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

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Revision 430 - (show annotations)
Wed Jan 11 06:40:50 2006 UTC (14 years, 8 months ago) by gross
File size: 9062 byte(s)
ILU has been replicated is called RILU (recursive ILU) now. ILU will now be reimplemented.
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 extern "C" {
16 #include "paso/SystemMatrix.h"
17 #include "paso/Options.h"
18 }
19 #include "escript/Data/Data.h"
20 #include "escript/Data/UtilC.h"
21 #include "SystemMatrixAdapter.h"
22 #include "FinleyAdapterException.h"
23 #include "FinleyError.h"
24 #include <boost/python/extract.hpp>
25
26 using namespace std;
27
28 namespace finley {
29
30 struct null_deleter
31 {
32 void operator()(void const *ptr) const
33 {
34 }
35 };
36
37
38 SystemMatrixAdapter::SystemMatrixAdapter()
39 {
40 throw FinleyAdapterException("Error - Illegal to generate default SystemMatrixAdapter.");
41 }
42
43 SystemMatrixAdapter::SystemMatrixAdapter(Paso_SystemMatrix* system_matrix,
44 const int row_blocksize,
45 const escript::FunctionSpace& row_functionspace,
46 const int column_blocksize,
47 const escript::FunctionSpace& column_functionspace):
48 AbstractSystemMatrix(row_blocksize,row_functionspace,column_blocksize,column_functionspace)
49 {
50 m_system_matrix.reset(system_matrix,null_deleter());
51 }
52
53 SystemMatrixAdapter::~SystemMatrixAdapter()
54 {
55 if (m_system_matrix.unique()) {
56 Paso_SystemMatrix* mat=m_system_matrix.get();
57 Paso_SystemMatrix_dealloc(mat);
58 }
59 }
60
61 Paso_SystemMatrix* SystemMatrixAdapter::getPaso_SystemMatrix() const
62 {
63 return m_system_matrix.get();
64 }
65
66 void SystemMatrixAdapter::ypAx(escript::Data& y,escript::Data& x) const
67 {
68 Paso_SystemMatrix* mat=getPaso_SystemMatrix();
69
70 if ( x.getDataPointSize() != getColumnBlockSize()) {
71 throw FinleyAdapterException("matrix vector product : column block size does not match the number of components in input.");
72 } else if (y.getDataPointSize() != getRowBlockSize()) {
73 throw FinleyAdapterException("matrix vector product : row block size does not match the number of components in output.");
74 } else if ( x.getFunctionSpace() != getColumnFunctionSpace()) {
75 throw FinleyAdapterException("matrix vector product : column function space and function space of input don't match.");
76 } else if (y.getFunctionSpace() != getRowFunctionSpace()) {
77 throw FinleyAdapterException("matrix vector product : row function space and function space of output don't match.");
78 }
79 x.expand();
80 y.expand();
81 double* x_dp=x.getSampleData(0);
82 double* y_dp=y.getSampleData(0);
83 Paso_SystemMatrix_MatrixVector(1., mat,x_dp, 1.,y_dp);
84 checkPasoError();
85 }
86
87 int SystemMatrixAdapter::mapOptionToPaso(const int option) {
88 switch (option) {
89 case ESCRIPT_DEFAULT:
90 return PASO_DEFAULT;
91 case ESCRIPT_DIRECT:
92 return PASO_DIRECT;
93 case ESCRIPT_CHOLEVSKY:
94 return PASO_CHOLEVSKY;
95 case ESCRIPT_PCG:
96 return PASO_PCG;
97 case ESCRIPT_CR:
98 return PASO_CR;
99 case ESCRIPT_CGS:
100 return PASO_CGS;
101 case ESCRIPT_BICGSTAB:
102 return PASO_BICGSTAB;
103 case ESCRIPT_SSOR:
104 return PASO_SSOR;
105 case ESCRIPT_ILU0:
106 return PASO_ILU0;
107 case ESCRIPT_ILUT:
108 return PASO_ILUT;
109 case ESCRIPT_JACOBI:
110 return PASO_JACOBI;
111 case ESCRIPT_GMRES:
112 return PASO_GMRES;
113 case ESCRIPT_PRES20:
114 return PASO_PRES20;
115 case ESCRIPT_NO_REORDERING:
116 return PASO_NO_REORDERING;
117 case ESCRIPT_MINIMUM_FILL_IN:
118 return PASO_MINIMUM_FILL_IN;
119 case ESCRIPT_NESTED_DISSECTION:
120 return PASO_NESTED_DISSECTION;
121 case ESCRIPT_SCSL:
122 return PASO_SCSL;
123 case ESCRIPT_MKL:
124 return PASO_MKL;
125 case ESCRIPT_UMFPACK:
126 return PASO_UMFPACK;
127 case ESCRIPT_ITERATIVE:
128 return PASO_ITERATIVE;
129 case ESCRIPT_PASO:
130 return PASO_PASO;
131 case ESCRIPT_LUMPING:
132 return PASO_LUMPING;
133 case ESCRIPT_AMG:
134 return PASO_AMG;
135 case ESCRIPT_RILU:
136 return PASO_RILU;
137 default:
138 stringstream temp;
139 temp << "Error - Cannot map option value "<< option << " onto Paso";
140 throw FinleyAdapterException(temp.str());
141 }
142 }
143
144 void SystemMatrixAdapter::setToSolution(escript::Data& out,escript::Data& in, const boost::python::dict& options) const
145 {
146 Paso_SystemMatrix* mat=getPaso_SystemMatrix();
147 Paso_Options paso_options;
148 Paso_Options_setDefaults(&paso_options);
149 // extract options
150 #define EXTRACT(__key__,__val__,__type__) if ( options.has_key(__key__)) paso_options.__val__=boost::python::extract<__type__>(options.get(__key__))
151 #define EXTRACT_OPTION(__key__,__val__,__type__) if ( options.has_key(__key__)) paso_options.__val__=mapOptionToPaso(boost::python::extract<__type__>(options.get(__key__)))
152 EXTRACT("verbose",verbose,int);
153 EXTRACT_OPTION("reordering",reordering,int);
154 EXTRACT(ESCRIPT_TOLERANCE_KEY,tolerance,double);
155 EXTRACT_OPTION(ESCRIPT_METHOD_KEY,method,int);
156 EXTRACT(ESCRIPT_SYMMETRY_KEY,symmetric,int);
157 EXTRACT_OPTION(ESCRIPT_PACKAGE_KEY,package,int);
158 EXTRACT_OPTION("preconditioner",preconditioner,int);
159 EXTRACT("iter_max",iter_max,int);
160 EXTRACT("drop_tolerance",drop_tolerance,double);
161 EXTRACT("drop_storage",drop_storage,double);
162 EXTRACT("truncation",truncation,double);
163 EXTRACT("restart",restart,double);
164 #undef EXTRACT
165 #undef EXTRACT_OPTION
166 if ( out.getDataPointSize() != getColumnBlockSize()) {
167 throw FinleyAdapterException("solve : column block size does not match the number of components of solution.");
168 } else if ( in.getDataPointSize() != getRowBlockSize()) {
169 throw FinleyAdapterException("solve : row block size does not match the number of components of right hand side.");
170 } else if ( out.getFunctionSpace() != getColumnFunctionSpace()) {
171 throw FinleyAdapterException("solve : column function space and function space of solution don't match.");
172 } else if (in.getFunctionSpace() != getRowFunctionSpace()) {
173 throw FinleyAdapterException("solve : row function space and function space of right hand side don't match.");
174 }
175 out.expand();
176 in.expand();
177 double* out_dp=out.getSampleData(0);
178 double* in_dp=in.getSampleData(0);
179 Paso_solve(mat,out_dp,in_dp,&paso_options);
180 checkPasoError();
181 }
182
183 void SystemMatrixAdapter::nullifyRowsAndCols(escript::Data& row_q,escript::Data& col_q, const double mdv) const
184 {
185 Paso_SystemMatrix* mat = getPaso_SystemMatrix();
186 if ( col_q.getDataPointSize() != getColumnBlockSize()) {
187 throw FinleyAdapterException("nullifyRowsAndCols : column block size does not match the number of components of column mask.");
188 } else if ( row_q.getDataPointSize() != getRowBlockSize()) {
189 throw FinleyAdapterException("nullifyRowsAndCols : row block size does not match the number of components of row mask.");
190 } else if ( col_q.getFunctionSpace() != getColumnFunctionSpace()) {
191 throw FinleyAdapterException("nullifyRowsAndCols : column function space and function space of column mask don't match.");
192 } else if (row_q.getFunctionSpace() != getRowFunctionSpace()) {
193 throw FinleyAdapterException("nullifyRowsAndCols : row function space and function space of row mask don't match.");
194 }
195 row_q.expand();
196 col_q.expand();
197 double* row_q_dp=row_q.getSampleData(0);
198 double* col_q_dp=col_q.getSampleData(0);
199 Paso_SystemMatrix_nullifyRowsAndCols(mat,row_q_dp,col_q_dp, mdv);
200 checkPasoError();
201 }
202
203 void SystemMatrixAdapter::saveMM(const std::string& fileName) const
204 {
205 char fName[fileName.size()+1];
206 strcpy(fName,fileName.c_str());
207 Paso_SystemMatrix* mat = getPaso_SystemMatrix();
208 Paso_SystemMatrix_saveMM(mat,fName);
209 checkPasoError();
210 }
211
212 void SystemMatrixAdapter::saveHB(const std::string& fileName) const
213 {
214 char fName[fileName.size()+1];
215 strcpy(fName,fileName.c_str());
216 Paso_SystemMatrix* mat = getPaso_SystemMatrix();
217 Paso_SystemMatrix_saveHB(mat,fName);
218 checkPasoError();
219 }
220
221 void SystemMatrixAdapter::resetValues() const
222 {
223 Paso_SystemMatrix* mat = getPaso_SystemMatrix();
224 Paso_SystemMatrix_setValues(mat,0.);
225 Paso_solve_free(mat);
226 checkPasoError();
227 }
228
229 } // end of namespace

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