/[escript]/branches/windows_from_1383_trunk/escript/src/FunctionSpace.cpp
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Contents of /branches/windows_from_1383_trunk/escript/src/FunctionSpace.cpp

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Revision 1424 - (show annotations)
Wed Feb 27 05:27:18 2008 UTC (11 years, 5 months ago) by trankine
File size: 4709 byte(s)
removed the toPyString code by undefining DEBUG_PY_STRINGS.
passes the python string() call test 50000 times. Also passes run_rests, but the slightest thing makes it fail.
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 const 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 type_str = temp.str();
78
79 return type_str;
80 }
81
82
83 #ifdef DEBUG_PY_STRINGS
84 PyObject *
85 FunctionSpace::toPyString() const
86 {
87 boost::python::to_python_value<const std::string &> cvtr;
88 std::stringstream temp;
89
90 temp << m_domain->functionSpaceTypeAsString(m_functionSpaceType)
91 << " on " << m_domain->getDescription();
92
93 //toString();
94 type_str = temp.str();
95
96 return cvtr(type_str);
97 }
98 #endif
99
100
101 int
102 FunctionSpace::getTagFromSampleNo(int sampleNo) const
103 {
104 return m_domain->getTagFromSampleNo(m_functionSpaceType,sampleNo);
105 }
106
107 int
108 FunctionSpace::getTagFromDataPointNo(int dataPointNo) const
109 {
110 //
111 // Get the number of samples and data-points per sample
112 int numSamples = getNumSamples();
113 int numDataPointsPerSample = getNumDPPSample();
114 int numDataPoints = numSamples * numDataPointsPerSample;
115
116 if (numDataPointsPerSample==0) {
117 throw DataException("FunctionSpace::getTagFromDataPointNo error: no data-points associated with this object.");
118 }
119
120 if (dataPointNo<0 || dataPointNo>numDataPoints) {
121 throw DataException("FunctionSpace::getTagFromDataPointNo error: invalid data-point number supplied.");
122 }
123
124 //
125 // Determine the sample number which corresponds to this data-point number
126 int sampleNo = dataPointNo / numDataPointsPerSample;
127
128 //
129 // Determine the tag number which corresponds to this sample number
130 int tagNo = getTagFromSampleNo(sampleNo);
131
132 //
133 // return the tag number
134 return(tagNo);
135 }
136
137 int*
138 FunctionSpace::borrowSampleReferenceIDs() const
139 {
140 return m_domain->borrowSampleReferenceIDs(m_functionSpaceType);
141 }
142
143 FunctionSpace&
144 FunctionSpace::operator=(const FunctionSpace& other)
145 {
146 // explicitly defined assignment operator to emphasise pointer copy
147 m_functionSpaceType=other.m_functionSpaceType;
148 m_domain=other.m_domain;
149 return *this;
150 }
151
152 bool
153 FunctionSpace::operator==(const FunctionSpace& other) const
154 {
155 return ((*(other.m_domain)==*(m_domain)) && (other.m_functionSpaceType==m_functionSpaceType));
156 }
157
158 bool
159 FunctionSpace::operator!=(const FunctionSpace& other) const
160 {
161 return !(operator==(other));
162 }
163
164 escript::Data
165 FunctionSpace::getX() const
166 {
167 Data out=escript::Vector(0,*this,true);
168 getDomain().setToX(out);
169 out.setProtection();
170 return out;
171 }
172
173 escript::Data
174 FunctionSpace::getNormal() const
175 {
176 Data out=escript::Vector(0,*this,true);
177 getDomain().setToNormal(out);
178 out.setProtection();
179 return out;
180 }
181
182 escript::Data
183 FunctionSpace::getSize() const
184 {
185 Data out=escript::Scalar(0,*this,true);
186 getDomain().setToSize(out);
187 out.setProtection();
188 return out;
189 }
190
191 void
192 FunctionSpace::setTags(const int newTag, const escript::Data& mask) const
193 {
194 if (mask.getFunctionSpace()== *this) {
195 m_domain->setTags(m_functionSpaceType,newTag,mask);
196 } else {
197 throw FunctionSpaceException("illegal function space of mask.");
198 }
199 }
200
201 } // end of namespace

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