/[escript]/trunk/escript/src/DataExpanded.h
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revision 854 by gross, Thu Sep 21 05:29:42 2006 UTC revision 1796 by jfenwick, Wed Sep 17 01:45:46 2008 UTC
# Line 1  Line 1 
1  // $Id$  
2  /*  /* $Id$ */
3   ************************************************************  
4   *          Copyright 2006 by ACcESS MNRF                   *  /*******************************************************
5   *                                                          *   *
6   *              http://www.access.edu.au                    *   *           Copyright 2003-2007 by ACceSS MNRF
7   *       Primary Business: Queensland, Australia            *   *       Copyright 2007 by University of Queensland
8   *  Licensed under the Open Software License version 3.0    *   *
9   *     http://www.opensource.org/licenses/osl-3.0.php       *   *                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  #if !defined escript_DataExpanded_20040323_H  #if !defined escript_DataExpanded_20040323_H
17  #define escript_DataExpanded_20040323_H  #define escript_DataExpanded_20040323_H
# Line 17  Line 19 
19    
20  #include "DataAbstract.h"  #include "DataAbstract.h"
21  #include "DataBlocks2D.h"  #include "DataBlocks2D.h"
 #include "DataArrayView.h"  
22    
23  #include <boost/python/numeric.hpp>  #include <boost/python/numeric.hpp>
24    
# Line 62  class DataExpanded : public DataAbstract Line 63  class DataExpanded : public DataAbstract
63    DataExpanded(const boost::python::numeric::array& value,    DataExpanded(const boost::python::numeric::array& value,
64                 const FunctionSpace& what);                 const FunctionSpace& what);
65    
66    /**  //  /**
67       \brief  //      \brief
68       Alternative constructor for DataExpanded.  //      Alternative constructor for DataExpanded.
69    //
70       Description:  //      Description:
71       Alternative Constructor for DataExpanded.  //      Alternative Constructor for DataExpanded.
72    //
73       The given single data value is copied to all the data points in  //      The given single data value is copied to all the data points in
74       this data object, where the number of data points is defined by  //      this data object, where the number of data points is defined by
75       the given function space.  //      the given function space.
76    //
77       \param value - Input - A single data value.  //      \param value - Input - A single data value.
78       \param what - Input - A description of what this data represents.  //      \param what - Input - A description of what this data represents.
79    */  //  */
80    ESCRIPT_DLL_API  //   ESCRIPT_DLL_API
81    DataExpanded(const DataArrayView& value,  //   DataExpanded(const DataArrayView& value,
82                 const FunctionSpace& what);  //                const FunctionSpace& what);
83    
84    /**    /**
85       \brief       \brief
# Line 90  class DataExpanded : public DataAbstract Line 91  class DataExpanded : public DataAbstract
91    */    */
92    ESCRIPT_DLL_API    ESCRIPT_DLL_API
93    DataExpanded(const DataExpanded& other,    DataExpanded(const DataExpanded& other,
94                 const DataArrayView::RegionType& region);                 const DataTypes::RegionType& region);
95    
96    /**    /**
97       \brief       \brief
# Line 101  class DataExpanded : public DataAbstract Line 102  class DataExpanded : public DataAbstract
102       \param what - Input - A description of what this data object represents.       \param what - Input - A description of what this data object represents.
103       \param shape - Input - the shape of each data-point.       \param shape - Input - the shape of each data-point.
104       \param data - the array of data values for the data-points.       \param data - the array of data values for the data-points.
105    
106    TODO Note that this constructor will also copy data to all points if it only contains enough elements to hold a single point.  ie this is the merge of two separate constructors.
107    */    */
108    ESCRIPT_DLL_API    ESCRIPT_DLL_API
109    DataExpanded(const FunctionSpace& what,    DataExpanded(const FunctionSpace& what,
110                 const DataArrayView::ShapeType &shape,                 const DataTypes::ShapeType &shape,
111                 const DataArrayView::ValueType &data);                 const DataTypes::ValueType &data);
112    
113    /**    /**
114       \brief       \brief
# Line 147  class DataExpanded : public DataAbstract Line 150  class DataExpanded : public DataAbstract
150    virtual    virtual
151    std::string    std::string
152    toString() const;    toString() const;
153     /**
154         \brief
155         dumps the object into a netCDF file
156      */
157      ESCRIPT_DLL_API
158      virtual
159      void
160      dump(const std::string fileName) const;
161    
162     /**
163         \brief
164        sets all values to zero
165      */
166      ESCRIPT_DLL_API
167      virtual
168      void
169      setToZero();
170    
171    /**    /**
172       \brief       \brief
# Line 159  class DataExpanded : public DataAbstract Line 179  class DataExpanded : public DataAbstract
179    */    */
180    ESCRIPT_DLL_API    ESCRIPT_DLL_API
181    virtual    virtual
182    DataArrayView::ValueType::size_type    DataTypes::ValueType::size_type
183    getPointOffset(int sampleNo,    getPointOffset(int sampleNo,
184                   int dataPointNo) const;                   int dataPointNo) const;
185    
186    /**  //  /**
187       \brief  /*     \brief
188       Return a view into the data array for the data point specified.       Return a view into the data array for the data point specified.
189    
190       NOTE: Construction of the DataArrayView is a relatively expensive       NOTE: Construction of the DataArrayView is a relatively expensive
# Line 172  class DataExpanded : public DataAbstract Line 192  class DataExpanded : public DataAbstract
192    
193       \param sampleNo - Input - sample number.       \param sampleNo - Input - sample number.
194       \param dataPointNo - Input - data point number.       \param dataPointNo - Input - data point number.
195       \return DataArrayView for the data point.       \return DataArrayView for the data point.*/
196    //  */
197    //   ESCRIPT_DLL_API
198    //   DataArrayView
199    //   getDataPoint(int sampleNo,
200    //                int dataPointNo);
201    
202    
203      /**
204         \brief
205         Return a a reference to the underlying DataVector.
206    */    */
207    
208    ESCRIPT_DLL_API    ESCRIPT_DLL_API
209    DataArrayView    DataTypes::ValueType&
210    getDataPoint(int sampleNo,    getVector();
211                 int dataPointNo);  
212      ESCRIPT_DLL_API
213      const DataTypes::ValueType&
214      getVector() const;
215    
216    
217    /**    /**
218       \brief       \brief
# Line 198  class DataExpanded : public DataAbstract Line 233  class DataExpanded : public DataAbstract
233    ESCRIPT_DLL_API    ESCRIPT_DLL_API
234    virtual    virtual
235    DataAbstract*    DataAbstract*
236    getSlice(const DataArrayView::RegionType& region) const;    getSlice(const DataTypes::RegionType& region) const;
237    
238    /**    /**
239       \brief       \brief
# Line 211  class DataExpanded : public DataAbstract Line 246  class DataExpanded : public DataAbstract
246    virtual    virtual
247    void    void
248    setSlice(const DataAbstract* value,    setSlice(const DataAbstract* value,
249             const DataArrayView::RegionType& region);             const DataTypes::RegionType& region);
250    
   /**  
      \brief  
      Assign the given value to all data-points associated with the given  
      reference number.  
251    
252       A reference number corresponds to a sample, and thus to all data-points  //  /**
253       in that sample.  /*     \brief
254         setTaggedValue
255    
256       If the given reference number does not correspond to any sample in this       Description:
257       Data object, an exception will be thrown.       uses tag to set a new value
258    
259         \param tagKey - Input - Integer key.
260         \param value - Input - Single DataArrayView value to be assigned to the tag.*/
261    //  */
262    //   ESCRIPT_DLL_API
263    //   virtual
264    //   void
265    //   setTaggedValue(int tagKey,
266    //                  const DataArrayView& value);
267    
      If the given value is a different shape to this Data object, an exception  
      will be thrown.  
268    
      \param ref - Input - reference number which determines sample numebr to  
                           assign given values to.  
      \param value - Input - Value to assign to data-point associated with  
                             the given reference number.  
   */  
   ESCRIPT_DLL_API  
   virtual  
   void  
   setRefValue(int ref,  
               const DataArray& value);  
269    
270    /**    /**
271       \brief       \brief
272       Return the value of the first data-point in the sample associated with       setTaggedValue
      the given reference number.  
   
      A reference number corresponds to a sample, and thus to all data-points  
      in that sample. If there is more than one data-point per sample number  
      in this Data object, the value of the first data-point will be returned.  
   
      If the given reference number does not correspond to any sample in this  
      Data object, an exception will be thrown.  
   
      If the given value is a different shape to this Data object, an exception  
      will be thrown.  
   
      \param ref - Input - reference number which determines sample number to  
                           read from.  
      \param value - Output - Object to receive data-points associated with  
                             the given reference number.  
   */  
   ESCRIPT_DLL_API  
   virtual  
   void  
   getRefValue(int ref,  
               DataArray& value);  
273    
274    /**       Description:
275      \brief       uses tag to set a new value
     Archive the underlying data values to the file referenced  
     by ofstream. A count of the number of values expected to be written  
     is provided as a cross-check.  
276    
277      The return value indicates success (0) or otherwise (1).       \param tagKey - Input - Integer key.
278    */       \param pointshape - Input - The shape of the value parameter
279    ESCRIPT_DLL_API       \param value - Input - .
280    int    */
281    archiveData(std::ofstream& archiveFile,    void  
282                const DataArrayView::ValueType::size_type noValues) const;    setTaggedValue(int tagKey,
283                 const DataTypes::ShapeType& pointshape,
284                     const DataTypes::ValueType& value,
285             int dataOffset=0);
286    
   /**  
     \brief  
     Extract the number of values specified by noValues from the file  
     referenced by ifstream to the underlying data structure.  
287    
     The return value indicates success (0) or otherwise (1).  
   */  
   ESCRIPT_DLL_API  
   int  
   extractData(std::ifstream& archiveFile,  
               const DataArrayView::ValueType::size_type noValues);  
288    
289    /**    /**
290       \brief       \brief
# Line 371  class DataExpanded : public DataAbstract Line 368  class DataExpanded : public DataAbstract
368    virtual void    virtual void
369    eigenvalues_and_eigenvectors(DataAbstract* ev,DataAbstract* V,const double tol=1.e-13);    eigenvalues_and_eigenvectors(DataAbstract* ev,DataAbstract* V,const double tol=1.e-13);
370    
371    /**
372     *      \brief
373     *           reorders data sample ordered by reference_ids to the ordering of the functions space
374     *
375     *                \param reference_ids - Input - reference_ids used for current ordering
376     *                  */
377      ESCRIPT_DLL_API
378      virtual void
379      reorderByReferenceIDs(int *reference_ids);
380    
381    
382    
383   protected:   protected:
384    
# Line 387  class DataExpanded : public DataAbstract Line 395  class DataExpanded : public DataAbstract
395       given shape and number of data points, and creates the corresponding       given shape and number of data points, and creates the corresponding
396       DataArrayView of this data.       DataArrayView of this data.
397    
      \param shape - Input - The shape of the point data.  
398       \param noSamples - Input - number of samples.       \param noSamples - Input - number of samples.
399       \param noDataPointsPerSample - Input - number of data points per sample.       \param noDataPointsPerSample - Input - number of data points per sample.
400    */    */
401    void    void
402    initialise(const DataArrayView::ShapeType& shape,    initialise(int noSamples,
              int noSamples,  
403               int noDataPointsPerSample);               int noDataPointsPerSample);
404    
405    /**    /**
# Line 406  class DataExpanded : public DataAbstract Line 412  class DataExpanded : public DataAbstract
412       \param value Input - A single data point value.       \param value Input - A single data point value.
413    */    */
414    void    void
415    copy(const DataArrayView& value);    copy(const DataConstant& value);
416    
417    
418    
419    /**    /**
420       \brief       \brief
# Line 432  class DataExpanded : public DataAbstract Line 440  class DataExpanded : public DataAbstract
440    void    void
441    copyAll(const boost::python::numeric::array& value);    copyAll(const boost::python::numeric::array& value);
442    
443      /**
444         \brief
445         Copy a double value to the data point dataPointNo of sample sampleNo in this object.
446    
447         Description:
448         Copy a double value to the data point dataPointNo of sample sampleNo in this object.
449    
450         \param sampleNo Input - sample number
451         \param dataPointNo Input - data point of the sample
452         \param value Input - new values for the data point
453      */
454      ESCRIPT_DLL_API
455      virtual void
456      copyToDataPoint(const int sampleNo, const int dataPointNo, const double value);
457    
458    
459      /**
460         \brief
461         Copy the numarray object to the data point dataPointNo of sample sampleNo in this object.
462    
463         Description:
464         Copy the numarray object to the data point dataPointNo of sample sampleNo in this object.
465    
466         \param sampleNo Input - sample number
467         \param dataPointNo Input - data point of the sample
468         \param value Input - new values for the data point
469      */
470      void
471      copyToDataPoint(const int sampleNo, const int dataPointNo, const boost::python::numeric::array& value);
472    
473    //    //
474    // The main data storage array, a 2D array of data blocks.    // The main data storage array, a 2D array of data blocks.
475    // noSamples * noDataPointsPerSample    // noSamples * noDataPointsPerSample

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