/[escript]/trunk/finley/src/CPPAdapter/SystemMatrixAdapter.cpp
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Contents of /trunk/finley/src/CPPAdapter/SystemMatrixAdapter.cpp

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Revision 817 - (show annotations)
Sat Aug 26 03:08:52 2006 UTC (13 years, 11 months ago) by ksteube
File size: 9022 byte(s)
Can now compile and run with MPI on shake71


1 /*
2 ******************************************************************************
3 * *
4 * COPYRIGHT ACcESS 2004 - All Rights Reserved *
5 * *
6 * This software is the property of ACcESS. No part of this code *
7 * may be copied in any form or by any means without the expressed written *
8 * consent of ACcESS. Copying, use or modification of this software *
9 * by any unauthorised person is illegal unless that person has a software *
10 * license agreement with ACcESS. *
11 * *
12 ******************************************************************************
13 $Id$
14 */
15
16 #ifdef PASO_MPI
17 #include <mpi.h>
18 #endif
19 #include "SystemMatrixAdapter.h"
20
21 using namespace std;
22
23 namespace finley {
24
25 struct null_deleter
26 {
27 void operator()(void const *ptr) const
28 {
29 }
30 };
31
32
33 SystemMatrixAdapter::SystemMatrixAdapter()
34 {
35 throw FinleyAdapterException("Error - Illegal to generate default SystemMatrixAdapter.");
36 }
37
38 SystemMatrixAdapter::SystemMatrixAdapter(Paso_SystemMatrix* system_matrix,
39 const int row_blocksize,
40 const escript::FunctionSpace& row_functionspace,
41 const int column_blocksize,
42 const escript::FunctionSpace& column_functionspace):
43 AbstractSystemMatrix(row_blocksize,row_functionspace,column_blocksize,column_functionspace)
44 {
45 m_system_matrix.reset(system_matrix,null_deleter());
46 }
47
48 SystemMatrixAdapter::~SystemMatrixAdapter()
49 {
50 if (m_system_matrix.unique()) {
51 Paso_SystemMatrix* mat=m_system_matrix.get();
52 Paso_SystemMatrix_dealloc(mat);
53 }
54 }
55
56 Paso_SystemMatrix* SystemMatrixAdapter::getPaso_SystemMatrix() const
57 {
58 return m_system_matrix.get();
59 }
60
61 void SystemMatrixAdapter::ypAx(escript::Data& y,escript::Data& x) const
62 {
63 Paso_SystemMatrix* mat=getPaso_SystemMatrix();
64
65 if ( x.getDataPointSize() != getColumnBlockSize()) {
66 throw FinleyAdapterException("matrix vector product : column block size does not match the number of components in input.");
67 } else if (y.getDataPointSize() != getRowBlockSize()) {
68 throw FinleyAdapterException("matrix vector product : row block size does not match the number of components in output.");
69 } else if ( x.getFunctionSpace() != getColumnFunctionSpace()) {
70 throw FinleyAdapterException("matrix vector product : column function space and function space of input don't match.");
71 } else if (y.getFunctionSpace() != getRowFunctionSpace()) {
72 throw FinleyAdapterException("matrix vector product : row function space and function space of output don't match.");
73 }
74 x.expand();
75 y.expand();
76 double* x_dp=x.getSampleData(0);
77 double* y_dp=y.getSampleData(0);
78 Paso_SystemMatrix_MatrixVector(1., mat,x_dp, 1.,y_dp);
79 checkPasoError();
80 }
81
82 int SystemMatrixAdapter::mapOptionToPaso(const int option) {
83 switch (option) {
84 case ESCRIPT_DEFAULT:
85 return PASO_DEFAULT;
86 case ESCRIPT_DIRECT:
87 return PASO_DIRECT;
88 case ESCRIPT_CHOLEVSKY:
89 return PASO_CHOLEVSKY;
90 case ESCRIPT_PCG:
91 return PASO_PCG;
92 case ESCRIPT_CR:
93 return PASO_CR;
94 case ESCRIPT_CGS:
95 return PASO_CGS;
96 case ESCRIPT_BICGSTAB:
97 return PASO_BICGSTAB;
98 case ESCRIPT_SSOR:
99 return PASO_SSOR;
100 case ESCRIPT_ILU0:
101 return PASO_ILU0;
102 case ESCRIPT_ILUT:
103 return PASO_ILUT;
104 case ESCRIPT_JACOBI:
105 return PASO_JACOBI;
106 case ESCRIPT_GMRES:
107 return PASO_GMRES;
108 case ESCRIPT_PRES20:
109 return PASO_PRES20;
110 case ESCRIPT_NO_REORDERING:
111 return PASO_NO_REORDERING;
112 case ESCRIPT_MINIMUM_FILL_IN:
113 return PASO_MINIMUM_FILL_IN;
114 case ESCRIPT_NESTED_DISSECTION:
115 return PASO_NESTED_DISSECTION;
116 case ESCRIPT_SCSL:
117 return PASO_SCSL;
118 case ESCRIPT_MKL:
119 return PASO_MKL;
120 case ESCRIPT_UMFPACK:
121 return PASO_UMFPACK;
122 case ESCRIPT_ITERATIVE:
123 return PASO_ITERATIVE;
124 case ESCRIPT_PASO:
125 return PASO_PASO;
126 case ESCRIPT_LUMPING:
127 return PASO_LUMPING;
128 case ESCRIPT_AMG:
129 return PASO_AMG;
130 case ESCRIPT_RILU:
131 return PASO_RILU;
132 default:
133 stringstream temp;
134 temp << "Error - Cannot map option value "<< option << " onto Paso";
135 throw FinleyAdapterException(temp.str());
136 }
137 }
138
139 void SystemMatrixAdapter::setToSolution(escript::Data& out,escript::Data& in, const boost::python::dict& options) const
140 {
141 Paso_SystemMatrix* mat=getPaso_SystemMatrix();
142 Paso_Options paso_options;
143 Paso_Options_setDefaults(&paso_options);
144 // extract options
145 #define EXTRACT(__key__,__val__,__type__) if ( options.has_key(__key__)) paso_options.__val__=boost::python::extract<__type__>(options.get(__key__))
146 #define EXTRACT_OPTION(__key__,__val__,__type__) if ( options.has_key(__key__)) paso_options.__val__=mapOptionToPaso(boost::python::extract<__type__>(options.get(__key__)))
147 EXTRACT("verbose",verbose,int);
148 EXTRACT_OPTION("reordering",reordering,int);
149 EXTRACT(ESCRIPT_TOLERANCE_KEY,tolerance,double);
150 EXTRACT_OPTION(ESCRIPT_METHOD_KEY,method,int);
151 EXTRACT(ESCRIPT_SYMMETRY_KEY,symmetric,int);
152 EXTRACT_OPTION(ESCRIPT_PACKAGE_KEY,package,int);
153 EXTRACT_OPTION("preconditioner",preconditioner,int);
154 EXTRACT("iter_max",iter_max,int);
155 EXTRACT("drop_tolerance",drop_tolerance,double);
156 EXTRACT("drop_storage",drop_storage,double);
157 EXTRACT("truncation",truncation,double);
158 EXTRACT("restart",restart,double);
159 #undef EXTRACT
160 #undef EXTRACT_OPTION
161 if ( out.getDataPointSize() != getColumnBlockSize()) {
162 throw FinleyAdapterException("solve : column block size does not match the number of components of solution.");
163 } else if ( in.getDataPointSize() != getRowBlockSize()) {
164 throw FinleyAdapterException("solve : row block size does not match the number of components of right hand side.");
165 } else if ( out.getFunctionSpace() != getColumnFunctionSpace()) {
166 throw FinleyAdapterException("solve : column function space and function space of solution don't match.");
167 } else if (in.getFunctionSpace() != getRowFunctionSpace()) {
168 throw FinleyAdapterException("solve : row function space and function space of right hand side don't match.");
169 }
170 out.expand();
171 in.expand();
172 double* out_dp=out.getSampleData(0);
173 double* in_dp=in.getSampleData(0);
174 Paso_solve(mat,out_dp,in_dp,&paso_options);
175 checkPasoError();
176 }
177
178 void SystemMatrixAdapter::nullifyRowsAndCols(escript::Data& row_q,escript::Data& col_q, const double mdv) const
179 {
180 Paso_SystemMatrix* mat = getPaso_SystemMatrix();
181 if ( col_q.getDataPointSize() != getColumnBlockSize()) {
182 throw FinleyAdapterException("nullifyRowsAndCols : column block size does not match the number of components of column mask.");
183 } else if ( row_q.getDataPointSize() != getRowBlockSize()) {
184 throw FinleyAdapterException("nullifyRowsAndCols : row block size does not match the number of components of row mask.");
185 } else if ( col_q.getFunctionSpace() != getColumnFunctionSpace()) {
186 throw FinleyAdapterException("nullifyRowsAndCols : column function space and function space of column mask don't match.");
187 } else if (row_q.getFunctionSpace() != getRowFunctionSpace()) {
188 throw FinleyAdapterException("nullifyRowsAndCols : row function space and function space of row mask don't match.");
189 }
190 row_q.expand();
191 col_q.expand();
192 double* row_q_dp=row_q.getSampleData(0);
193 double* col_q_dp=col_q.getSampleData(0);
194 Paso_SystemMatrix_nullifyRowsAndCols(mat,row_q_dp,col_q_dp, mdv);
195 checkPasoError();
196 }
197
198 void SystemMatrixAdapter::saveMM(const std::string& fileName) const
199 {
200 char *fName = (fileName.size()+1>0) ? TMPMEMALLOC(fileName.size()+1,char) : (char*)NULL;
201
202 strcpy(fName,fileName.c_str());
203 Paso_SystemMatrix* mat = getPaso_SystemMatrix();
204 Paso_SystemMatrix_saveMM(mat,fName);
205 checkPasoError();
206 TMPMEMFREE(fName);
207
208 }
209
210 void SystemMatrixAdapter::saveHB(const std::string& fileName) const
211 {
212 char *fName = (fileName.size()+1>0) ? TMPMEMALLOC(fileName.size()+1,char) : (char*)NULL;
213
214 strcpy(fName,fileName.c_str());
215 Paso_SystemMatrix* mat = getPaso_SystemMatrix();
216 Paso_SystemMatrix_saveHB(mat,fName);
217 checkPasoError();
218 TMPMEMFREE(fName);
219
220 }
221
222 void SystemMatrixAdapter::resetValues() const
223 {
224 Paso_SystemMatrix* mat = getPaso_SystemMatrix();
225 Paso_SystemMatrix_setValues(mat,0.);
226 Paso_solve_free(mat);
227 checkPasoError();
228 }
229
230 } // end of namespace

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