GModelSpatialRadialProfileDMBurkert.hpp
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/***************************************************************************
* GModelSpatialRadialProfileDMBurkert.hpp - DM Burkert profile class *
* ----------------------------------------------------------------------- *
* copyright (C) 2016-2017 by Nathan Kelley-Hoskins *
* ----------------------------------------------------------------------- *
* *
* 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 GModelSpatialRadialProfileDMBurkert.hpp
* @brief Dark Matter Burkert profile model class interface definition
* @author Nathan Kelley-Hoskins
*/
#ifndef GMODELSPATIALRADIALPROFILEDMBURKERT_HPP
#define GMODELSPATIALRADIALPROFILEDMBURKERT_HPP
/* __ Includes ___________________________________________________________ */
#include <string>
#include "GModelSpatialRadialProfile.hpp"
#include "GModelPar.hpp"
#include "GFunction.hpp"
#include "GIntegral.hpp"
/* __ Forward declaration ________________________________________________ */
class GXmlElement;
/**************************************************************************
* @class GModelSpatialRadialProfileDMBurkert
*
* @brief Radial Dark Matter Burkert profile source model class
*
* This class implements the spatial component of the factorised source
* model for a radial Dark Matter profile, using an Burkert density halo.
***************************************************************************/
class GModelSpatialRadialProfileDMBurkert : public GModelSpatialRadialProfile {
public:
// Constructors and destructors
GModelSpatialRadialProfileDMBurkert(void);
explicit GModelSpatialRadialProfileDMBurkert(const GXmlElement& xml);
GModelSpatialRadialProfileDMBurkert(const GModelSpatialRadialProfileDMBurkert& model);
virtual ~GModelSpatialRadialProfileDMBurkert(void);
// Operators
virtual GModelSpatialRadialProfileDMBurkert& operator=(const GModelSpatialRadialProfileDMBurkert& model);
// Implemented pure virtual base class methods
virtual void clear(void);
virtual GModelSpatialRadialProfileDMBurkert* clone(void) const;
virtual std::string classname(void) const;
virtual std::string type(void) const;
virtual double theta_min(void) const;
virtual double theta_max(void) const;
virtual void read(const GXmlElement& xml);
virtual void write(GXmlElement& xml) const;
virtual std::string print(const GChatter& chatter = NORMAL) const;
// Other methods
double scale_radius(void) const;
void scale_radius(const double& scale_radius);
double scale_density(void) const;
void scale_density(const double& scale_density);
double halo_distance(void) const;
void halo_distance(const double& halo_distance);
double mass_density(const double& radius ) const;
double jfactor(const double& angle) const;
protected:
// Protected methods
void init_members(void);
void copy_members(const GModelSpatialRadialProfileDMBurkert& model);
void free_members(void);
virtual double profile_value(const double& theta) const;
void update(void) const;
// Integration kernel for line-of-sight integral
class halo_kernel_los : public GFunction {
public :
halo_kernel_los(const double& scale_radius,
const double& halo_distance,
const double& theta,
const double& core_radius) :
m_scale_radius(scale_radius),
m_halo_distance(halo_distance),
m_theta(theta),
m_core_radius(core_radius) {}
double eval(const double& los);
protected :
double m_scale_radius;
double m_halo_distance;
double m_theta;
double m_core_radius;
};
// Protected members
GModelPar m_theta_min; //!< Minimum theta angle
GModelPar m_theta_max; //!< Maximum theta angle
GModelPar m_scale_radius; //!< Scale radius of halo profile
GModelPar m_scale_density; //!< Scale density of halo profile
GModelPar m_halo_distance; //!< Distance from Earth to halo center
GModelPar m_core_radius; //!< Core radius
// Cached members used for precomputation
mutable double m_last_scale_radius;
mutable double m_last_scale_density;
mutable double m_mass_radius;
mutable double m_scale_density_squared;
};
/***********************************************************************//**
* @brief Return class name
*
* @return String containing the class name ("GModelSpatialRadialProfileDMBurkert").
***************************************************************************/
inline
std::string GModelSpatialRadialProfileDMBurkert::classname(void) const
{
return ("GModelSpatialRadialProfileDMBurkert");
}
/***********************************************************************//**
* @brief Return model type
*
* @return "DMBurkertProfile".
*
* Returns the type of the radial profile model.
***************************************************************************/
inline
std::string GModelSpatialRadialProfileDMBurkert::type(void) const
{
return "DMBurkertProfile";
}
/***********************************************************************//**
* @brief Return scale radius
*
* @return Scale radius (kpc).
*
* Returns the scale radius of the halo profile in kpc.
***************************************************************************/
inline
double GModelSpatialRadialProfileDMBurkert::scale_radius(void) const
{
return (m_scale_radius.value());
}
/***********************************************************************//**
* @brief Set scale radius
*
* @param[in] radius Scale radius (kpc).
*
* Sets the scale radius of the halo profile in kpc.
***************************************************************************/
inline
void GModelSpatialRadialProfileDMBurkert::scale_radius(const double& radius)
{
m_scale_radius.value(radius);
return;
}
/***********************************************************************//**
* @brief Return scale density
*
* @return Scale density (GeV/cm^3).
*
* Returns the scale density (mass/volume density at the scale radius) of
* the halo profile in GeV/cm^3.
***************************************************************************/
inline
double GModelSpatialRadialProfileDMBurkert::scale_density(void) const
{
return (m_scale_density.value());
}
/***********************************************************************//**
* @brief Set scale density
*
* @param[in] density Scale density (GeV/cm^3).
*
* Sets the scale density ( mass/volume density at the scale radius) of the
* halo profile in GeV/cm^3.
***************************************************************************/
inline
void GModelSpatialRadialProfileDMBurkert::scale_density(const double& density)
{
m_scale_density.value(density);
return;
}
/***********************************************************************//**
* @brief Return halo distance
*
* @return Halo distance (kpc).
*
* Returns the distance to the halo center in kpc.
***************************************************************************/
inline
double GModelSpatialRadialProfileDMBurkert::halo_distance(void) const
{
return (m_halo_distance.value());
}
/***********************************************************************//**
* @brief Set halo distance
*
* @param[in] distance Halo distance (kpc).
*
* Sets the distance between the observer and the halo center in kpc.
***************************************************************************/
inline
void GModelSpatialRadialProfileDMBurkert::halo_distance(const double& distance)
{
m_halo_distance.value(distance);
return;
}
#endif /* GMODELSPATIALRADIALPROFILEDMBURKERT_HPP */