Sacado_ParameterVectorBase.hpp

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// $Id$ 
// $Source$ 
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// 
//                           Sacado Package
//                 Copyright (2006) Sandia Corporation
// 
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
// 
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
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//  
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
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// You should have received a copy of the GNU Lesser General Public
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#ifndef SACADO_PARAMETERVECTORBASE_HPP
#define SACADO_PARAMETERVECTORBASE_HPP

#include <vector>

#include "Teuchos_Array.hpp"

#include "Sacado_ParameterFamilyBase.hpp"

namespace Sacado {

  template <typename FamilyType, typename BaseValueType>
  class ParameterVectorBase  {

  public:

    struct Entry {

      Teuchos::RCP<FamilyType> family;

      BaseValueType baseValue;

      Entry(const Teuchos::RCP<FamilyType>& f, BaseValueType bv) :
        family(f), baseValue(bv) {}

    };

  protected:

    typedef Teuchos::Array<Entry> EntryVector;

  public:

    typedef typename EntryVector::iterator iterator;

    typedef typename EntryVector::const_iterator const_iterator;
  
    ParameterVectorBase() {}

    ParameterVectorBase(const ParameterVectorBase& source) : 
      params(source.params) {}

    virtual ~ParameterVectorBase() {}

    ParameterVectorBase& operator = (const ParameterVectorBase& source) {
      params = source.params; return *this; }

    void addParam(const Teuchos::RCP<FamilyType>& family,
                  BaseValueType baseValue) { 
      params.push_back(Entry(family, baseValue));
    }

    unsigned int size() const { return params.size(); }

    Entry& operator[] (int i) { return params[i]; }

    const Entry& operator[] (int i) const { return params[i]; }

    iterator begin() { return params.begin(); }

    const_iterator begin() const { return params.begin(); }

    iterator end() { return params.end(); }

    const_iterator end() const { return params.end(); }

    void
    filterParameters(ParameterVectorBase& ad,
                     ParameterVectorBase& analytic,
                     ParameterVectorBase& other,
                     std::vector<int>& index_ad,
                     std::vector<int>& index_analytic,
                     std::vector<int>& index_other) {
      index_ad.resize(0);
      index_analytic.resize(0);
      index_other.resize(0);
      
      typename EntryVector::iterator it;
      int i;
      for (it = params.begin(), i=0; it != params.end(); ++it, ++i) {
        if ((*it).family->supportsAD()) {
          ad.params.push_back(*it);
          index_ad.push_back(i);
        }
        else if ((*it).family->supportsAnalytic()) {
          analytic.params.push_back(*it);
          index_analytic.push_back(i);
        }
        else {
          other.params.push_back(*it);
          index_other.push_back(i);
        }
      }
    }

  protected:

    EntryVector params;
  };
}

#endif