DOLFIN
DOLFIN C++ interface
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GeometryPredicates.h
1// Copyright (C) 2016-2017 Anders Logg, August Johansson and Benjamin Kehlet
2//
3// This file is part of DOLFIN.
4//
5// DOLFIN is free software: you can redistribute it and/or modify
6// it under the terms of the GNU Lesser General Public License as published by
7// the Free Software Foundation, either version 3 of the License, or
8// (at your option) any later version.
9//
10// DOLFIN is distributed in the hope that it will be useful,
11// but WITHOUT ANY WARRANTY; without even the implied warranty of
12// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13// GNU Lesser General Public License for more details.
14//
15// You should have received a copy of the GNU Lesser General Public License
16// along with DOLFIN. If not, see <http://www.gnu.org/licenses/>.
17//
18// First added: 2016-11-21
19// Last changed: 2017-12-12
20
21#ifndef __GEOMETRY_PREDICATES_H
22#define __GEOMETRY_PREDICATES_H
23
24#include <vector>
25#include <dolfin/log/LogStream.h>
26#include "Point.h"
27
28namespace dolfin
29{
30
33
35 {
36 public:
37
39 static bool is_degenerate(const std::vector<Point>& simplex,
40 std::size_t tdim,
41 std::size_t gdim);
42
44 static bool is_finite(const std::vector<Point>& simplex);
45
47 static bool is_finite(const std::vector<double>& simplex);
48
50 static bool convex_hull_is_degenerate(const std::vector<Point>& p,
51 std::size_t gdim);
52
53 private:
54
55 // Implementation of is_degenerate predicates
56 static bool _is_degenerate_tdim_1(const std::vector<Point>& simplex);
57
58 static bool _is_degenerate_tdim_2_gdim_2(const std::vector<Point>& simplex);
59
60 static bool _is_degenerate_tdim_2_gdim_3(const std::vector<Point>& simplex);
61
62 static bool _is_degenerate_tdim_3_gdim_3(const std::vector<Point>& simplex);
63 };
64
65}
66
67#endif
Definition GeometryPredicates.h:35
static bool is_finite(const std::vector< Point > &simplex)
Check whether simplex is finite (not Inf or NaN)
Definition GeometryPredicates.cpp:120
static bool is_degenerate(const std::vector< Point > &simplex, std::size_t tdim, std::size_t gdim)
Check whether a single simplex is degenerate.
Definition GeometryPredicates.cpp:29
static bool convex_hull_is_degenerate(const std::vector< Point > &p, std::size_t gdim)
Check whether the convex hull is degenerate.
Definition GeometryPredicates.cpp:144
Definition adapt.h:30