boundingbox.hpp

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/*
-----------------------------------------------------------------------------
   Copyright (C) 2011-2015 Ruben Martinez-Cantin <rmcantin@unizar.es>
 
   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU Affero General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   This program 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 Affero General Public License for more details.

   You should have received a copy of the GNU Affero General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-----------------------------------------------------------------------------
*/
#ifndef  _BOUNDING_BOX_HPP_
#define  _BOUNDING_BOX_HPP_

// BOOST Libraries
#include <boost/numeric/ublas/vector.hpp>
#include "ublas_elementwise.hpp"

namespace bayesopt {
  
  namespace utils {
    template <class V>
    class BoundingBox
    {
    public:
      BoundingBox(const V &lbound, const V &ubound):
    mLowerBound(lbound), mRangeBound(ubound - lbound)
      {};
    
      virtual ~BoundingBox(){};

      inline V unnormalizeVector( const V &vin )
      {
    return ublas_elementwise_prod(vin,mRangeBound) + mLowerBound;
      };  // unnormalizeVector

      inline V normalizeVector( const V &vin )
      {
    return ublas_elementwise_div(vin - mLowerBound, mRangeBound);
      }  // normalizeVector
  
    protected:
      V mLowerBound; 
      V mRangeBound; 
    };
    
  } //namespace utils


} //namespace bayesopt

#endif