SheafSystem  0.0.0.0
at2_e2.impl.h
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1 
2 //
3 // Copyright (c) 2014 Limit Point Systems, Inc.
4 //
5 // Licensed under the Apache License, Version 2.0 (the "License");
6 // you may not use this file except in compliance with the License.
7 // You may obtain a copy of the License at
8 //
9 // http://www.apache.org/licenses/LICENSE-2.0
10 //
11 // Unless required by applicable law or agreed to in writing, software
12 // distributed under the License is distributed on an "AS IS" BASIS,
13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 // See the License for the specific language governing permissions and
15 // limitations under the License.
16 //
17 
20 
21 #ifndef AT2_E2_IMPL_H
22 #define AT2_E2_IMPL_H
23 
24 #ifndef SHEAF_DLL_SPEC_H
25 #include "SheafSystem/sheaf_dll_spec.h"
26 #endif
27 
28 #ifndef AT2_E2_H
29 #include "SheafSystem/at2_e2.h"
30 #endif
31 
32 namespace fiber_bundle
33 {
34 
35 //==============================================================================
36 // CLASS AT2_E2_ROW_DOFS_TYPE
37 //==============================================================================
38 
39 template <typename T>
40 const std::string&
43 {
44  // Preconditions:
45 
46  // Body:
47 
48  static const std::string result("at2_e2_row_dofs_type");
49 
50  // Postconditions:
51 
52  ensure(!result.empty());
53 
54  // Exit:
55 
56  return result;
57 }
58 
59 template <typename T>
60 int
62 d()
63 {
64  // Preconditions:
65 
66  // Body:
67 
68  int result = 1;
69 
70  // Postconditions:
71 
72  ensure(result == 1);
73 
74  // Exit:
75 
76  return result;
77 }
78 
79 template <typename T>
80 T&
82 operator[] (int xindex)
83 {
84  // Preconditions:
85 
86  require(xindex>=0 && xindex<d());
87 
88  // Body:
89 
90  T& result = components[xindex];
91 
92  // Postconditions:
93 
94  // Exit:
95 
96  return result;
97 }
98 
99 template <typename T>
100 const T&
102 operator[] (int xindex) const
103 {
104  // Preconditions:
105 
106  require(xindex>=0 && xindex<d());
107 
108  // Body:
109 
110  const T& result = components[xindex];
111 
112  // Postconditions:
113 
114  // Exit:
115 
116  return result;
117 }
118 
119 template <typename T>
122 {
123  // Preconditions:
124 
125  // Body:
126 
127  // Postconditions:
128 
129  // Exit:
130 
131  return reinterpret_cast<matrix_type&>(*this);
132 }
133 
134 template <typename T>
136 operator const typename at2_e2_row_dofs_type<T>::matrix_type& () const
137 {
138  // Preconditions:
139 
140  // Body:
141 
142  at2_e2_row_dofs_type<T>& lthis = const_cast<at2_e2_row_dofs_type<T>&>(*this);
143  const matrix_type& result = reinterpret_cast<matrix_type&>(lthis);
144 
145  // Postconditions:
146 
147  // Exit:
148 
149  return result;
150 }
151 
152 template <typename T>
155 {
156  // Preconditions:
157 
158  // Body:
159 
161 
162  // Postconditions:
163 
164  ensure(result != 0);
165 
166  // Exit:
167 
168  return result;
169 }
170 
171 //==============================================================================
172 // NON-MEMBER FUNCTIONS
173 //==============================================================================
174 
175 #ifndef DOXYGEN_SKIP_IMPLEMENTATIONS
176 template <typename T>
177 std::ostream& operator<<(std::ostream& xos, const at2_e2_row_dofs_type<T>& xrdt)
178 {
179  int ld = xrdt.d();
180  for(int i=0; i<ld; ++i)
181  {
182  xos << " " << xrdt.components[i];
183  }
184 
185  return xos;
186 }
187 #endif // ifndef DOXYGEN_SKIP_IMPLEMENTATIONS
188 
189 } // namespace fiber_bundle
190 
191 #endif // ifndef AT2_E2_IMPL_H
static const std::string & static_class_name()
The name of this class.
Definition: at2_e2.impl.h:42
static int d()
The dimension of the row dof components.
Definition: at2_e2.impl.h:62
at2_e2_row_dofs_type< T > * clone() const
Creates a new instance of the same type as this.
Definition: at2_e2.impl.h:154
T & operator[](int xindex)
Value of xindex-th component (row dof) (non const version).
Definition: at2_e2.impl.h:82
Antisymmetric matrix with 2 rows and 2 columns.
Row dofs type for class at2_e2.
Definition: at2_e2.h:51
Namespace for the fiber_bundles component of the sheaf system.