/[escript]/trunk/escript/src/DataAbstract.h
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revision 615 by elspeth, Wed Mar 22 02:12:00 2006 UTC revision 775 by ksteube, Mon Jul 10 04:00:08 2006 UTC
# Line 14  Line 14 
14    
15  #if !defined escript_DataAbstract_20040315_H  #if !defined escript_DataAbstract_20040315_H
16  #define escript_DataAbstract_20040315_H  #define escript_DataAbstract_20040315_H
17    #include "system_dep.h"
18    
19  #include "DataArrayView.h"  #include "DataArrayView.h"
20  #include "DataArray.h"  #include "DataArray.h"
# Line 57  class DataAbstract { Line 58  class DataAbstract {
58    
59       \param what - Input - A description of what this data represents.       \param what - Input - A description of what this data represents.
60    */    */
61      ESCRIPT_DLL_API
62    DataAbstract(const FunctionSpace& what);    DataAbstract(const FunctionSpace& what);
63    
64    /**    /**
65      \brief      \brief
66      Destructor for DataAbstract.      Destructor for DataAbstract.
67    */    */
68      ESCRIPT_DLL_API
69    virtual    virtual
70    ~DataAbstract();    ~DataAbstract();
71    
# Line 70  class DataAbstract { Line 73  class DataAbstract {
73       \brief       \brief
74       Write the data as a string.       Write the data as a string.
75    */    */
76      ESCRIPT_DLL_API
77    virtual    virtual
78    std::string    std::string
79    toString() const = 0;    toString() const = 0;
# Line 78  class DataAbstract { Line 82  class DataAbstract {
82       \brief       \brief
83       Return the number of data points per sample.       Return the number of data points per sample.
84    */    */
85      ESCRIPT_DLL_API
86    int    int
87    getNumDPPSample() const;    getNumDPPSample() const;
88    
# Line 85  class DataAbstract { Line 90  class DataAbstract {
90       \brief       \brief
91       Return the number of samples.       Return the number of samples.
92    */    */
93      ESCRIPT_DLL_API
94    int    int
95    getNumSamples() const;    getNumSamples() const;
96    
# Line 94  class DataAbstract { Line 100  class DataAbstract {
100       the shape information for each data point although it also may be used       the shape information for each data point although it also may be used
101       to manipulate the point data.       to manipulate the point data.
102    */    */
103      ESCRIPT_DLL_API
104    DataArrayView&    DataArrayView&
105    getPointDataView();    getPointDataView();
106    
107      ESCRIPT_DLL_API
108    const DataArrayView&    const DataArrayView&
109    getPointDataView() const;    getPointDataView() const;
110    
# Line 109  class DataAbstract { Line 117  class DataAbstract {
117       \param sampleNo - Input - sample number.       \param sampleNo - Input - sample number.
118       \param dataPointNo - Input - data point number.       \param dataPointNo - Input - data point number.
119     */     */
120      ESCRIPT_DLL_API
121    virtual    virtual
122    ValueType::size_type    ValueType::size_type
123    getPointOffset(int sampleNo,    getPointOffset(int sampleNo,
# Line 118  class DataAbstract { Line 127  class DataAbstract {
127       \brief       \brief
128       Return the sample data for the given sample number.       Return the sample data for the given sample number.
129    */    */
130      ESCRIPT_DLL_API
131    double*    double*
132    getSampleData(ValueType::size_type sampleNo);    getSampleData(ValueType::size_type sampleNo);
133    
# Line 125  class DataAbstract { Line 135  class DataAbstract {
135       \brief       \brief
136       Return the number of doubles stored for this Data object.       Return the number of doubles stored for this Data object.
137    */    */
138      ESCRIPT_DLL_API
139    virtual    virtual
140    ValueType::size_type    ValueType::size_type
141    getLength() const = 0;    getLength() const = 0;
# Line 134  class DataAbstract { Line 145  class DataAbstract {
145       Return the sample data for the given tag key.       Return the sample data for the given tag key.
146       NB: If the data isn't tagged an exception will be thrown.       NB: If the data isn't tagged an exception will be thrown.
147    */    */
148      ESCRIPT_DLL_API
149    virtual    virtual
150    double*    double*
151    getSampleDataByTag(int tag);    getSampleDataByTag(int tag);
# Line 150  class DataAbstract { Line 162  class DataAbstract {
162       \param value - Input - value to assign to data-points associated with       \param value - Input - value to assign to data-points associated with
163                              the given reference number.                              the given reference number.
164    */    */
165      ESCRIPT_DLL_API
166    virtual    virtual
167    void    void
168    setRefValue(int ref,    setRefValue(int ref,
# Line 167  class DataAbstract { Line 180  class DataAbstract {
180       \param value - Output - object to receive data-points associated with       \param value - Output - object to receive data-points associated with
181                               the given reference number.                               the given reference number.
182    */    */
183      ESCRIPT_DLL_API
184    virtual    virtual
185    void    void
186    getRefValue(int ref,    getRefValue(int ref,
# Line 179  class DataAbstract { Line 193  class DataAbstract {
193    
194       \param right - Input - The right hand side.       \param right - Input - The right hand side.
195    */    */
196      ESCRIPT_DLL_API
197    void    void
198    operandCheck(const DataAbstract& right) const;    operandCheck(const DataAbstract& right) const;
199    
# Line 186  class DataAbstract { Line 201  class DataAbstract {
201       \brief       \brief
202       Return true if a valid sample point number.       Return true if a valid sample point number.
203    */    */
204      ESCRIPT_DLL_API
205    bool    bool
206    validSamplePointNo(int samplePointNo) const;    validSamplePointNo(int samplePointNo) const;
207    
# Line 193  class DataAbstract { Line 209  class DataAbstract {
209       \brief       \brief
210       Return true if a valid sample number.       Return true if a valid sample number.
211    */    */
212      ESCRIPT_DLL_API
213    bool    bool
214    validSampleNo(int sampleNo) const;    validSampleNo(int sampleNo) const;
215    
# Line 205  class DataAbstract { Line 222  class DataAbstract {
222       \param sampleNo - Input - the sample number.       \param sampleNo - Input - the sample number.
223       \param dataPointNo - Input - the data point number.       \param dataPointNo - Input - the data point number.
224    */    */
225      ESCRIPT_DLL_API
226    virtual    virtual
227    DataArrayView    DataArrayView
228    getDataPoint(int sampleNo,    getDataPoint(int sampleNo,
# Line 214  class DataAbstract { Line 232  class DataAbstract {
232       \brief       \brief
233       Return the function space associated with this Data object.       Return the function space associated with this Data object.
234    */    */
235      ESCRIPT_DLL_API
236    const    const
237    FunctionSpace&    FunctionSpace&
238    getFunctionSpace() const;    getFunctionSpace() const;
# Line 224  class DataAbstract { Line 243  class DataAbstract {
243    
244       NB: The caller is responsible for managing the object created.       NB: The caller is responsible for managing the object created.
245    */    */
246      ESCRIPT_DLL_API
247    virtual    virtual
248    DataAbstract*    DataAbstract*
249    getSlice(const DataArrayView::RegionType& region) const = 0;    getSlice(const DataArrayView::RegionType& region) const = 0;
# Line 235  class DataAbstract { Line 255  class DataAbstract {
255       \param value - Input - Data to copy from       \param value - Input - Data to copy from
256       \param region - Input - Region to copy.       \param region - Input - Region to copy.
257    */    */
258      ESCRIPT_DLL_API
259    virtual    virtual
260    void    void
261    setSlice(const DataAbstract* value,    setSlice(const DataAbstract* value,
# Line 247  class DataAbstract { Line 268  class DataAbstract {
268       The original data point value is used for all values of the new       The original data point value is used for all values of the new
269       data point.       data point.
270    */    */
271      ESCRIPT_DLL_API
272    virtual    virtual
273    void    void
274    reshapeDataPoint(const ShapeType& shape) = 0;    reshapeDataPoint(const ShapeType& shape) = 0;
# Line 263  class DataAbstract { Line 285  class DataAbstract {
285       \param tagKey - Input - Integer key.       \param tagKey - Input - Integer key.
286       \param value - Input - Single DataArrayView value to be assigned to the tag.       \param value - Input - Single DataArrayView value to be assigned to the tag.
287    */    */
288      ESCRIPT_DLL_API
289    virtual    virtual
290    void    void
291    setTaggedValue(int tagKey,    setTaggedValue(int tagKey,
# Line 276  class DataAbstract { Line 299  class DataAbstract {
299    
300      The return value indicates success (0) or otherwise (1).      The return value indicates success (0) or otherwise (1).
301    */    */
302      ESCRIPT_DLL_API
303    virtual    virtual
304    int    int
305    archiveData(std::ofstream& archiveFile,    archiveData(std::ofstream& archiveFile,
# Line 288  class DataAbstract { Line 312  class DataAbstract {
312    
313      The return value indicates success (0) or otherwise (1).      The return value indicates success (0) or otherwise (1).
314    */    */
315      ESCRIPT_DLL_API
316    virtual    virtual
317    int    int
318    extractData(std::ifstream& archiveFile,    extractData(std::ifstream& archiveFile,
# Line 302  class DataAbstract { Line 327  class DataAbstract {
327    
328       \param value Input - new values for the data points       \param value Input - new values for the data points
329    */    */
330      ESCRIPT_DLL_API
331    virtual void    virtual void
332    copyAll(const boost::python::numeric::array& value);    copyAll(const boost::python::numeric::array& value);
333    
# Line 312  class DataAbstract { Line 338  class DataAbstract {
338       If the object cannot be referenced by tag numbers, an exception       If the object cannot be referenced by tag numbers, an exception
339       will be thrown.       will be thrown.
340    */    */
341      ESCRIPT_DLL_API
342    virtual    virtual
343    int    int
344    getTagNumber(int dpno);    getTagNumber(int dpno);
345    
346    /**    /**
347       \brief       \brief
348         Computes a symmetric matrix (A + AT) / 2
349    
350         \param ev - Output - a symmetric matrix
351    
352      */
353      virtual void
354      symmetric(DataAbstract* ev);
355    
356      /**
357         \brief
358         Computes a nonsymmetric matrix (A - AT) / 2
359    
360         \param ev - Output - a nonsymmetric matrix
361    
362      */
363      virtual void
364      nonsymmetric(DataAbstract* ev);
365    
366      /**
367         \brief
368         Computes the trace of a matrix
369    
370         \param ev - Output - the trace of a matrix
371    
372      */
373      virtual void
374      matrixtrace(DataAbstract* ev, int axis_offset);
375    
376      /**
377         \brief
378         Transpose each data point of this Data object around the given axis.
379    
380         \param ev - Output - the transpose of a matrix
381    
382      */
383      virtual void
384      transpose(DataAbstract* ev, int axis_offset);
385    
386      /**
387         \brief
388       solves the eigenvalue problem this*V=ev*V for the eigenvalues ev       solves the eigenvalue problem this*V=ev*V for the eigenvalues ev
389    
390       \param ev - Output - eigenvalues in increasing order at each data point       \param ev - Output - eigenvalues in increasing order at each data point
391    
392    */    */
393      ESCRIPT_DLL_API
394    virtual void    virtual void
395    eigenvalues(DataAbstract* ev);    eigenvalues(DataAbstract* ev);
396    
# Line 337  class DataAbstract { Line 405  class DataAbstract {
405    
406    */    */
407    
408      ESCRIPT_DLL_API
409    virtual void    virtual void
410    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);
411    
# Line 349  class DataAbstract { Line 418  class DataAbstract {
418       \param input - Input - The point data view. DataAbstract takes ownership       \param input - Input - The point data view. DataAbstract takes ownership
419       of the DataArrayView provided. It will delete it when it is destructed.       of the DataArrayView provided. It will delete it when it is destructed.
420    */    */
421      ESCRIPT_DLL_API
422    void    void
423    setPointDataView(const DataArrayView& input);    setPointDataView(const DataArrayView& input);
424    
425      ESCRIPT_DLL_API
426    void    void
427    resetPointDataView();    resetPointDataView();
428    

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