multiDimCombineAndProject.h

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#ifndef GUM_MULTI_DIM_COMBINE_AND_PROJECT_H
#define GUM_MULTI_DIM_COMBINE_AND_PROJECT_H

#include <utility>

#include <agrum/core/sequence.h>
#include <agrum/core/set.h>
#include <agrum/variables/discreteVariable.h>

namespace gum {

  // clang-format off
  // clang-format on
  template < typename GUM_SCALAR, template < typename > class TABLE >
  class MultiDimCombineAndProject {
    public:
    // ========================================================================
    // ========================================================================

    MultiDimCombineAndProject();

    MultiDimCombineAndProject(
       const MultiDimCombineAndProject< GUM_SCALAR, TABLE >&);

    virtual ~MultiDimCombineAndProject();

    virtual MultiDimCombineAndProject< GUM_SCALAR, TABLE >* newFactory() const = 0;

    // ========================================================================
    // ========================================================================

    virtual Set< const TABLE< GUM_SCALAR >* >
       combineAndProject(Set< const TABLE< GUM_SCALAR >* > set,
                         Set< const DiscreteVariable* >    del_vars) = 0;

    virtual void setCombineFunction(TABLE< GUM_SCALAR >* (*combine)(
       const TABLE< GUM_SCALAR >&, const TABLE< GUM_SCALAR >&)) = 0;

    virtual TABLE< GUM_SCALAR >* (*combineFunction())(
       const TABLE< GUM_SCALAR >&, const TABLE< GUM_SCALAR >&) = 0;

    virtual void setProjectFunction(TABLE< GUM_SCALAR >* (*proj)(
       const TABLE< GUM_SCALAR >&, const Set< const DiscreteVariable* >&)) = 0;

    virtual TABLE< GUM_SCALAR >* (*projectFunction())(
       const TABLE< GUM_SCALAR >&, const Set< const DiscreteVariable* >&) = 0;

    virtual float
       nbOperations(const Set< const TABLE< GUM_SCALAR >* >& set,
                    const Set< const DiscreteVariable* >&    del_vars) const = 0;
    virtual std::pair< long, long >
       memoryUsage(const Set< const Sequence< const DiscreteVariable* >* >& set,
                   Set< const DiscreteVariable* > del_vars) const = 0;


    private:
    MultiDimCombineAndProject< GUM_SCALAR, TABLE >&
       operator=(const MultiDimCombineAndProject< GUM_SCALAR, TABLE >&);
  };

} /* namespace gum */

// always include the template implementation
#include <agrum/multidim/utils/operators/multiDimCombineAndProject_tpl.h>

#endif /* GUM_MULTI_DIM_COMBINE_AND_PROJECT_H */