/[escript]/trunk/ripley/src/Rectangle.h
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Revision 3766 - (hide annotations)
Thu Jan 12 08:17:49 2012 UTC (7 years, 8 months ago) by caltinay
Original Path: branches/ripleygmg_from_3668/ripley/src/Rectangle.h
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Checkpoint. Getting weipa to like ripley again.

1 caltinay 3691
2     /*******************************************************
3     *
4 caltinay 3764 * Copyright (c) 2003-2012 by University of Queensland
5 caltinay 3691 * Earth Systems Science Computational Center (ESSCC)
6     * http://www.uq.edu.au/esscc
7     *
8     * Primary Business: Queensland, Australia
9     * Licensed under the Open Software License version 3.0
10     * http://www.opensource.org/licenses/osl-3.0.php
11     *
12     *******************************************************/
13    
14     #ifndef __RIPLEY_RECTANGLE_H__
15     #define __RIPLEY_RECTANGLE_H__
16    
17     #include <ripley/RipleyDomain.h>
18    
19 caltinay 3756 struct Paso_Connector;
20    
21 caltinay 3691 namespace ripley {
22    
23     /**
24     \brief
25     Rectangle is the 2-dimensional implementation of a RipleyDomain.
26     */
27     class Rectangle: public RipleyDomain
28     {
29     public:
30    
31     /**
32     \brief creates a rectangular mesh with n0 x n1 elements over the
33     rectangle [0,l0] x [0,l1].
34     \param n0,n1 number of elements in each dimension
35     \param l0,l1 length of each side of rectangle
36     \param d0,d1 number of subdivisions in each dimension
37     */
38     RIPLEY_DLL_API
39     Rectangle(int n0, int n1, double l0, double l1, int d0, int d1);
40    
41     /**
42     \brief
43     Destructor.
44     */
45     RIPLEY_DLL_API
46     ~Rectangle();
47    
48     /**
49     \brief
50     returns a description for this domain
51     */
52     RIPLEY_DLL_API
53     virtual std::string getDescription() const;
54    
55     /**
56     \brief equality operator
57     */
58     RIPLEY_DLL_API
59     virtual bool operator==(const escript::AbstractDomain& other) const;
60    
61     /**
62     \brief
63     dumps the mesh to a file with the given name
64     \param filename The name of the output file
65     */
66     RIPLEY_DLL_API
67     void dump(const std::string& filename) const;
68    
69     /**
70     \brief
71     returns the array of reference numbers for a function space type
72     \param fsType The function space type
73     */
74     RIPLEY_DLL_API
75     const int* borrowSampleReferenceIDs(int fsType) const;
76    
77     /**
78     \brief
79     returns true if this rank owns the sample id.
80     */
81     RIPLEY_DLL_API
82     virtual bool ownSample(int fs_code, index_t id) const;
83    
84     /**
85     \brief
86 caltinay 3722 copies the surface normals at data points into out. The actual function
87     space to be considered is defined by out. out has to be defined on this
88     domain.
89     */
90     RIPLEY_DLL_API
91     virtual void setToNormal(escript::Data& out) const;
92    
93     /**
94     \brief
95 caltinay 3760 copies the size of samples into out. The actual function space to be
96     considered is defined by out. out has to be defined on this domain.
97     */
98     RIPLEY_DLL_API
99     virtual void setToSize(escript::Data& out) const;
100    
101     /**
102     \brief
103 caltinay 3691 returns the number of data points summed across all MPI processes
104     */
105     RIPLEY_DLL_API
106     virtual int getNumDataPointsGlobal() const { return (m_gNE0+1)*(m_gNE1+1); }
107    
108     /**
109     \brief
110     writes information about the mesh to standard output
111     \param full whether to print additional data
112     */
113     RIPLEY_DLL_API
114     virtual void Print_Mesh_Info(const bool full=false) const;
115    
116 caltinay 3697 /**
117     \brief
118     returns the number of nodes per MPI rank in each dimension
119     */
120     RIPLEY_DLL_API
121     virtual IndexVector getNumNodesPerDim() const;
122    
123     /**
124     \brief
125     returns the number of elements per MPI rank in each dimension
126     */
127     RIPLEY_DLL_API
128     virtual IndexVector getNumElementsPerDim() const;
129    
130     /**
131     \brief
132     returns the number of face elements in the order
133     (left,right,bottom,top,[front,back]) on current MPI rank
134     */
135     RIPLEY_DLL_API
136     virtual IndexVector getNumFacesPerBoundary() const;
137    
138     /**
139     \brief
140     returns the node distribution vector
141     */
142     RIPLEY_DLL_API
143     virtual IndexVector getNodeDistribution() const { return m_nodeDistribution; }
144    
145     /**
146     \brief
147 caltinay 3766 returns the number of spatial subdivisions in each dimension
148     */
149     RIPLEY_DLL_API
150     virtual IndexVector getNumSubdivisionsPerDim() const;
151    
152     /**
153     \brief
154 caltinay 3697 returns the first coordinate value and the node spacing along given
155     dimension as a pair
156     */
157     RIPLEY_DLL_API
158     virtual std::pair<double,double> getFirstCoordAndSpacing(dim_t dim) const;
159    
160 caltinay 3691 protected:
161     virtual dim_t getNumNodes() const { return m_N0*m_N1; }
162     virtual dim_t getNumElements() const { return m_NE0*m_NE1; }
163 caltinay 3756 virtual dim_t getNumFaceElements() const;
164 caltinay 3750 virtual dim_t getNumDOF() const;
165 caltinay 3766 virtual escript::Domain_ptr getCoarseMesh() const { return m_coarseMesh; }
166 caltinay 3756 virtual dim_t insertNeighbourNodes(IndexVector& index, index_t node) const;
167 caltinay 3691 virtual void assembleCoordinates(escript::Data& arg) const;
168 caltinay 3764 virtual void assembleGradient(escript::Data& out, escript::Data& in) const;
169     virtual void assembleIntegrate(std::vector<double>& integrals, escript::Data& arg) const;
170 caltinay 3748 virtual void assemblePDESingle(Paso_SystemMatrix* mat, escript::Data& rhs,
171     const escript::Data& A, const escript::Data& B,
172     const escript::Data& C, const escript::Data& D,
173     const escript::Data& X, const escript::Data& Y,
174     const escript::Data& d, const escript::Data& y) const;
175 caltinay 3762 virtual void assemblePDESingleReduced(Paso_SystemMatrix* mat,
176     escript::Data& rhs, const escript::Data& A, const escript::Data& B,
177     const escript::Data& C, const escript::Data& D,
178     const escript::Data& X, const escript::Data& Y,
179     const escript::Data& d, const escript::Data& y) const;
180 caltinay 3760 virtual void assemblePDESystem(Paso_SystemMatrix* mat, escript::Data& rhs,
181     const escript::Data& A, const escript::Data& B,
182     const escript::Data& C, const escript::Data& D,
183     const escript::Data& X, const escript::Data& Y,
184     const escript::Data& d, const escript::Data& y) const;
185 caltinay 3762 virtual void assemblePDESystemReduced(Paso_SystemMatrix* mat,
186     escript::Data& rhs, const escript::Data& A, const escript::Data& B,
187     const escript::Data& C, const escript::Data& D,
188     const escript::Data& X, const escript::Data& Y,
189     const escript::Data& d, const escript::Data& y) const;
190 caltinay 3691 virtual Paso_SystemMatrixPattern* getPattern(bool reducedRowOrder, bool reducedColOrder) const;
191 caltinay 3711 virtual void interpolateNodesOnElements(escript::Data& out,
192     escript::Data& in, bool reduced) const;
193     virtual void interpolateNodesOnFaces(escript::Data& out, escript::Data& in,
194     bool reduced) const;
195 caltinay 3750 virtual void nodesToDOF(escript::Data& out, escript::Data& in) const;
196 caltinay 3755 virtual void dofToNodes(escript::Data& out, escript::Data& in) const;
197 caltinay 3691
198     private:
199     void populateSampleIds();
200 caltinay 3756 void createPattern();
201 caltinay 3691
202     /// total number of elements in each dimension
203     dim_t m_gNE0, m_gNE1;
204    
205     /// side lengths of domain
206     double m_l0, m_l1;
207    
208     /// number of spatial subdivisions
209     int m_NX, m_NY;
210    
211 caltinay 3764 /// number of elements for this rank in each dimension including shared
212 caltinay 3691 dim_t m_NE0, m_NE1;
213    
214 caltinay 3764 /// number of own elements for this rank in each dimension
215     dim_t m_ownNE0, m_ownNE1;
216    
217 caltinay 3691 /// number of nodes for this rank in each dimension
218     dim_t m_N0, m_N1;
219    
220     /// first node on this rank is at (offset0,offset1) in global mesh
221     dim_t m_offset0, m_offset1;
222    
223 caltinay 3704 /// faceOffset[i]=-1 if face i is not an external face, otherwise it is
224     /// the index of that face (where i: 0=left, 1=right, 2=bottom, 3=top)
225     IndexVector m_faceOffset;
226    
227 caltinay 3691 /// vector of sample reference identifiers
228 caltinay 3750 IndexVector m_dofId;
229 caltinay 3691 IndexVector m_nodeId;
230     IndexVector m_elementId;
231     IndexVector m_faceId;
232 caltinay 3697
233     // vector with first node id on each rank
234     IndexVector m_nodeDistribution;
235 caltinay 3752
236 caltinay 3756 // vector that maps each node to a DOF index (used for the coupler)
237     IndexVector m_dofMap;
238    
239     // Paso connector used by the system matrix and to interpolate DOF to
240     // nodes
241     Paso_Connector* m_connector;
242    
243     // the Paso System Matrix pattern
244     Paso_SystemMatrixPattern* m_pattern;
245 caltinay 3766
246     escript::Domain_ptr m_coarseMesh;
247 caltinay 3691 };
248    
249     } // end of namespace ripley
250    
251     #endif // __RIPLEY_RECTANGLE_H__
252    

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