/usr/include/lorene/C++/Include/eos_mag.h is in liblorene-dev 0.0.0~cvs20161116+dfsg-1ubuntu4.
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* Definition of Lorene classes Eos_mag
*/
/*
* Copyright (c) 2011 Jerome Novak
*
* This file is part of LORENE.
*
* LORENE 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.
*
* LORENE 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 LORENE; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef __EOS_MAG_H_
#define __EOS_MAG_H_
/*
* $Id: eos_mag.h,v 1.4 2014/10/13 08:52:33 j_novak Exp $
* $Log: eos_mag.h,v $
* Revision 1.4 2014/10/13 08:52:33 j_novak
* Lorene classes and functions now belong to the namespace Lorene.
*
* Revision 1.3 2013/12/13 16:36:51 j_novak
* Addition and computation of magnetisation terms in the Einstein equations.
*
* Revision 1.2 2011/10/04 16:05:18 j_novak
* Update of Eos_mag class. Suppression of loge, re-definition of the derivatives
* and use of interpol_herm_2d.
*
* Revision 1.1 2011/06/16 10:49:18 j_novak
* New class Eos_mag for EOSs depending on density and magnetic field.
*
*
* $Header: /cvsroot/Lorene/C++/Include/eos_mag.h,v 1.4 2014/10/13 08:52:33 j_novak Exp $
*
*/
// Standard C++
#include "headcpp.h"
#include <string>
// Headers C
#include <cstdio>
// Lorene classes
namespace Lorene {
class Tbl ;
class Cmp ;
//------------------------------------//
// class Eos_mag //
//------------------------------------//
/**
* Class for a magnetized (tabulated) equation of state. \ingroup (eos)
*
* This EOS depends on two variables \f$(n, B)\f$: density (or log-enthalpy)
* and the magnetic field amplitude. The interpolation through the tables is
* a cubic Hermite interpolation, which is thermodynamically consistent, i.e.
* preserves the Gibbs-Duhem relation.
*
*/
class Eos_mag : public Eos {
// Data :
// -----
protected:
/// Name of the file containing the tabulated data
string tablename ;
/// Lower boundary of the log-enthalpy interval
double hmin ;
/// Upper boundary of the log-enthalpy interval
double hmax ;
/// Upper boundary of the magnetic field interval
double Bmax ;
/// Table of \f$\log p\f$
Tbl* logp ;
/// Table of \f$\log h\f$
Tbl* logh ;
/// Table of \f$B\f$
Tbl* Bfield ;
/// Table of \f$\frac{d \log p}{d \log h}\f$
Tbl* dlpsdlh ;
/// Table of \f$\frac{d \log p}{d \log B}\f$
Tbl* dlpsdB ;
/// Table of \f$\frac{d^2 \log p}{d \log h d \log B}\f$
Tbl* d2lp ;
// Constructors - Destructor
// -------------------------
protected:
/** Standard constructor.
*
* @param name_i Name of the equation of state
* @param table Name of the file containing the EOS table
* @param path Path to the directory containing the EOS file
*/
Eos_mag(const char* name_i, const char* table, const char* path) ;
/** Standard constructor from the full filename.
*
* @param name_i Name of the equation of state
* @param table Full name of the file containing the EOS table
* (including the absolute path).
*/
Eos_mag(const char* name_i, const char* file_name) ;
Eos_mag(const Eos_mag& ) ; ///< Copy constructor
protected:
/** Constructor from a binary file (created by the function
* \c sauve(FILE*) ).
* This constructor is protected because any EOS construction
* from a binary file must be done via the function
* \c Eos::eos_from_file(FILE*) .
*/
Eos_mag(FILE* ) ;
/** Constructor from a formatted file.
* This constructor is protected because any EOS construction
* from a formatted file must be done via the function
* \c Eos::eos_from_file(ifstream\& ) .
*
* @param ist input file stream containing a name as first line
* and the path to the directory containing the EOS file
* as second line
* @param table Name of the file containing the EOS table
*/
Eos_mag(ifstream& ist, const char* table) ;
/** Constructor from a formatted file.
* This constructor is protected because any EOS construction
* from a formatted file must be done via the function
* \c Eos::eos_from_file(ifstream\& ) .
*
* @param ist input file stream containing a name as first line
* and the full filename (including the path) containing
* the EOS file as second line
*/
Eos_mag(ifstream& ist) ;
/// The construction functions from a file
friend Eos* Eos::eos_from_file(FILE* ) ;
friend Eos* Eos::eos_from_file(ifstream& ) ;
public:
virtual ~Eos_mag() ; ///< Destructor
// Miscellaneous
// -------------
protected:
/** Reads the file containing the table and initializes
* in the arrays \c logh , \c logp and \c dlpsdlh .
*/
void read_table() ;
public :
/// Comparison operator (egality)
virtual bool operator==(const Eos& ) const ;
/// Comparison operator (difference)
virtual bool operator!=(const Eos& ) const ;
/** Returns a number to identify the sub-classe of \c Eos the
* object belongs to.
*/
virtual int identify() const ;
// Outputs
// -------
public:
virtual void sauve(FILE* ) const ; ///< Save in a file
protected:
virtual ostream& operator>>(ostream &) const ; ///< Operator >>
// Computational functions
// -----------------------
public:
/** Computes the magnetisation.
*/
double mag_ent_p(double ent, const Param* par=0x0) const ;
/** Computes the baryon density from the log-enthalpy.
*
* @param ent [input, unit: \f$c^2\f$] log-enthalpy \e H
*
* @return baryon density \e n [unit: \f$n_{\rm nuc} := 0.1 \ {\rm fm}^{-3}\f$]
*
*/
virtual double nbar_ent_p(double ent, const Param* par=0x0) const ;
/** Computes the total energy density from the log-enthalpy.
*
* @param ent [input, unit: \f$c^2\f$] log-enthalpy \e H
*
* @return energy density \e e [unit: \f$\rho_{\rm nuc} c^2\f$], where
* \f$\rho_{\rm nuc} := 1.66\ 10^{17} \ {\rm kg/m}^3\f$
*/
virtual double ener_ent_p(double ent, const Param* par=0x0) const ;
/** Computes the pressure from the log-enthalpy.
*
* @param ent [input, unit: \f$c^2\f$] log-enthalpy \e H
*
* @return pressure \e p [unit: \f$\rho_{\rm nuc} c^2\f$], where
* \f$\rho_{\rm nuc} := 1.66\ 10^{17} \ {\rm kg/m}^3\f$
*/
virtual double press_ent_p(double ent, const Param* par=0x0) const ;
/** Computes the logarithmic derivative \f$d\ln n/d\ln H\f$
* from the log-enthalpy.
*
* @param ent [input, unit: \f$c^2\f$] log-enthalpy \e H
*
* @return dln(n)/dln(H)
*/
virtual double der_nbar_ent_p(double ent, const Param* par=0x0) const ;
/** Computes the logarithmic derivative \f$d\ln e/d\ln H\f$
* from the log-enthalpy.
*
* @param ent [input, unit: \f$c^2\f$] log-enthalpy \e H
*
* @return dln(e)/dln(H)
*/
virtual double der_ener_ent_p(double ent, const Param* par=0x0) const ;
/** Computes the logarithmic derivative \f$d\ln p/d\ln H\f$
* from the log-enthalpy.
*
* @param ent [input, unit: \f$c^2\f$] log-enthalpy \e H
*
* @return dln(p)/dln(H)
*/
virtual double der_press_ent_p(double ent, const Param* par=0x0) const ;
/** Computes the logarithmic derivative \f$d\ln p/d\ln n\f$
* from the log-enthalpy.
*
* @param ent [input, unit: \f$c^2\f$] log-enthalpy \e H
*
* @return dln(p)/dln(n)
*/
virtual double der_press_nbar_p(double ent, const Param* par=0x0) const ;
};
}
#endif
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