Sacado_ParameterVectorBase.hpp

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// @HEADER
// *****************************************************************************
//                           Sacado Package
//
// Copyright 2006 NTESS and the Sacado contributors.
// SPDX-License-Identifier: LGPL-2.1-or-later
// *****************************************************************************
// @HEADER

#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