/[escript]/trunk/escript/src/Data.h
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revision 782 by bcumming, Tue Jul 18 00:47:47 2006 UTC revision 950 by gross, Tue Feb 6 07:01:11 2007 UTC
# Line 29  extern "C" { Line 29  extern "C" {
29  #include "paso/Paso.h"  #include "paso/Paso.h"
30  }  }
31    
32    #ifndef PASO_MPI
33    #define MPI_Comm long
34    #endif
35    
36  #include <string>  #include <string>
37  #include <algorithm>  #include <algorithm>
38    
# Line 66  class Data { Line 70  class Data {
70    typedef double (*UnaryDFunPtr)(double);    typedef double (*UnaryDFunPtr)(double);
71    typedef double (*BinaryDFunPtr)(double,double);    typedef double (*BinaryDFunPtr)(double,double);
72    
73    
74    /**    /**
75       Constructors.       Constructors.
76    */    */
# Line 234  class Data { Line 239  class Data {
239    
240    /**    /**
241       \brief       \brief
242         switches on update protection
243    
244      */
245      ESCRIPT_DLL_API
246      void
247      setProtection();
248    
249      /**
250         \brief
251         Returns trueif the data object is protected against update
252    
253      */
254      ESCRIPT_DLL_API
255      bool
256      isProtected() const;
257      /**
258         \brief
259       Return the values of all data-points as a single python numarray object.       Return the values of all data-points as a single python numarray object.
260    */    */
261    ESCRIPT_DLL_API    ESCRIPT_DLL_API
# Line 242  class Data { Line 264  class Data {
264    
265    /**    /**
266       \brief       \brief
267       Return the values of all data-points for the given sample as a single python numarray object.       Fills the expanded Data object from values of a python numarray object.
268    */    */
269    ESCRIPT_DLL_API    ESCRIPT_DLL_API
270    const boost::python::numeric::array    void
271    convertToNumArrayFromSampleNo(int sampleNo);    fillFromNumArray(const boost::python::numeric::array);
272    
273    /**    /**
274       \brief       \brief
275       Return the value of the specified data-point as a single python numarray object.       Return the values of a data point on this process
276    */    */
277    ESCRIPT_DLL_API    ESCRIPT_DLL_API
278    const boost::python::numeric::array    const boost::python::numeric::array
279    convertToNumArrayFromDPNo(int sampleNo,    getValueOfDataPoint(int dataPointNo);
                             int dataPointNo);  
280    
281    /**    /**
282       \brief       \brief
283       Fills the expanded Data object from values of a python numarray object.       sets the values of a data-point on this process
284    */    */
285    ESCRIPT_DLL_API    ESCRIPT_DLL_API
286    void    void
287    fillFromNumArray(const boost::python::numeric::array);    setValueOfDataPointToArray(int dataPointNo, const boost::python::numeric::array);
288    
289      /**
290         \brief
291         sets the values of a data-point on this process
292      */
293      ESCRIPT_DLL_API
294      void
295      setValueOfDataPoint(int dataPointNo, const double);
296    
297      /**
298         \brief
299         Return the value of the specified data-point across all processors
300      */
301      ESCRIPT_DLL_API
302      const boost::python::numeric::array
303      getValueOfGlobalDataPoint(int procNo, int dataPointNo);
304    
305    /**    /**
306       \brief       \brief
# Line 423  class Data { Line 460  class Data {
460    
461    /**    /**
462       \brief       \brief
463         Return the number of data points
464      */
465      ESCRIPT_DLL_API
466      inline
467      int
468      getNumDataPoints() const
469      {
470        return getNumSamples() * getNumDataPointsPerSample();
471      }
472      /**
473         \brief
474       Return the number of samples.       Return the number of samples.
475    */    */
476    ESCRIPT_DLL_API    ESCRIPT_DLL_API
# Line 444  class Data { Line 492  class Data {
492    {    {
493      return m_data->getNumDPPSample();      return m_data->getNumDPPSample();
494    }    }
495      /**
496         \brief
497         dumps the object into a netCDF file
498      */
499      ESCRIPT_DLL_API
500      inline
501      void
502      dump(const std::string fileName) const
503      {
504        return m_data->dump(fileName);
505      }
506    
507    /**    /**
508       \brief       \brief
# Line 491  class Data { Line 550  class Data {
550    */    */
551    ESCRIPT_DLL_API    ESCRIPT_DLL_API
552    void    void
553    setRefValue(int ref,    setValueByReferenceNumber(int ref,
554                const boost::python::numeric::array& value);                              const boost::python::numeric::array& value);
555    
556    /**    /**
557       \brief       \brief
# Line 511  class Data { Line 570  class Data {
570    */    */
571    ESCRIPT_DLL_API    ESCRIPT_DLL_API
572    void    void
573    getRefValue(int ref,    getValueByReferenceNumber(int ref,
574                boost::python::numeric::array& value);                              boost::python::numeric::array& value);
575    
576    /**    /**
577       \brief       \brief
# Line 528  class Data { Line 587  class Data {
587    getDataPoint(int sampleNo,    getDataPoint(int sampleNo,
588                 int dataPointNo)                 int dataPointNo)
589    {    {
590      return m_data->getDataPoint(sampleNo,dataPointNo);          return m_data->getDataPoint(sampleNo,dataPointNo);
591    }    }
592    
593    /**    /**
# Line 640  class Data { Line 699  class Data {
699    
700    /**    /**
701       \brief       \brief
702         Returns 1./ Data object
703         *
704      */
705      ESCRIPT_DLL_API
706      Data
707      oneOver() const;
708      /**
709         \brief
710       Return a Data with a 1 for +ive values and a 0 for 0 or -ive values.       Return a Data with a 1 for +ive values and a 0 for 0 or -ive values.
711       *       *
712    */    */
# Line 762  class Data { Line 829  class Data {
829    */    */
830    ESCRIPT_DLL_API    ESCRIPT_DLL_API
831    const boost::python::tuple    const boost::python::tuple
832    mindp() const;    minGlobalDataPoint() const;
833    
834    ESCRIPT_DLL_API    ESCRIPT_DLL_API
835    void    void
836  #ifndef PASO_MPI    calc_minGlobalDataPoint(int& ProcNo,  int& DataPointNo) const;
   calc_mindp(int& SampleNo,  
              int& DataPointNo) const;  
 #else  
   calc_mindp(int& ProcNo,  
                         int& SampleNo,    
              int& DataPointNo) const;  
 #endif  
837    /**    /**
838       \brief       \brief
839       Return the sign of each data point of this Data object.       Return the sign of each data point of this Data object.
# Line 809  class Data { Line 869  class Data {
869    */    */
870    ESCRIPT_DLL_API    ESCRIPT_DLL_API
871    Data    Data
872    matrixtrace(int axis_offset) const;    trace(int axis_offset) const;
873    
874    /**    /**
875       \brief       \brief
# Line 845  class Data { Line 905  class Data {
905    
906    /**    /**
907       \brief       \brief
908       Calculate the trace of each data point of this Data object.       swaps the components axis0 and axis1
909       *       *
910    */    */
911    ESCRIPT_DLL_API    ESCRIPT_DLL_API
912    Data    Data
913    trace() const;    swapaxes(const int axis0, const int axis1) const;
914    
915      /**
916         \brief
917         Return the error function erf of each data point of this Data object.
918         *
919      */
920      ESCRIPT_DLL_API
921      Data
922      erf() const;
923    
924    /**    /**
925       \brief       \brief
# Line 1217  class Data { Line 1286  class Data {
1286                const FunctionSpace& fspace);                const FunctionSpace& fspace);
1287    
1288    
 #ifdef PASO_MPI  
1289    /**    /**
1290       \brief       \brief
1291       print the data values to stdout. Used for debugging       print the data values to stdout. Used for debugging
# Line 1254  class Data { Line 1322  class Data {
1322    ESCRIPT_DLL_API    ESCRIPT_DLL_API
1323      MPI_Comm      MPI_Comm
1324      get_MPIComm(void) const;      get_MPIComm(void) const;
1325  #endif  
1326          /**
1327         \brief
1328         return the object produced by the factory, which is a DataConstant or DataExpanded
1329      */
1330      ESCRIPT_DLL_API
1331        DataAbstract*
1332        borrowData(void) const;
1333    
1334   protected:   protected:
1335    
1336   private:   private:
# Line 1313  class Data { Line 1388  class Data {
1388    
1389    /**    /**
1390       \brief       \brief
      Perform the given binary operation on all of the data's elements.  
      RHS is a boost::python object.  
   */  
   template <class BinaryFunction>  
   inline  
   void  
   binaryOp(const boost::python::object& right,  
            BinaryFunction operation);  
   
   /**  
      \brief  
1391       Convert the data type of the RHS to match this.       Convert the data type of the RHS to match this.
1392       \param right - Input - data type to match.       \param right - Input - data type to match.
1393    */    */
# Line 1348  class Data { Line 1412  class Data {
1412               const FunctionSpace& what,               const FunctionSpace& what,
1413               bool expanded);               bool expanded);
1414    
1415    /**    //
1416       \brief    // flag to protect the data object against any update
1417       Reshape the data point if the data point is currently rank 0.    bool m_protected;
      Will throw an exception if the data points are not rank 0.  
      The original data point value is used for all values of the new  
      data point.  
   */  
   void  
   reshapeDataPoint(const DataArrayView::ShapeType& shape);  
1418    
1419    //    //
1420    // pointer to the actual data object    // pointer to the actual data object
# Line 1393  Data::initialise(const IValueType& value Line 1451  Data::initialise(const IValueType& value
1451  /**  /**
1452     Binary Data object operators.     Binary Data object operators.
1453  */  */
1454    inline double rpow(double x,double y)
1455    {
1456        return pow(y,x);
1457    };
1458    
1459  /**  /**
1460    \brief    \brief
# Line 1494  ESCRIPT_DLL_API std::ostream& operator<< Line 1556  ESCRIPT_DLL_API std::ostream& operator<<
1556    
1557  /**  /**
1558    \brief    \brief
1559      Compute a tensor product of two Data objects
1560      \param arg0 - Input - Data object
1561      \param arg1 - Input - Data object
1562      \param axis_offset - Input - axis offset
1563      \param transpose - Input - 0: transpose neither, 1: transpose arg0, 2: transpose arg1
1564    */
1565    ESCRIPT_DLL_API
1566    Data
1567    C_GeneralTensorProduct(Data& arg0,
1568                         Data& arg1,
1569                         int axis_offset=0,
1570                         int transpose=0);
1571    
1572    /**
1573      \brief
1574    Return true if operands are equivalent, else return false.    Return true if operands are equivalent, else return false.
1575    NB: this operator does very little at this point, and isn't to    NB: this operator does very little at this point, and isn't to
1576    be relied on. Requires further implementation.    be relied on. Requires further implementation.
# Line 1514  Data::binaryOp(const Data& right, Line 1591  Data::binaryOp(const Data& right,
1591     //     //
1592     // if this has a rank of zero promote it to the rank of the RHS     // if this has a rank of zero promote it to the rank of the RHS
1593     if (getPointDataView().getRank()==0 && right.getPointDataView().getRank()!=0) {     if (getPointDataView().getRank()==0 && right.getPointDataView().getRank()!=0) {
1594       reshapeDataPoint(right.getPointDataView().getShape());       throw DataException("Error - attempt to update rank zero object with object with rank bigger than zero.");
1595     }     }
1596     //     //
1597     // initially make the temporary a shallow copy     // initially make the temporary a shallow copy
# Line 1566  Data::binaryOp(const Data& right, Line 1643  Data::binaryOp(const Data& right,
1643       EsysAssert((leftC!=0 && rightC!=0), "Programming error - casting to DataConstant.");       EsysAssert((leftC!=0 && rightC!=0), "Programming error - casting to DataConstant.");
1644       escript::binaryOp(*leftC,*rightC,operation);       escript::binaryOp(*leftC,*rightC,operation);
1645     }     }
1646  }     #if defined DOPROF
1647       profData->binary++;
1648  /**     #endif
   \brief  
   Perform the given binary operation with this and right as operands.  
   Right is a boost::python object.  
 */  
 template <class BinaryFunction>  
 inline  
 void  
 Data::binaryOp(const boost::python::object& right,  
                BinaryFunction operation)  
 {  
    DataArray temp(right);  
    //  
    // if this has a rank of zero promote it to the rank of the RHS.  
    if (getPointDataView().getRank()==0 && temp.getView().getRank()!=0) {  
       reshapeDataPoint(temp.getView().getShape());  
    }  
    //  
    // Always allow scalar values for the RHS but check other shapes  
    if (temp.getView().getRank()!=0) {  
      if (!getPointDataView().checkShape(temp.getView().getShape())) {  
        throw DataException(getPointDataView().createShapeErrorMessage(  
                   "Error - RHS shape doesn't match LHS shape.",temp.getView().getShape()));  
      }  
    }  
    if (isExpanded()) {  
      DataExpanded* leftC=dynamic_cast<DataExpanded*>(m_data.get());  
      EsysAssert((leftC!=0),"Programming error - casting to DataExpanded.");  
      escript::binaryOp(*leftC,temp.getView(),operation);  
    } else if (isTagged()) {  
      DataTagged* leftC=dynamic_cast<DataTagged*>(m_data.get());  
      EsysAssert((leftC!=0), "Programming error - casting to DataTagged.");  
      escript::binaryOp(*leftC,temp.getView(),operation);  
    } else if (isConstant()) {  
      DataConstant* leftC=dynamic_cast<DataConstant*>(m_data.get());  
      EsysAssert((leftC!=0),"Programming error - casting to DataConstant.");  
      escript::binaryOp(*leftC,temp.getView(),operation);  
    }  
1649  }  }
1650    
1651  /**  /**

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