GBilinear.cpp
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/***************************************************************************
* GBilinear.cpp - Bilinear interpolator class *
* ----------------------------------------------------------------------- *
* copyright (C) 2015 by Juergen Knoedlseder *
* ----------------------------------------------------------------------- *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
* *
***************************************************************************/
/**
* @file GBilinear.cpp
* @brief Bilinear interpolator class interface implementation
* @author Juergen Knoedlseder
*/
/* __ Includes ___________________________________________________________ */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "GBilinear.hpp"
#include "GTools.hpp"
/* __ Method name definitions ____________________________________________ */
/* __ Macros _____________________________________________________________ */
/* __ Coding definitions _________________________________________________ */
/* __ Debug definitions __________________________________________________ */
/* __ Constants __________________________________________________________ */
/*==========================================================================
= =
= Constructors/destructors =
= =
==========================================================================*/
/***********************************************************************//**
* @brief Void constructor
***************************************************************************/
GBilinear::GBilinear(void)
{
// Initialise class members for clean destruction
init_members();
// Return
return;
}
/***********************************************************************//**
* @brief Copy constructor
*
* @param[in] interpolator Bilinear interpolator.
***************************************************************************/
GBilinear::GBilinear(const GBilinear& interpolator)
{
// Initialise class members for clean destruction
init_members();
// Copy members
copy_members(interpolator);
// Return
return;
}
/***********************************************************************//**
* @brief Destructor
***************************************************************************/
GBilinear::~GBilinear(void)
{
// Free members
free_members();
// Return
return;
}
/*==========================================================================
= =
= Operators =
= =
==========================================================================*/
/***********************************************************************//**
* @brief Assignment operator
*
* @param[in] interpolator Bilinear interpolator.
* @return Bilinear interpolator.
***************************************************************************/
GBilinear& GBilinear::operator=(const GBilinear& interpolator)
{
// Execute only if object is not identical
if (this != &interpolator) {
// Free members
free_members();
// Initialise private members
init_members();
// Copy members
copy_members(interpolator);
} // endif: object was not identical
// Return this object
return *this;
}
/***********************************************************************//**
* @brief Interpolator
*
* @param[in] array Bilinear interpolator.
* @return Interpolated value.
***************************************************************************/
double GBilinear::operator()(const double* array)
{
// Perform interpolation
double value = m_wgt1 * array[m_inx1] +
m_wgt2 * array[m_inx2] +
m_wgt3 * array[m_inx3] +
m_wgt4 * array[m_inx4];
// Return interpolated value
return value;
}
/*==========================================================================
= =
= Public methods =
= =
==========================================================================*/
/***********************************************************************//**
* @brief Clear node array
***************************************************************************/
void GBilinear::clear(void)
{
// Free class members
free_members();
// Initialise members
init_members();
// Return
return;
}
/***********************************************************************//**
* @brief Clone bilinear interolator
*
* @return Pointer to deep copy of bilinear interolator.
***************************************************************************/
GBilinear* GBilinear::clone(void) const
{
return new GBilinear(*this);
}
/***********************************************************************//**
* @brief Print nodes
*
* @param[in] chatter Chattiness (defaults to NORMAL).
* @return String containing nodes information.
***************************************************************************/
std::string GBilinear::print(const GChatter& chatter) const
{
// Initialise result string
std::string result;
// Continue only if chatter is not silent
if (chatter != SILENT) {
// Append header
result.append("=== GBilinear ===");
// Append indices
result.append("\n"+gammalib::parformat("Indices"));
result.append(gammalib::str(m_inx1)+" ");
result.append(gammalib::str(m_inx2)+" ");
result.append(gammalib::str(m_inx3)+" ");
result.append(gammalib::str(m_inx4));
// Append weights
result.append("\n"+gammalib::parformat("Weights"));
result.append(gammalib::str(m_wgt1)+" ");
result.append(gammalib::str(m_wgt2)+" ");
result.append(gammalib::str(m_wgt3)+" ");
result.append(gammalib::str(m_wgt4));
} // endif: chatter was not silent
// Return result
return result;
}
/*==========================================================================
= =
= Private methods =
= =
==========================================================================*/
/***********************************************************************//**
* @brief Initialise class members
***************************************************************************/
void GBilinear::init_members(void)
{
// Initialise members
m_inx1 = 0;
m_inx2 = 0;
m_inx3 = 0;
m_inx4 = 0;
m_wgt1 = 0.0;
m_wgt2 = 0.0;
m_wgt3 = 0.0;
m_wgt4 = 0.0;
// Return
return;
}
/***********************************************************************//**
* @brief Copy class members
*
* @param[in] interpolator Bilinear interpolator.
***************************************************************************/
void GBilinear::copy_members(const GBilinear& interpolator)
{
// Copy members
m_inx1 = interpolator.m_inx1;
m_inx2 = interpolator.m_inx2;
m_inx3 = interpolator.m_inx3;
m_inx4 = interpolator.m_inx4;
m_wgt1 = interpolator.m_wgt1;
m_wgt2 = interpolator.m_wgt2;
m_wgt3 = interpolator.m_wgt3;
m_wgt4 = interpolator.m_wgt4;
// Return
return;
}
/***********************************************************************//**
* @brief Delete class members
***************************************************************************/
void GBilinear::free_members(void)
{
// Return
return;
}