GModelSpatialPtsrc.cpp
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/***************************************************************************
* GModelSpatialPtsrc.cpp - Spatial point source model class *
* ----------------------------------------------------------------------- *
* copyright (C) 2009 by Jurgen Knodlseder *
* ----------------------------------------------------------------------- *
* *
* 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 2 of the License, or *
* (at your option) any later version. *
* *
* ----------------------------------------------------------------------- *
***************************************************************************/
/**
* @file GModelSpatialPtsrc.cpp
* @brief GModelSpatialPtsrc class implementation.
* @author J. Knodlseder
*/
/* __ Includes ___________________________________________________________ */
#include "GException.hpp"
#include "GModelSpatialPtsrc.hpp"
/* __ Method name definitions ____________________________________________ */
#define G_PAR "GModelSpatialPtsrc::par(int) const"
/* __ Macros _____________________________________________________________ */
/* __ Coding definitions _________________________________________________ */
/* __ Debug definitions __________________________________________________ */
/*==========================================================================
= =
= GModelSpatialPtsrc constructors/destructors =
= =
==========================================================================*/
/***********************************************************************//**
* @brief Constructor
***************************************************************************/
GModelSpatialPtsrc::GModelSpatialPtsrc(void) : GModelSpatial()
{
// Initialise private members for clean destruction
init_members();
// Return
return;
}
/***********************************************************************//**
* @brief Constructor
*
* @param[in] dir Position of the point source.
***************************************************************************/
GModelSpatialPtsrc::GModelSpatialPtsrc(GSkyDir dir) : GModelSpatial()
{
// Initialise private members for clean destruction
init_members();
// Assign Right Ascension and Declination
m_ra.value(dir.ra_deg());
m_dec.value(dir.dec_deg());
// Return
return;
}
/***********************************************************************//**
* @brief Copy constructor
*
* @param[in] model Model from which the instance should be built.
***************************************************************************/
GModelSpatialPtsrc::GModelSpatialPtsrc(const GModelSpatialPtsrc& model) :
GModelSpatial(model)
{
// Initialise private members for clean destruction
init_members();
// Copy members
copy_members(model);
// Return
return;
}
/***********************************************************************//**
* @brief Destructor
***************************************************************************/
GModelSpatialPtsrc::~GModelSpatialPtsrc()
{
// Free members
free_members();
// Return
return;
}
/*==========================================================================
= =
= GModelSpatialPtsrc operators =
= =
==========================================================================*/
/***********************************************************************//**
* @brief Assignment operator
*
* @param[in] model Model which should be assigned.
***************************************************************************/
GModelSpatialPtsrc& GModelSpatialPtsrc::operator= (const GModelSpatialPtsrc& model)
{
// Execute only if object is not identical
if (this != &model) {
// Copy base class members
this->GModelSpatial::operator=(model);
// Free members
free_members();
// Initialise private members for clean destruction
init_members();
// Copy members
copy_members(model);
} // endif: object was not identical
// Return
return *this;
}
/*==========================================================================
= =
= GModelSpatialPtsrc public methods =
= =
==========================================================================*/
/***********************************************************************//**
* @brief Get pointer to model parameter
*
* @param[in] index Parameter index.
***************************************************************************/
GModelPar* GModelSpatialPtsrc::par(int index) const
{
// If index is outside boundary then throw an error
if (index < 0 || index >= m_npars)
throw GException::out_of_range(G_PAR, index, 0, m_npars-1);
// Return parameter pointer
return m_par[index];
}
/***********************************************************************//**
* @brief Evaluate function gradients
***************************************************************************/
void GModelSpatialPtsrc::eval_gradients(GSkyDir* dir)
{
// Return
return;
}
/*==========================================================================
= =
= GModelSpatialPtsrc private methods =
= =
==========================================================================*/
/***********************************************************************//**
* @brief Initialise class members
***************************************************************************/
void GModelSpatialPtsrc::init_members(void)
{
// Initialise parameters
m_npars = 2;
m_par[0] = &m_ra;
m_par[1] = &m_dec;
// Initialise Right Ascension
m_ra = GModelPar();
m_ra.name("RA");
m_ra.unit("deg");
m_ra.fix();
// Initialise Declination
m_dec = GModelPar();
m_dec.name("DEC");
m_dec.unit("deg");
m_dec.fix();
// Return
return;
}
/***********************************************************************//**
* @brief Copy class members
*
* @param[in] model GModelSpatialPtsrc members which should be copied.
***************************************************************************/
void GModelSpatialPtsrc::copy_members(const GModelSpatialPtsrc& model)
{
// Copy model parameters (we do not need to copy the rest since it is
// static)
m_ra = model.m_ra;
m_dec = model.m_dec;
// Return
return;
}
/***********************************************************************//**
* @brief Delete class members
***************************************************************************/
void GModelSpatialPtsrc::free_members(void)
{
// Return
return;
}
/***********************************************************************//**
* @brief Clone class
***************************************************************************/
GModelSpatialPtsrc* GModelSpatialPtsrc::clone(void) const
{
return new GModelSpatialPtsrc(*this);
}
/*==========================================================================
= =
= GModelSpatialPtsrc friends =
= =
==========================================================================*/
/***********************************************************************//**
* @brief Put model in output stream
*
* @param[in] os Output stream into which the model will be dumped
* @param[in] model Model to be dumped
***************************************************************************/
std::ostream& operator<< (std::ostream& os, const GModelSpatialPtsrc& model)
{
// Put observation in stream
os << "=== GModelSpatialPtsrc ===" << std::endl;
os << " Number of parameters ......: " << model.m_npars << std::endl;
for (int i = 0; i < model.m_npars; ++i) {
if (i > 0)
os << std::endl;
os << " Parameter .................: " << *(model.m_par[i]);
}
// Return output stream
return os;
}
/*==========================================================================
= =
= Other functions used by GModelSpatialPtsrc =
= =
==========================================================================*/