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

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Revision 1716 - (show annotations)
Thu Aug 21 05:03:49 2008 UTC (11 years, 6 months ago) by gross
File size: 5102 byte(s)
getListOfTags method added to FunctionSpace class
1
2 /* $Id$ */
3
4 /*******************************************************
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 #include "FunctionSpace.h"
17 #include "FunctionSpaceException.h"
18 #include "Data.h"
19 #include "DataFactory.h"
20
21 #include <iostream>
22 #include <sstream>
23
24 using namespace std;
25
26 namespace escript {
27
28 //
29 // Create a null domain for use with any default-constructed function space
30 NullDomain const FunctionSpace::nullDomainValue;
31
32 FunctionSpace::FunctionSpace():
33 m_domain(static_cast<const AbstractDomain*>(&nullDomainValue)),
34 m_functionSpaceType(nullDomainValue.getFunctionCode())
35 {
36 }
37
38 FunctionSpace::FunctionSpace(const AbstractDomain& domain,
39 int functionSpaceType):
40 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 << " for domain: " << m_domain->getDescription();
47 throw FunctionSpaceException(temp.str());
48 }
49 }
50
51 std::pair<int,int>
52 FunctionSpace::getDataShape() const
53 {
54 return m_domain->getDataShape(m_functionSpaceType);
55 }
56
57 int
58 FunctionSpace::getTypeCode() const
59 {
60 return m_functionSpaceType;
61 }
62
63 const
64 AbstractDomain&
65 FunctionSpace::getDomain() const
66 {
67 return *m_domain;
68 }
69
70 std::string
71 FunctionSpace::toString() const
72 {
73 std::stringstream temp;
74 temp << m_domain->functionSpaceTypeAsString(m_functionSpaceType)
75 << " on " << m_domain->getDescription();
76
77 return temp.str();
78 }
79
80
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 return cvtr(temp.str());
92 }
93 #endif
94
95
96 int
97 FunctionSpace::getTagFromSampleNo(int sampleNo) const
98 {
99 return m_domain->getTagFromSampleNo(m_functionSpaceType,sampleNo);
100 }
101
102 int
103 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 int*
133 FunctionSpace::borrowSampleReferenceIDs() const
134 {
135 return m_domain->borrowSampleReferenceIDs(m_functionSpaceType);
136 }
137
138 FunctionSpace&
139 FunctionSpace::operator=(const FunctionSpace& other)
140 {
141 // explicitly defined assignment operator to emphasise pointer copy
142 m_functionSpaceType=other.m_functionSpaceType;
143 m_domain=other.m_domain;
144 return *this;
145 }
146
147 bool
148 FunctionSpace::operator==(const FunctionSpace& other) const
149 {
150 return ((*(other.m_domain)==*(m_domain)) && (other.m_functionSpaceType==m_functionSpaceType));
151 }
152
153 bool
154 FunctionSpace::operator!=(const FunctionSpace& other) const
155 {
156 return !(operator==(other));
157 }
158
159 escript::Data
160 FunctionSpace::getX() const
161 {
162 Data out=escript::Vector(0,*this,true);
163 getDomain().setToX(out);
164 out.setProtection();
165 return out;
166 }
167
168 escript::Data
169 FunctionSpace::getNormal() const
170 {
171 Data out=escript::Vector(0,*this,true);
172 getDomain().setToNormal(out);
173 out.setProtection();
174 return out;
175 }
176
177 escript::Data
178 FunctionSpace::getSize() const
179 {
180 Data out=escript::Scalar(0,*this,true);
181 getDomain().setToSize(out);
182 out.setProtection();
183 return out;
184 }
185
186 void
187 FunctionSpace::setTags(const int newTag, const escript::Data& mask) const
188 {
189 if (mask.getFunctionSpace()== *this) {
190 m_domain->setTags(m_functionSpaceType,newTag,mask);
191 } else {
192 throw FunctionSpaceException("illegal function space of mask.");
193 }
194 }
195
196 int
197 FunctionSpace::getNumberOfTagsInUse() const
198 {
199 return m_domain->getNumberOfTagsInUse(m_functionSpaceType);
200 }
201
202 int*
203 FunctionSpace::borrowListOfTagsInUse() const
204 {
205 return m_domain->borrowListOfTagsInUse(m_functionSpaceType);
206 }
207
208
209
210 boost::python::list
211 FunctionSpace::getListOfTags() const
212 {
213 boost::python::list taglist;
214 int i;
215 int* tags=borrowListOfTagsInUse();
216 for (i=0;i<getNumberOfTagsInUse();++i) taglist.append(tags[i]);
217 return taglist;
218 }
219
220 } // end of namespace

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