localproduct.hh

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#ifndef __RVL_PLDC
#define __RVL_PLDC


#include "localdata.hh"
#include "productdata.hh"

namespace RVL {

  template<class DataType>
  class ProductLocalDataContainer: public LocalDataContainer<DataType> {

  public:

    ProductLocalDataContainer() {}
    ProductLocalDataContainer( ProductLocalDataContainer<DataType> & ) {}
    ~ProductLocalDataContainer() {}

    virtual int getNumberOfComponents() const = 0;
  
    virtual LocalDataContainer<DataType> & operator[](int i) = 0;
    virtual LocalDataContainer<DataType> const & operator[](int i) const = 0;

  };

  template<class DataType>
  class ProductDataContainerLDC: public ProductDataContainer {

  private:

    ProductLocalDataContainer<DataType> & pldc;

    ProductDataContainerLDC();

  public:

    ProductDataContainerLDC( ProductLocalDataContainer<DataType> & _pldc)
      : pldc(_pldc) {}
    ProductDataContainerLDC( const ProductDataContainerLDC<DataType> & pdldc )
      : pldc(pdldc.pldc) {}
    virtual ~ProductDataContainerLDC() {}

    virtual int getSize() const { return pldc.getNumberOfComponents(); }

    virtual DataContainer & operator[](int i) { 
      try {
    return pldc[i];
      }
      catch (RVLException & e) {
    e<<"\ncalled from ProductDataContainerLDC::operator[]\n";
    throw e;
      }
    }
    virtual DataContainer const & operator[](int i) const { 
      try {
    return pldc[i];
      }
      catch (RVLException & e) {
    e<<"\ncalled from ProductDataContainerLDC::operator[]\n";
    throw e;
      }
    }
  };

  template<class DataType>
  class PartitionedLocalDataContainer
    : public ProductLocalDataContainer<DataType> {

  private:

    LocalDataContainer<DataType> & ldc;
    vector<int> k;

    vector<LocalDataContainerSection<DataType> *> comps;

    PartitionedLocalDataContainer() {}

  public:

    PartitionedLocalDataContainer(const PartitionedLocalDataContainer<DataType> & p)
      : ldc(p.ldc), k(p.k), comps(k.size()) {
      try {
    int nblk=k.size();
    int ndim=0;
    for (int i=0;i<nblk;i++) {
      comps[i]=new LocalDataContainerSection<DataType>(ldc,ndim,k[i]);
      ndim+=k[i];
    }
      }
      catch (RVLException & e) {
    e<<"\ncalled from PartitionedLocalDataContainer constructor\n";
    throw e;
      }
    }

    PartitionedLocalDataContainer( LocalDataContainer<DataType> & _ldc, 
                   vector<int> _k)
      : ldc(_ldc), k(_k), comps(k.size()) {
      try {
    int nblk = k.size();
    int ndim = 0;
    for (int i=0;i<nblk;i++) {
      ndim+=k[i];
    }
    if (ndim != ldc.getSize()) {
      RVLException e;
      e<<"Error: PartitionedLocalDataContainer constructor\n";
      e<<"block dimensions do not add up to overall dimensions\n";
      e<<"overall dimension = "<<ldc.getSize()<<"\n";
      for (int i=0; i<nblk; i++) {
        e<<"dimension of block "<<i<<" = "<<k[i]<<"\n";
      }
      throw e;
    }
    ndim=0;
    for (int i=0;i<nblk;i++) {
      comps[i]=new LocalDataContainerSection<DataType>(ldc,ndim,k[i]);
      ndim+=k[i];
    }
      }
      catch (RVLException & e) {
    e<<"\ncalled from PartitionedLocalDataContainer constructor\n";
    throw e;
      }
    }

    ~PartitionedLocalDataContainer() {
      for (int i=0;i<k.size();i++) {
    if (comps[i]) delete comps[i];
      }
    }
  
    int getSize() const { return ldc.getSize(); }

    DataType * getData() { return ldc.getData(); }
    DataType const * getData() const { return ldc.getData(); }

    int getNumberOfComponents() const { return k.size(); }
    LocalDataContainer<DataType> & operator[](int i) {
      if (i<0 || i>=(k.size())) {
    RVLException e;
    e<<"Error: PartitionedLocalDataContainer::getLocalComponent\n";
    e<<"input index "<<i<<" out of range [0, "<<(int)(k.size())-1<<"]\n";
    throw e;
      }
      return *(comps[i]);
    }

    LocalDataContainer<DataType> const & operator[](int i) const {
      if (i<0 || i>=(k.size())) {
    RVLException e;
    e<<"Error: PartitionedLocalDataContainer::getLocalComponent\n";
    e<<"input index "<<i<<" out of range [0, "<<(int)(k.size())-1<<"]\n";
    throw e;
      }
      return *(comps[i]);
    }

    ostream & write(ostream & str) const {
      str<<"Partitioned LocalDataContainer Object\n";
      str<<"   number of components = "<<getNumberOfComponents()<<"\n";
      for (int i=0;i<getNumberOfComponents();i++) {
    str<<"   *** component "<<i<<"\n";
    comps[i]->write(str);
      }
      return str;
    }
  };

}

#endif

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