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// Copyright (C) 2016 EDF
// All Rights Reserved
// This code is published under the GNU Lesser General Public License (GNU LGPL)
#ifndef ONEDIMREGULARSPACEGRID_H
#define ONEDIMREGULARSPACEGRID_H
#include <assert.h>
#include <algorithm>
#include "StOpt/core/utils/comparisonUtils.h"
/** \file OneDimRegularSpaceGrid.h
* \brief Defines a specialization of the RegularSpaceGrid object in one dimension
* \author Xavier Warin
*/
namespace StOpt
{
/// \class OneDimRegularSpaceGrid OneDimRegularSpaceGrid.h
/// define a grid in one dimension
class OneDimRegularSpaceGrid
{
private :
double m_lowValue ; ///< minimal value of the mesh
double m_step; ///< Step size
int m_nbStep ; ///< Number of step
public :
/// \brief Default constructor
OneDimRegularSpaceGrid() {}
/// \brief Constructor
/// \param p_lowValue minimal value of the grid
/// \param p_step step size
/// \param p_nbStep number of steps
OneDimRegularSpaceGrid(const double &p_lowValue, const double &p_step, const int &p_nbStep) : m_lowValue(p_lowValue), m_step(p_step), m_nbStep(p_nbStep) {}
/// \brief To a coordinate get back the mesh number
/// \param p_coord coordinate
/// \return mesh number associated to the coordinate
inline int getMesh(const double &p_coord) const
{
assert(isLesserOrEqual(m_lowValue, p_coord));
return std::min(roundIntAbove((p_coord - m_lowValue) / m_step), m_nbStep);
}
/// \name get back value
///@{
inline double getLowValue() const
{
return m_lowValue ;
}
inline double getStep() const
{
return m_step;
}
inline int getNbStep() const
{
return m_nbStep;
}
///@}
};
}
#endif
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