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

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Revision 430 - (hide annotations)
Wed Jan 11 06:40:50 2006 UTC (14 years, 7 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 jgs 82 /*
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 jgs 102 $Id$
14 jgs 82 */
15     extern "C" {
16 jgs 150 #include "paso/SystemMatrix.h"
17     #include "paso/Options.h"
18 jgs 82 }
19     #include "escript/Data/Data.h"
20 jgs 150 #include "escript/Data/UtilC.h"
21 jgs 203 #include "SystemMatrixAdapter.h"
22     #include "FinleyAdapterException.h"
23     #include "FinleyError.h"
24 jgs 82 #include <boost/python/extract.hpp>
25    
26     using namespace std;
27    
28     namespace finley {
29    
30 jgs 102 struct null_deleter
31     {
32     void operator()(void const *ptr) const
33     {
34     }
35     };
36    
37    
38 jgs 82 SystemMatrixAdapter::SystemMatrixAdapter()
39     {
40     throw FinleyAdapterException("Error - Illegal to generate default SystemMatrixAdapter.");
41     }
42    
43 jgs 150 SystemMatrixAdapter::SystemMatrixAdapter(Paso_SystemMatrix* system_matrix,
44 jgs 82 const int row_blocksize,
45     const escript::FunctionSpace& row_functionspace,
46     const int column_blocksize,
47     const escript::FunctionSpace& column_functionspace):
48 jgs 102 AbstractSystemMatrix(row_blocksize,row_functionspace,column_blocksize,column_functionspace)
49 jgs 82 {
50 jgs 102 m_system_matrix.reset(system_matrix,null_deleter());
51 jgs 82 }
52    
53     SystemMatrixAdapter::~SystemMatrixAdapter()
54     {
55     if (m_system_matrix.unique()) {
56 jgs 150 Paso_SystemMatrix* mat=m_system_matrix.get();
57     Paso_SystemMatrix_dealloc(mat);
58 jgs 82 }
59     }
60    
61 jgs 150 Paso_SystemMatrix* SystemMatrixAdapter::getPaso_SystemMatrix() const
62 jgs 82 {
63     return m_system_matrix.get();
64     }
65    
66 jgs 153 void SystemMatrixAdapter::ypAx(escript::Data& y,escript::Data& x) const
67 jgs 82 {
68 jgs 150 Paso_SystemMatrix* mat=getPaso_SystemMatrix();
69    
70 jgs 153 if ( x.getDataPointSize() != getColumnBlockSize()) {
71 jgs 150 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 jgs 153 x.expand();
80     y.expand();
81     double* x_dp=x.getSampleData(0);
82 jgs 150 double* y_dp=y.getSampleData(0);
83     Paso_SystemMatrix_MatrixVector(1., mat,x_dp, 1.,y_dp);
84     checkPasoError();
85 jgs 82 }
86    
87 jgs 150 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 gross 430 case ESCRIPT_AMG:
134     return PASO_AMG;
135     case ESCRIPT_RILU:
136     return PASO_RILU;
137 jgs 150 default:
138     stringstream temp;
139     temp << "Error - Cannot map option value "<< option << " onto Paso";
140     throw FinleyAdapterException(temp.str());
141     }
142     }
143    
144 jgs 153 void SystemMatrixAdapter::setToSolution(escript::Data& out,escript::Data& in, const boost::python::dict& options) const
145 jgs 82 {
146 jgs 150 Paso_SystemMatrix* mat=getPaso_SystemMatrix();
147     Paso_Options paso_options;
148     Paso_Options_setDefaults(&paso_options);
149 jgs 82 // extract options
150 jgs 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 jgs 82 EXTRACT("verbose",verbose,int);
153 jgs 150 EXTRACT_OPTION("reordering",reordering,int);
154 jgs 102 EXTRACT(ESCRIPT_TOLERANCE_KEY,tolerance,double);
155 jgs 150 EXTRACT_OPTION(ESCRIPT_METHOD_KEY,method,int);
156 jgs 102 EXTRACT(ESCRIPT_SYMMETRY_KEY,symmetric,int);
157 jgs 150 EXTRACT_OPTION(ESCRIPT_PACKAGE_KEY,package,int);
158     EXTRACT_OPTION("preconditioner",preconditioner,int);
159 jgs 82 EXTRACT("iter_max",iter_max,int);
160     EXTRACT("drop_tolerance",drop_tolerance,double);
161     EXTRACT("drop_storage",drop_storage,double);
162 jgs 102 EXTRACT("truncation",truncation,double);
163     EXTRACT("restart",restart,double);
164 jgs 82 #undef EXTRACT
165 jgs 150 #undef EXTRACT_OPTION
166 jgs 153 if ( out.getDataPointSize() != getColumnBlockSize()) {
167 jgs 150 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 jgs 153 out.expand();
176     in.expand();
177 jgs 150 double* out_dp=out.getSampleData(0);
178 jgs 153 double* in_dp=in.getSampleData(0);
179 jgs 150 Paso_solve(mat,out_dp,in_dp,&paso_options);
180     checkPasoError();
181 jgs 82 }
182    
183 jgs 153 void SystemMatrixAdapter::nullifyRowsAndCols(escript::Data& row_q,escript::Data& col_q, const double mdv) const
184 jgs 82 {
185 jgs 150 Paso_SystemMatrix* mat = getPaso_SystemMatrix();
186 jgs 153 if ( col_q.getDataPointSize() != getColumnBlockSize()) {
187 jgs 150 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 jgs 153 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 jgs 150 Paso_SystemMatrix_nullifyRowsAndCols(mat,row_q_dp,col_q_dp, mdv);
200     checkPasoError();
201 jgs 82 }
202    
203 jgs 102 void SystemMatrixAdapter::saveMM(const std::string& fileName) const
204     {
205     char fName[fileName.size()+1];
206     strcpy(fName,fileName.c_str());
207 jgs 150 Paso_SystemMatrix* mat = getPaso_SystemMatrix();
208     Paso_SystemMatrix_saveMM(mat,fName);
209     checkPasoError();
210 jgs 102 }
211    
212 jgs 123 void SystemMatrixAdapter::saveHB(const std::string& fileName) const
213     {
214     char fName[fileName.size()+1];
215     strcpy(fName,fileName.c_str());
216 jgs 150 Paso_SystemMatrix* mat = getPaso_SystemMatrix();
217     Paso_SystemMatrix_saveHB(mat,fName);
218     checkPasoError();
219 jgs 123 }
220    
221 jgs 149 void SystemMatrixAdapter::resetValues() const
222 jgs 102 {
223 jgs 150 Paso_SystemMatrix* mat = getPaso_SystemMatrix();
224     Paso_SystemMatrix_setValues(mat,0.);
225     Paso_solve_free(mat);
226     checkPasoError();
227 jgs 108 }
228 jgs 102
229 jgs 82 } // end of namespace

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