral) + switch (this->kind) { - constexpr std::array exodus_to_deal{{0, 1, 3, 2}}; - return exodus_to_deal[vertex_n]; - } - else if (*this == ReferenceCells::Tetrahedron) - { - return vertex_n; - } - else if (*this == ReferenceCells::Hexahedron) - { - constexpr std::array exodus_to_deal{ - {0, 1, 3, 2, 4, 5, 7, 6}}; - return exodus_to_deal[vertex_n]; - } - else if (*this == ReferenceCells::Wedge) - { - constexpr std::array exodus_to_deal{{2, 1, 0, 5, 4, 3}}; - return exodus_to_deal[vertex_n]; - } - else if (*this == ReferenceCells::Pyramid) - { - constexpr std::array exodus_to_deal{{0, 1, 3, 2, 4}}; - return exodus_to_deal[vertex_n]; + case ReferenceCells::Line: + case ReferenceCells::Triangle: + return vertex_n; + case ReferenceCells::Quadrilateral: + { + constexpr std::array exodus_to_deal{{0, 1, 3, 2}}; + return exodus_to_deal[vertex_n]; + } + case ReferenceCells::Tetrahedron: + return vertex_n; + case ReferenceCells::Hexahedron: + { + constexpr std::array exodus_to_deal{ + {0, 1, 3, 2, 4, 5, 7, 6}}; + return exodus_to_deal[vertex_n]; + } + case ReferenceCells::Wedge: + { + constexpr std::array exodus_to_deal{ + {2, 1, 0, 5, 4, 3}}; + return exodus_to_deal[vertex_n]; + } + case ReferenceCells::Pyramid: + { + constexpr std::array exodus_to_deal{{0, 1, 3, 2, 4}}; + return exodus_to_deal[vertex_n]; + } + default: + Assert(false, ExcNotImplemented()); } - Assert(false, ExcNotImplemented()); - return numbers::invalid_unsigned_int; } @@ -290,46 +290,43 @@ ReferenceCell::exodusii_face_to_deal_face(const unsigned int face_n) const { AssertIndexRange(face_n, n_faces()); - if (*this == ReferenceCells::Vertex) - { - return 0; - } - if (*this == ReferenceCells::Line) - { - return face_n; - } - else if (*this == ReferenceCells::Triangle) - { - return face_n; - } - else if (*this == ReferenceCells::Quadrilateral) + switch (this->kind) { - constexpr std::array exodus_to_deal{{2, 1, 3, 0}}; - return exodus_to_deal[face_n]; - } - else if (*this == ReferenceCells::Tetrahedron) - { - constexpr std::array exodus_to_deal{{1, 3, 2, 0}}; - return exodus_to_deal[face_n]; - } - else if (*this == ReferenceCells::Hexahedron) - { - constexpr std::array exodus_to_deal{{2, 1, 3, 0, 4, 5}}; - return exodus_to_deal[face_n]; - } - else if (*this == ReferenceCells::Wedge) - { - constexpr std::array exodus_to_deal{{3, 4, 2, 0, 1}}; - return exodus_to_deal[face_n]; - } - else if (*this == ReferenceCells::Pyramid) - { - constexpr std::array exodus_to_deal{{3, 2, 4, 1, 0}}; - return exodus_to_deal[face_n]; + case ReferenceCells::Vertex: + return 0; + case ReferenceCells::Line: + case ReferenceCells::Triangle: + return face_n; + case ReferenceCells::Quadrilateral: + { + constexpr std::array exodus_to_deal{{2, 1, 3, 0}}; + return exodus_to_deal[face_n]; + } + case ReferenceCells::Tetrahedron: + { + constexpr std::array exodus_to_deal{{1, 3, 2, 0}}; + return exodus_to_deal[face_n]; + } + case ReferenceCells::Hexahedron: + { + constexpr std::array exodus_to_deal{ + {2, 1, 3, 0, 4, 5}}; + return exodus_to_deal[face_n]; + } + case ReferenceCells::Wedge: + { + constexpr std::array exodus_to_deal{{3, 4, 2, 0, 1}}; + return exodus_to_deal[face_n]; + } + case ReferenceCells::Pyramid: + { + constexpr std::array exodus_to_deal{{3, 2, 4, 1, 0}}; + return exodus_to_deal[face_n]; + } + default: + Assert(false, ExcNotImplemented()); } - Assert(false, ExcNotImplemented()); - return numbers::invalid_unsigned_int; } @@ -374,26 +371,29 @@ ReferenceCell::unv_vertex_to_deal_vertex(const unsigned int vertex_n) const unsigned int ReferenceCell::vtk_linear_type() const { - if (*this == ReferenceCells::Vertex) - return VTKCellType::VTK_VERTEX; - else if (*this == ReferenceCells::Line) - return VTKCellType::VTK_LINE; - else if (*this == ReferenceCells::Triangle) - return VTKCellType::VTK_TRIANGLE; - else if (*this == ReferenceCells::Quadrilateral) - return VTKCellType::VTK_QUAD; - else if (*this == ReferenceCells::Tetrahedron) - return VTKCellType::VTK_TETRA; - else if (*this == ReferenceCells::Pyramid) - return VTKCellType::VTK_PYRAMID; - else if (*this == ReferenceCells::Wedge) - return VTKCellType::VTK_WEDGE; - else if (*this == ReferenceCells::Hexahedron) - return VTKCellType::VTK_HEXAHEDRON; - else if (*this == ReferenceCells::Invalid) - return VTKCellType::VTK_INVALID; - - Assert(false, ExcNotImplemented()); + switch (this->kind) + { + case ReferenceCells::Vertex: + return VTKCellType::VTK_VERTEX; + case ReferenceCells::Line: + return VTKCellType::VTK_LINE; + case ReferenceCells::Triangle: + return VTKCellType::VTK_TRIANGLE; + case ReferenceCells::Quadrilateral: + return VTKCellType::VTK_QUAD; + case ReferenceCells::Tetrahedron: + return VTKCellType::VTK_TETRA; + case ReferenceCells::Pyramid: + return VTKCellType::VTK_PYRAMID; + case ReferenceCells::Wedge: + return VTKCellType::VTK_WEDGE; + case ReferenceCells::Hexahedron: + return VTKCellType::VTK_HEXAHEDRON; + case ReferenceCells::Invalid: + return VTKCellType::VTK_INVALID; + default: + Assert(false, ExcNotImplemented()); + } return VTKCellType::VTK_INVALID; } @@ -403,26 +403,29 @@ ReferenceCell::vtk_linear_type() const unsigned int ReferenceCell::vtk_quadratic_type() const { - if (*this == ReferenceCells::Vertex) - return VTKCellType::VTK_VERTEX; - else if (*this == ReferenceCells::Line) - return VTKCellType::VTK_QUADRATIC_EDGE; - else if (*this == ReferenceCells::Triangle) - return VTKCellType::VTK_QUADRATIC_TRIANGLE; - else if (*this == ReferenceCells::Quadrilateral) - return VTKCellType::VTK_QUADRATIC_QUAD; - else if (*this == ReferenceCells::Tetrahedron) - return VTKCellType::VTK_QUADRATIC_TETRA; - else if (*this == ReferenceCells::Pyramid) - return VTKCellType::VTK_QUADRATIC_PYRAMID; - else if (*this == ReferenceCells::Wedge) - return VTKCellType::VTK_QUADRATIC_WEDGE; - else if (*this == ReferenceCells::Hexahedron) - return VTKCellType::VTK_QUADRATIC_HEXAHEDRON; - else if (*this == ReferenceCells::Invalid) - return VTKCellType::VTK_INVALID; - - Assert(false, ExcNotImplemented()); + switch (this->kind) + { + case ReferenceCells::Vertex: + return VTKCellType::VTK_VERTEX; + case ReferenceCells::Line: + return VTKCellType::VTK_QUADRATIC_EDGE; + case ReferenceCells::Triangle: + return VTKCellType::VTK_QUADRATIC_TRIANGLE; + case ReferenceCells::Quadrilateral: + return VTKCellType::VTK_QUADRATIC_QUAD; + case ReferenceCells::Tetrahedron: + return VTKCellType::VTK_QUADRATIC_TETRA; + case ReferenceCells::Pyramid: + return VTKCellType::VTK_QUADRATIC_PYRAMID; + case ReferenceCells::Wedge: + return VTKCellType::VTK_QUADRATIC_WEDGE; + case ReferenceCells::Hexahedron: + return VTKCellType::VTK_QUADRATIC_HEXAHEDRON; + case ReferenceCells::Invalid: + return VTKCellType::VTK_INVALID; + default: + Assert(false, ExcNotImplemented()); + } return VTKCellType::VTK_INVALID; } @@ -432,26 +435,29 @@ ReferenceCell::vtk_quadratic_type() const unsigned int ReferenceCell::vtk_lagrange_type() const { - if (*this == ReferenceCells::Vertex) - return VTKCellType::VTK_VERTEX; - else if (*this == ReferenceCells::Line) - return VTKCellType::VTK_LAGRANGE_CURVE; - else if (*this == ReferenceCells::Triangle) - return VTKCellType::VTK_LAGRANGE_TRIANGLE; - else if (*this == ReferenceCells::Quadrilateral) - return VTKCellType::VTK_LAGRANGE_QUADRILATERAL; - else if (*this == ReferenceCells::Tetrahedron) - return VTKCellType::VTK_LAGRANGE_TETRAHEDRON; - else if (*this == ReferenceCells::Pyramid) - return VTKCellType::VTK_LAGRANGE_PYRAMID; - else if (*this == ReferenceCells::Wedge) - return VTKCellType::VTK_LAGRANGE_WEDGE; - else if (*this == ReferenceCells::Hexahedron) - return VTKCellType::VTK_LAGRANGE_HEXAHEDRON; - else if (*this == ReferenceCells::Invalid) - return VTKCellType::VTK_INVALID; - - Assert(false, ExcNotImplemented()); + switch (this->kind) + { + case ReferenceCells::Vertex: + return VTKCellType::VTK_VERTEX; + case ReferenceCells::Line: + return VTKCellType::VTK_LAGRANGE_CURVE; + case ReferenceCells::Triangle: + return VTKCellType::VTK_LAGRANGE_TRIANGLE; + case ReferenceCells::Quadrilateral: + return VTKCellType::VTK_LAGRANGE_QUADRILATERAL; + case ReferenceCells::Tetrahedron: + return VTKCellType::VTK_LAGRANGE_TETRAHEDRON; + case ReferenceCells::Pyramid: + return VTKCellType::VTK_LAGRANGE_PYRAMID; + case ReferenceCells::Wedge: + return VTKCellType::VTK_LAGRANGE_WEDGE; + case ReferenceCells::Hexahedron: + return VTKCellType::VTK_LAGRANGE_HEXAHEDRON; + case ReferenceCells::Invalid: + return VTKCellType::VTK_INVALID; + default: + Assert(false, ExcNotImplemented()); + } return VTKCellType::VTK_INVALID; } @@ -666,42 +672,45 @@ ReferenceCell::vtk_vertex_to_deal_vertex(const unsigned int vertex_index) const // // For the ordering, see the VTK manual (for example at // http://www.princeton.edu/~efeibush/viscourse/vtk.pdf, page 9). - if (*this == ReferenceCells::Vertex) - return vertex_index; - else if (*this == ReferenceCells::Line) - return vertex_index; - else if (*this == ReferenceCells::Triangle) - return vertex_index; - else if (*this == ReferenceCells::Quadrilateral) - { - static constexpr std::array index_translation_table = { - {0, 1, 3, 2}}; - return index_translation_table[vertex_index]; - } - else if (*this == ReferenceCells::Tetrahedron) - return vertex_index; - else if (*this == ReferenceCells::Pyramid) - { - static constexpr std::array index_translation_table = { - {0, 1, 3, 2, 4}}; - return index_translation_table[vertex_index]; - } - else if (*this == ReferenceCells::Wedge) - return vertex_index; - else if (*this == ReferenceCells::Hexahedron) - { - static constexpr std::array index_translation_table = { - {0, 1, 3, 2, 4, 5, 7, 6}}; - return index_translation_table[vertex_index]; - } - else if (*this == ReferenceCells::Invalid) - { - Assert(false, ExcNotImplemented()); - return numbers::invalid_unsigned_int; + switch (this->kind) + { + case ReferenceCells::Vertex: + return vertex_index; + case ReferenceCells::Line: + return vertex_index; + case ReferenceCells::Triangle: + return vertex_index; + case ReferenceCells::Quadrilateral: + { + static constexpr std::array index_translation_table = + {{0, 1, 3, 2}}; + return index_translation_table[vertex_index]; + } + case ReferenceCells::Tetrahedron: + return vertex_index; + case ReferenceCells::Pyramid: + { + static constexpr std::array index_translation_table = + {{0, 1, 3, 2, 4}}; + return index_translation_table[vertex_index]; + } + case ReferenceCells::Wedge: + return vertex_index; + case ReferenceCells::Hexahedron: + { + static constexpr std::array index_translation_table = + {{0, 1, 3, 2, 4, 5, 7, 6}}; + return index_translation_table[vertex_index]; + } + case ReferenceCells::Invalid: + { + Assert(false, ExcNotImplemented()); + return numbers::invalid_unsigned_int; + } + default: + Assert(false, ExcNotImplemented()); } - Assert(false, ExcNotImplemented()); - return numbers::invalid_unsigned_int; } @@ -763,30 +772,29 @@ ReferenceCell::gmsh_element_type() const 15 Point (1 node). */ - if (*this == ReferenceCells::Vertex) - return 15; - else if (*this == ReferenceCells::Line) - return 1; - else if (*this == ReferenceCells::Triangle) - return 2; - else if (*this == ReferenceCells::Quadrilateral) - return 3; - else if (*this == ReferenceCells::Tetrahedron) - return 4; - else if (*this == ReferenceCells::Pyramid) - return 7; - else if (*this == ReferenceCells::Wedge) - return 6; - else if (*this == ReferenceCells::Hexahedron) - return 5; - else if (*this == ReferenceCells::Invalid) - { - Assert(false, ExcNotImplemented()); - return numbers::invalid_unsigned_int; + switch (this->kind) + { + case ReferenceCells::Vertex: + return 15; + case ReferenceCells::Line: + return 1; + case ReferenceCells::Triangle: + return 2; + case ReferenceCells::Quadrilateral: + return 3; + case ReferenceCells::Tetrahedron: + return 4; + case ReferenceCells::Pyramid: + return 7; + case ReferenceCells::Wedge: + return 6; + case ReferenceCells::Hexahedron: + return 5; + case ReferenceCells::Invalid: + default: + Assert(false, ExcNotImplemented()); } - Assert(false, ExcNotImplemented()); - return numbers::invalid_unsigned_int; }