/[escript]/trunk/escript/src/FunctionSpace.cpp
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Annotation of /trunk/escript/src/FunctionSpace.cpp

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Revision 1718 - (hide annotations)
Thu Aug 21 05:50:11 2008 UTC (11 years, 3 months ago) by gross
File size: 5904 byte(s)
method returning reference id added to FunctionSpace class
1 ksteube 1312
2 jgs 115 /* $Id$ */
3 jgs 82
4 ksteube 1312 /*******************************************************
5     *
6     * Copyright 2003-2007 by ACceSS MNRF
7     * Copyright 2007 by University of Queensland
8     *
9     * http://esscc.uq.edu.au
10     * Primary Business: Queensland, Australia
11     * Licensed under the Open Software License version 3.0
12     * http://www.opensource.org/licenses/osl-3.0.php
13     *
14     *******************************************************/
15    
16 jgs 480 #include "FunctionSpace.h"
17 jgs 474 #include "FunctionSpaceException.h"
18     #include "Data.h"
19     #include "DataFactory.h"
20 jgs 82
21     #include <iostream>
22     #include <sstream>
23    
24 jgs 121 using namespace std;
25 jgs 149
26 jgs 82 namespace escript {
27    
28     //
29 jgs 149 // Create a null domain for use with any default-constructed function space
30 trankine 1426 NullDomain const FunctionSpace::nullDomainValue;
31 jgs 82
32     FunctionSpace::FunctionSpace():
33 trankine 1426 m_domain(static_cast<const AbstractDomain*>(&nullDomainValue)),
34     m_functionSpaceType(nullDomainValue.getFunctionCode())
35 jgs 82 {
36     }
37    
38 jgs 117 FunctionSpace::FunctionSpace(const AbstractDomain& domain,
39     int functionSpaceType):
40 jgs 82 m_domain(dynamic_cast<const AbstractDomain*>(&domain)),
41     m_functionSpaceType(functionSpaceType)
42     {
43     if (!m_domain->isValidFunctionSpaceType(functionSpaceType)) {
44     std::stringstream temp;
45     temp << "Invalid function space type: " << functionSpaceType
46 jgs 149 << " for domain: " << m_domain->getDescription();
47 jgs 82 throw FunctionSpaceException(temp.str());
48     }
49     }
50    
51 jgs 117 std::pair<int,int>
52     FunctionSpace::getDataShape() const
53 jgs 82 {
54     return m_domain->getDataShape(m_functionSpaceType);
55     }
56    
57 jgs 117 int
58     FunctionSpace::getTypeCode() const
59 jgs 82 {
60     return m_functionSpaceType;
61     }
62    
63 jgs 117 const
64     AbstractDomain&
65     FunctionSpace::getDomain() const
66 jgs 82 {
67     return *m_domain;
68     }
69    
70 phornby 1628 std::string
71 jgs 117 FunctionSpace::toString() const
72 jgs 82 {
73     std::stringstream temp;
74 ksteube 1312 temp << m_domain->functionSpaceTypeAsString(m_functionSpaceType)
75     << " on " << m_domain->getDescription();
76 trankine 1426
77 phornby 1628 return temp.str();
78 jgs 82 }
79    
80 trankine 1426
81     #ifdef DEBUG_PY_STRINGS
82     PyObject *
83     FunctionSpace::toPyString() const
84     {
85     boost::python::to_python_value<const std::string &> cvtr;
86     std::stringstream temp;
87    
88     temp << m_domain->functionSpaceTypeAsString(m_functionSpaceType)
89     << " on " << m_domain->getDescription();
90    
91 phornby 1628 return cvtr(temp.str());
92 trankine 1426 }
93     #endif
94    
95    
96 jgs 117 int
97     FunctionSpace::getTagFromSampleNo(int sampleNo) const
98 jgs 82 {
99     return m_domain->getTagFromSampleNo(m_functionSpaceType,sampleNo);
100     }
101    
102 jgs 117 int
103 jgs 149 FunctionSpace::getTagFromDataPointNo(int dataPointNo) const
104     {
105     //
106     // Get the number of samples and data-points per sample
107     int numSamples = getNumSamples();
108     int numDataPointsPerSample = getNumDPPSample();
109     int numDataPoints = numSamples * numDataPointsPerSample;
110    
111     if (numDataPointsPerSample==0) {
112     throw DataException("FunctionSpace::getTagFromDataPointNo error: no data-points associated with this object.");
113     }
114    
115     if (dataPointNo<0 || dataPointNo>numDataPoints) {
116     throw DataException("FunctionSpace::getTagFromDataPointNo error: invalid data-point number supplied.");
117     }
118    
119     //
120     // Determine the sample number which corresponds to this data-point number
121     int sampleNo = dataPointNo / numDataPointsPerSample;
122    
123     //
124     // Determine the tag number which corresponds to this sample number
125     int tagNo = getTagFromSampleNo(sampleNo);
126    
127     //
128     // return the tag number
129     return(tagNo);
130     }
131    
132 gross 1718 int FunctionSpace::getReferenceIDFromDataPointNo(int dataPointNo) const
133     {
134     //
135     // Get the number of samples and data-points per sample
136     int numSamples = getNumSamples();
137     int numDataPointsPerSample = getNumDPPSample();
138     int*referenceIDs= borrowSampleReferenceIDs();
139     int numDataPoints = numSamples * numDataPointsPerSample;
140    
141     if (numDataPointsPerSample==0) {
142     throw DataException("FunctionSpace::getReferenceIDFromDataPointNo error: no data-points associated with this object.");
143     }
144     if (dataPointNo<0 || dataPointNo>numDataPoints) {
145     throw DataException("FunctionSpace::getReferenceIDFromDataPointNo error: invalid data-point number supplied.");
146     }
147     int sampleNo = dataPointNo / numDataPointsPerSample;
148     return referenceIDs[sampleNo];
149     }
150    
151 gross 964 int*
152     FunctionSpace::borrowSampleReferenceIDs() const
153 jgs 110 {
154 gross 964 return m_domain->borrowSampleReferenceIDs(m_functionSpaceType);
155 jgs 110 }
156    
157 jgs 117 FunctionSpace&
158     FunctionSpace::operator=(const FunctionSpace& other)
159 jgs 82 {
160     // explicitly defined assignment operator to emphasise pointer copy
161     m_functionSpaceType=other.m_functionSpaceType;
162     m_domain=other.m_domain;
163     return *this;
164     }
165    
166 jgs 117 bool
167     FunctionSpace::operator==(const FunctionSpace& other) const
168 jgs 82 {
169 jgs 121 return ((*(other.m_domain)==*(m_domain)) && (other.m_functionSpaceType==m_functionSpaceType));
170 jgs 82 }
171    
172 jgs 117 bool
173     FunctionSpace::operator!=(const FunctionSpace& other) const
174 jgs 82 {
175 jgs 121 return !(operator==(other));
176 jgs 82 }
177    
178 jgs 117 escript::Data
179     FunctionSpace::getX() const
180 jgs 82 {
181     Data out=escript::Vector(0,*this,true);
182     getDomain().setToX(out);
183 gross 783 out.setProtection();
184 jgs 82 return out;
185     }
186    
187 jgs 117 escript::Data
188     FunctionSpace::getNormal() const
189 jgs 82 {
190     Data out=escript::Vector(0,*this,true);
191     getDomain().setToNormal(out);
192 gross 783 out.setProtection();
193 jgs 82 return out;
194     }
195    
196 jgs 117 escript::Data
197     FunctionSpace::getSize() const
198 jgs 82 {
199     Data out=escript::Scalar(0,*this,true);
200     getDomain().setToSize(out);
201 gross 783 out.setProtection();
202 jgs 82 return out;
203     }
204    
205 gross 767 void
206     FunctionSpace::setTags(const int newTag, const escript::Data& mask) const
207     {
208     if (mask.getFunctionSpace()== *this) {
209     m_domain->setTags(m_functionSpaceType,newTag,mask);
210     } else {
211     throw FunctionSpaceException("illegal function space of mask.");
212     }
213     }
214    
215 gross 1716 int
216     FunctionSpace::getNumberOfTagsInUse() const
217     {
218     return m_domain->getNumberOfTagsInUse(m_functionSpaceType);
219     }
220    
221     int*
222     FunctionSpace::borrowListOfTagsInUse() const
223     {
224     return m_domain->borrowListOfTagsInUse(m_functionSpaceType);
225     }
226    
227    
228    
229 gross 1718
230 gross 1716 boost::python::list
231     FunctionSpace::getListOfTags() const
232     {
233     boost::python::list taglist;
234     int i;
235     int* tags=borrowListOfTagsInUse();
236     for (i=0;i<getNumberOfTagsInUse();++i) taglist.append(tags[i]);
237     return taglist;
238     }
239    
240 jgs 82 } // end of namespace

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