/[escript]/branches/lapack2681/escript/src/DataConstant.cpp
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Annotation of /branches/lapack2681/escript/src/DataConstant.cpp

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Revision 2548 - (hide annotations)
Mon Jul 20 06:20:06 2009 UTC (9 years, 11 months ago) by jfenwick
Original Path: trunk/escript/src/DataConstant.cpp
File size: 11245 byte(s)
Updating copyright notices
1 jgs 82
2 ksteube 1312 /*******************************************************
3 ksteube 1811 *
4 jfenwick 2548 * Copyright (c) 2003-2009 by University of Queensland
5 ksteube 1811 * Earth Systems Science Computational Center (ESSCC)
6     * http://www.uq.edu.au/esscc
7     *
8     * Primary Business: Queensland, Australia
9     * Licensed under the Open Software License version 3.0
10     * http://www.opensource.org/licenses/osl-3.0.php
11     *
12     *******************************************************/
13 ksteube 1312
14 ksteube 1811
15 ksteube 1827 #include "Data.h"
16 jgs 474 #include "DataConstant.h"
17     #include "DataException.h"
18 robwdcock 682 #include "esysUtils/EsysAssert.h"
19 jgs 82
20     #include <iostream>
21     #include <boost/python/extract.hpp>
22 gross 1023 #ifdef USE_NETCDF
23 ksteube 1312 #include <netcdfcpp.h>
24 gross 1023 #endif
25 ksteube 1827 #ifdef PASO_MPI
26     #include <mpi.h>
27     #endif
28 jgs 82
29 matt 1319 #include <boost/python/extract.hpp>
30 jfenwick 1796 #include "DataMaths.h"
31 matt 1319
32 jfenwick 2271 // #define CHECK_FOR_EX_WRITE if (!checkNoSharing()) {throw DataException("Attempt to modify shared object");}
33    
34     #define CHECK_FOR_EX_WRITE if (!checkNoSharing()) {std::ostringstream ss; ss << " Attempt to modify shared object. line " << __LINE__ << " of " << __FILE__; ss << m_owners.size(); cerr << ss << endl; /* *((int*)0)=17; */throw DataException(ss.str());}
35    
36 jgs 82 using namespace std;
37 matt 1319 using namespace boost::python;
38 jgs 82
39     namespace escript {
40    
41 jfenwick 2271 DataConstant::DataConstant(const WrappedArray& value,
42 jgs 102 const FunctionSpace& what)
43 jfenwick 2271 : parent(what,value.getShape())
44 jgs 102 {
45 jfenwick 2271 m_data.copyFromArray(value,1);
46 jgs 102 }
47 jgs 82
48 jgs 102 DataConstant::DataConstant(const DataConstant& other)
49 jfenwick 2005 : parent(other.getFunctionSpace(),other.getShape())
50 jfenwick 2271 {
51 jgs 102 m_data=other.m_data;
52     }
53 jgs 82
54 jgs 102 DataConstant::DataConstant(const DataConstant& other,
55 jfenwick 1796 const DataTypes::RegionType& region)
56 jfenwick 2005 : parent(other.getFunctionSpace(),DataTypes::getResultSliceShape(region))
57 jgs 102 {
58     //
59     // allocate space for this new DataConstant's data
60 jfenwick 1796 int len = getNoValues();
61 jgs 151 m_data.resize(len,0.,len);
62 jgs 102 //
63     // create a view of the data with the correct shape
64 jfenwick 1796 DataTypes::RegionLoopRangeType region_loop_range=DataTypes::getSliceRegionLoopRange(region);
65 jgs 119 //
66     // load the view with the data from the slice
67 jfenwick 2271 DataTypes::copySlice(m_data,getShape(),0,other.getVectorRO(),other.getShape(),0,region_loop_range);
68 jgs 119 }
69    
70     DataConstant::DataConstant(const FunctionSpace& what,
71 jfenwick 1796 const DataTypes::ShapeType &shape,
72     const DataTypes::ValueType &data)
73 jfenwick 2005 : parent(what,shape)
74 jgs 119 {
75 jgs 102 //
76 jgs 119 // copy the data in the correct format
77     m_data=data;
78     //
79     // create the view of the data
80 jfenwick 1796 // DataArrayView tempView(m_data,shape);
81     // setPointDataView(tempView);
82 jgs 102 }
83 jgs 82
84 jgs 102 string
85     DataConstant::toString() const
86     {
87 jfenwick 1796 return DataTypes::pointToString(m_data,getShape(),0,"");
88 jgs 102 }
89 jgs 82
90 jfenwick 1799
91     DataAbstract*
92     DataConstant::deepCopy()
93     {
94     return new DataConstant(*this);
95     }
96    
97    
98 jfenwick 1796 DataTypes::ValueType::size_type
99 jgs 102 DataConstant::getPointOffset(int sampleNo,
100     int dataPointNo) const
101     {
102     EsysAssert((validSamplePointNo(dataPointNo) && validSampleNo(sampleNo)),
103     "Invalid index, sampleNo: " << sampleNo << " dataPointNo: " << dataPointNo);
104 jgs 122 //
105     // Whatever the coord's always return the same value as this is constant data.
106 jgs 102 return 0;
107     }
108 jgs 82
109 jfenwick 1796 DataTypes::ValueType::size_type
110 jfenwick 2005 DataConstant::getPointOffset(int sampleNo,
111     int dataPointNo)
112     {
113     EsysAssert((validSamplePointNo(dataPointNo) && validSampleNo(sampleNo)),
114     "Invalid index, sampleNo: " << sampleNo << " dataPointNo: " << dataPointNo);
115     //
116     // Whatever the coord's always return the same value as this is constant data.
117     return 0;
118     }
119    
120     DataTypes::ValueType::size_type
121 jgs 102 DataConstant::getLength() const
122     {
123     return m_data.size();
124     }
125 jgs 82
126 jgs 102 DataAbstract*
127 jfenwick 1796 DataConstant::getSlice(const DataTypes::RegionType& region) const
128 jgs 102 {
129     return new DataConstant(*this,region);
130     }
131 jgs 82
132 jgs 102 void
133     DataConstant::setSlice(const DataAbstract* value,
134 jfenwick 1796 const DataTypes::RegionType& region)
135 jgs 102 {
136     const DataConstant* tempDataConst=dynamic_cast<const DataConstant*>(value);
137     if (tempDataConst==0) {
138     throw DataException("Programming error - casting to DataConstant.");
139 jgs 82 }
140 jfenwick 2271 CHECK_FOR_EX_WRITE
141 matt 1319 //
142 jfenwick 1796 DataTypes::ShapeType shape(DataTypes::getResultSliceShape(region));
143     DataTypes::RegionLoopRangeType region_loop_range=DataTypes::getSliceRegionLoopRange(region);
144 jgs 108 //
145     // check shape:
146 jfenwick 1796 if (getRank()!=region.size()) {
147 jgs 108 throw DataException("Error - Invalid slice region.");
148     }
149 jfenwick 1796 if (getRank()>0 && !DataTypes::checkShape(value->getShape(),shape)) {
150     throw DataException (DataTypes::createShapeErrorMessage(
151     "Error - Couldn't copy slice due to shape mismatch.",shape,value->getShape()));
152 jgs 108 }
153 jfenwick 1796 // getPointDataView().copySliceFrom(tempDataConst->getPointDataView(),region_loop_range);
154 jfenwick 2271 DataTypes::copySliceFrom(m_data,getShape(),0,tempDataConst->getVectorRO(), tempDataConst->getShape(),0,region_loop_range);
155 jgs 102 }
156 jgs 82
157 jgs 123
158    
159 gross 580 void
160 ksteube 775 DataConstant::symmetric(DataAbstract* ev)
161     {
162     DataConstant* temp_ev=dynamic_cast<DataConstant*>(ev);
163     if (temp_ev==0) {
164     throw DataException("Error - DataConstant::symmetric: casting to DataConstant failed (propably a programming error).");
165     }
166 jfenwick 2271 DataMaths::symmetric(m_data,getShape(),0,temp_ev->getVectorRW(), temp_ev->getShape(),0);
167 ksteube 775 }
168    
169     void
170     DataConstant::nonsymmetric(DataAbstract* ev)
171     {
172     DataConstant* temp_ev=dynamic_cast<DataConstant*>(ev);
173     if (temp_ev==0) {
174     throw DataException("Error - DataConstant::nonsymmetric: casting to DataConstant failed (propably a programming error).");
175     }
176 jfenwick 2271 DataMaths::nonsymmetric(m_data,getShape(),0,temp_ev->getVectorRW(), temp_ev->getShape(),0);
177 ksteube 775 }
178    
179     void
180 gross 800 DataConstant::trace(DataAbstract* ev, int axis_offset)
181 ksteube 775 {
182     DataConstant* temp_ev=dynamic_cast<DataConstant*>(ev);
183     if (temp_ev==0) {
184 gross 800 throw DataException("Error - DataConstant::trace: casting to DataConstant failed (propably a programming error).");
185 ksteube 775 }
186 jfenwick 2271 ValueType& evVec=temp_ev->getVectorRW();
187 jfenwick 1796 const ShapeType& evShape=temp_ev->getShape();
188     DataMaths::trace(m_data,getShape(),0,evVec,evShape,0,axis_offset);
189 ksteube 775 }
190    
191     void
192 gross 804 DataConstant::swapaxes(DataAbstract* ev, int axis0, int axis1)
193 gross 800 {
194     DataConstant* temp_ev=dynamic_cast<DataConstant*>(ev);
195     if (temp_ev==0) {
196 gross 804 throw DataException("Error - DataConstant::swapaxes: casting to DataConstant failed (propably a programming error).");
197 gross 800 }
198 jfenwick 2271 DataMaths::swapaxes(m_data,getShape(),0,temp_ev->getVectorRW(), temp_ev->getShape(),0,axis0,axis1);
199 gross 800 }
200    
201     void
202 ksteube 775 DataConstant::transpose(DataAbstract* ev, int axis_offset)
203     {
204     DataConstant* temp_ev=dynamic_cast<DataConstant*>(ev);
205     if (temp_ev==0) {
206     throw DataException("Error - DataConstant::transpose: casting to DataConstant failed (propably a programming error).");
207     }
208 jfenwick 2271 DataMaths::transpose(m_data, getShape(),0, temp_ev->getVectorRW(),temp_ev->getShape(),0,axis_offset);
209 ksteube 775 }
210    
211     void
212 gross 580 DataConstant::eigenvalues(DataAbstract* ev)
213     {
214     DataConstant* temp_ev=dynamic_cast<DataConstant*>(ev);
215     if (temp_ev==0) {
216     throw DataException("Error - DataConstant::eigenvalues: casting to DataConstant failed (propably a programming error).");
217     }
218 jfenwick 2271 DataMaths::eigenvalues(m_data,getShape(),0,temp_ev->getVectorRW(), temp_ev->getShape(),0);
219 gross 580 }
220     void
221     DataConstant::eigenvalues_and_eigenvectors(DataAbstract* ev,DataAbstract* V,const double tol)
222     {
223     DataConstant* temp_ev=dynamic_cast<DataConstant*>(ev);
224     if (temp_ev==0) {
225     throw DataException("Error - DataConstant::eigenvalues_and_eigenvectors: casting to DataConstant failed (propably a programming error).");
226     }
227     DataConstant* temp_V=dynamic_cast<DataConstant*>(V);
228     if (temp_V==0) {
229     throw DataException("Error - DataConstant::eigenvalues_and_eigenvectors: casting to DataConstant failed (propably a programming error).");
230     }
231 jfenwick 2271 DataMaths::eigenvalues_and_eigenvectors(m_data, getShape(),0,temp_ev->getVectorRW(), temp_ev->getShape(),0,temp_V->getVectorRW(), temp_V->getShape(),0,tol);
232 gross 580 }
233    
234 gross 950 void
235 gross 1118 DataConstant::setToZero()
236     {
237 jfenwick 2271 CHECK_FOR_EX_WRITE
238 jfenwick 1796 DataTypes::ValueType::size_type n=m_data.size();
239 gross 1118 for (int i=0; i<n ;++i) m_data[i]=0.;
240     }
241    
242     void
243 gross 950 DataConstant::dump(const std::string fileName) const
244     {
245 gross 1149 #ifdef USE_NETCDF
246 jfenwick 1796 const NcDim* ncdims[DataTypes::maxRank];
247 gross 950 NcVar* var;
248 jfenwick 1796 int rank = getRank();
249 gross 950 int type= getFunctionSpace().getTypeCode();
250     int ndims =0;
251 jfenwick 1796 long dims[DataTypes::maxRank];
252 gross 1141 const double* d_ptr=&(m_data[0]);
253 jfenwick 1796 DataTypes::ShapeType shape = getShape();
254 jfenwick 1872 int mpi_iam=getFunctionSpace().getDomain()->getMPIRank();
255     int mpi_num=getFunctionSpace().getDomain()->getMPISize();
256 ksteube 1827 #ifdef PASO_MPI
257     MPI_Status status;
258     #endif
259 matt 1319
260 ksteube 1827 #ifdef PASO_MPI
261     /* Serialize NetCDF I/O */
262     if (mpi_iam>0) MPI_Recv(&ndims, 0, MPI_INT, mpi_iam-1, 81802, MPI_COMM_WORLD, &status);
263     #endif
264    
265 gross 950 // netCDF error handler
266     NcError err(NcError::verbose_nonfatal);
267     // Create the file.
268 ksteube 1827 char *newFileName = Escript_MPI_appendRankToFileName(fileName.c_str(), mpi_num, mpi_iam);
269     NcFile dataFile(newFileName, NcFile::Replace);
270 gross 950 // check if writing was successful
271 matt 1319 if (!dataFile.is_valid())
272 gross 950 throw DataException("Error - DataConstant:: opening of netCDF file for output failed.");
273 matt 1319 if (!dataFile.add_att("type_id",0) )
274 gross 950 throw DataException("Error - DataConstant:: appending data type to netCDF file failed.");
275 matt 1319 if (!dataFile.add_att("rank",rank) )
276 gross 950 throw DataException("Error - DataConstant:: appending rank attribute to netCDF file failed.");
277 matt 1319 if (!dataFile.add_att("function_space_type",type))
278 gross 950 throw DataException("Error - DataConstant:: appending function space attribute to netCDF file failed.");
279 gross 580
280 gross 950 if (rank == 0) {
281 matt 1319 if( ! (ncdims[0] = dataFile.add_dim("l", 1)) )
282 ksteube 1800 throw DataException("Error - DataConstant:: appending ncdimension 0 to netCDF file failed.");
283 gross 950 dims[0]=1,
284     ndims=1;
285     } else {
286     ndims=rank;
287     dims[0]=shape[0];
288 matt 1319 if (! (ncdims[0] = dataFile.add_dim("d0",shape[0])) )
289 ksteube 1800 throw DataException("Error - DataConstant:: appending ncdimension 0 to netCDF file failed.");
290 gross 950 if ( rank >1 ) {
291     dims[1]=shape[1];
292 matt 1319 if (! (ncdims[1] = dataFile.add_dim("d1",shape[1])) )
293 ksteube 1800 throw DataException("Error - DataConstant:: appending ncdimension 1 to netCDF file failed.");
294 gross 950 }
295     if ( rank >2 ) {
296     dims[2]=shape[2];
297 matt 1319 if (! (ncdims[2] = dataFile.add_dim("d2", shape[2])) )
298 ksteube 1800 throw DataException("Error - DataConstant:: appending ncdimension 2 to netCDF file failed.");
299 gross 950 }
300     if ( rank >3 ) {
301     dims[3]=shape[3];
302 matt 1319 if (! (ncdims[3] = dataFile.add_dim("d3", shape[3])) )
303 ksteube 1800 throw DataException("Error - DataConstant:: appending ncdimension 3 to netCDF file failed.");
304 gross 950 }
305     }
306 matt 1319
307 gross 950 if (! ( var = dataFile.add_var("data", ncDouble, ndims, ncdims)) )
308     throw DataException("Error - DataConstant:: appending variable to netCDF file failed.");
309 gross 1141 if (! (var->put(d_ptr,dims)) )
310 matt 1319 throw DataException("Error - DataConstant:: copy data to netCDF buffer failed.");
311 ksteube 1827 #ifdef PASO_MPI
312     if (mpi_iam<mpi_num-1) MPI_Send(&ndims, 0, MPI_INT, mpi_iam+1, 81802, MPI_COMM_WORLD);
313     #endif
314 gross 1023 #else
315     throw DataException("Error - DataConstant:: dump is not configured with netCDF. Please contact your installation manager.");
316     #endif
317 gross 950 }
318    
319 jfenwick 2271 // These used to be marked as inline in DataConstant.
320     // But they are marked virtual in DataReady
321     DataTypes::ValueType&
322     DataConstant::getVectorRW()
323     {
324     CHECK_FOR_EX_WRITE
325     return m_data;
326     }
327    
328     const DataTypes::ValueType&
329     DataConstant::getVectorRO() const
330     {
331     return m_data;
332     }
333    
334 jgs 82 } // end of namespace

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