/[escript]/branches/windows_from_1383_trunk/escript/src/FunctionSpace.cpp
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Revision 1422 - (hide annotations)
Tue Feb 26 13:44:12 2008 UTC (11 years, 8 months ago) by trankine
File size: 4553 byte(s)
this passes scons_run_tests
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 1419 NullDomain const FunctionSpace::nullDomainValue;
31 jgs 82
32     FunctionSpace::FunctionSpace():
33 trankine 1419 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 trankine 1419 const std::string &
71 jgs 117 FunctionSpace::toString() const
72 jgs 82 {
73 trankine 1422 std::stringstream temp;
74     temp << m_domain->functionSpaceTypeAsString(m_functionSpaceType)
75     << " on " << m_domain->getDescription();
76 trankine 1419
77 trankine 1422 type_str = temp.str();
78    
79 trankine 1419 return type_str;
80     }
81    
82    
83 trankine 1421 #ifdef DEBUG_PY_STRINGS
84 trankine 1419 PyObject *
85     FunctionSpace::toPyString() const
86     {
87 trankine 1422 boost::python::to_python_value<const std::string &> cvtr;
88 trankine 1419
89    
90 trankine 1422 type_str = toString();
91 trankine 1419
92 trankine 1422
93     return cvtr(type_str);
94 jgs 82 }
95 trankine 1419 #endif
96 jgs 82
97 trankine 1422
98 jgs 117 int
99     FunctionSpace::getTagFromSampleNo(int sampleNo) const
100 jgs 82 {
101     return m_domain->getTagFromSampleNo(m_functionSpaceType,sampleNo);
102     }
103    
104 jgs 117 int
105 jgs 149 FunctionSpace::getTagFromDataPointNo(int dataPointNo) const
106     {
107     //
108     // Get the number of samples and data-points per sample
109     int numSamples = getNumSamples();
110     int numDataPointsPerSample = getNumDPPSample();
111     int numDataPoints = numSamples * numDataPointsPerSample;
112    
113     if (numDataPointsPerSample==0) {
114     throw DataException("FunctionSpace::getTagFromDataPointNo error: no data-points associated with this object.");
115     }
116    
117     if (dataPointNo<0 || dataPointNo>numDataPoints) {
118     throw DataException("FunctionSpace::getTagFromDataPointNo error: invalid data-point number supplied.");
119     }
120    
121     //
122     // Determine the sample number which corresponds to this data-point number
123     int sampleNo = dataPointNo / numDataPointsPerSample;
124    
125     //
126     // Determine the tag number which corresponds to this sample number
127     int tagNo = getTagFromSampleNo(sampleNo);
128    
129     //
130     // return the tag number
131     return(tagNo);
132     }
133    
134 gross 964 int*
135     FunctionSpace::borrowSampleReferenceIDs() const
136 jgs 110 {
137 gross 964 return m_domain->borrowSampleReferenceIDs(m_functionSpaceType);
138 jgs 110 }
139    
140 jgs 117 FunctionSpace&
141     FunctionSpace::operator=(const FunctionSpace& other)
142 jgs 82 {
143     // explicitly defined assignment operator to emphasise pointer copy
144     m_functionSpaceType=other.m_functionSpaceType;
145     m_domain=other.m_domain;
146     return *this;
147     }
148    
149 jgs 117 bool
150     FunctionSpace::operator==(const FunctionSpace& other) const
151 jgs 82 {
152 jgs 121 return ((*(other.m_domain)==*(m_domain)) && (other.m_functionSpaceType==m_functionSpaceType));
153 jgs 82 }
154    
155 jgs 117 bool
156     FunctionSpace::operator!=(const FunctionSpace& other) const
157 jgs 82 {
158 jgs 121 return !(operator==(other));
159 jgs 82 }
160    
161 jgs 117 escript::Data
162     FunctionSpace::getX() const
163 jgs 82 {
164     Data out=escript::Vector(0,*this,true);
165     getDomain().setToX(out);
166 gross 783 out.setProtection();
167 jgs 82 return out;
168     }
169    
170 jgs 117 escript::Data
171     FunctionSpace::getNormal() const
172 jgs 82 {
173     Data out=escript::Vector(0,*this,true);
174     getDomain().setToNormal(out);
175 gross 783 out.setProtection();
176 jgs 82 return out;
177     }
178    
179 jgs 117 escript::Data
180     FunctionSpace::getSize() const
181 jgs 82 {
182     Data out=escript::Scalar(0,*this,true);
183     getDomain().setToSize(out);
184 gross 783 out.setProtection();
185 jgs 82 return out;
186     }
187    
188 gross 767 void
189     FunctionSpace::setTags(const int newTag, const escript::Data& mask) const
190     {
191     if (mask.getFunctionSpace()== *this) {
192     m_domain->setTags(m_functionSpaceType,newTag,mask);
193     } else {
194     throw FunctionSpaceException("illegal function space of mask.");
195     }
196     }
197    
198 jgs 82 } // end of namespace

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