eos_incomp.C
/*
* Methods of the class Eos_incomp.
*
* (see file eos.h for documentation).
*/
/*
* Copyright (c) 2000-2001 Eric Gourgoulhon
*
* 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
*
*/
char eos_incomp_C[] = "$Header: /cvsroot/Lorene/C++/Source/Eos/eos_incomp.C,v 1.6 2014/10/13 08:52:53 j_novak Exp $" ;
/*
* $Id: eos_incomp.C,v 1.6 2014/10/13 08:52:53 j_novak Exp $
* $Log: eos_incomp.C,v $
* Revision 1.6 2014/10/13 08:52:53 j_novak
* Lorene classes and functions now belong to the namespace Lorene.
*
* Revision 1.5 2014/10/06 15:13:06 j_novak
* Modified #include directives to use c++ syntax.
*
* Revision 1.4 2002/10/16 14:36:35 j_novak
* Reorganization of #include instructions of standard C++, in order to
* use experimental version 3 of gcc.
*
* Revision 1.3 2002/04/09 14:32:15 e_gourgoulhon
* 1/ Added extra parameters in EOS computational functions (argument par)
* 2/ New class MEos for multi-domain EOS
*
* Revision 1.2 2001/12/04 21:27:53 e_gourgoulhon
*
* All writing/reading to a binary file are now performed according to
* the big endian convention, whatever the system is big endian or
* small endian, thanks to the functions fwrite_be and fread_be
*
* Revision 1.1.1.1 2001/11/20 15:19:27 e_gourgoulhon
* LORENE
*
* Revision 2.4 2001/02/07 09:49:08 eric
* Suppression de la fonction derent_ent_p.
* Ajout des fonctions donnant les derivees de l'EOS:
* der_nbar_ent_p
* der_ener_ent_p
* der_press_ent_p
*
* Revision 2.3 2000/02/14 14:49:48 eric
* Modif affichage.
*
* Revision 2.2 2000/02/14 14:33:51 eric
* Ajout du constructeur par lecture de fichier formate.
*
* Revision 2.1 2000/01/21 15:18:15 eric
* Ajout des operateurs de comparaison == et !=
*
* Revision 2.0 2000/01/18 16:11:25 eric
* *** empty log message ***
*
*
* $Header: /cvsroot/Lorene/C++/Source/Eos/eos_incomp.C,v 1.6 2014/10/13 08:52:53 j_novak Exp $
*
*/
// Headers C
#include <cstdlib>
#include <cstring>
#include <cmath>
// Headers Lorene
#include "eos.h"
#include "cmp.h"
#include "utilitaires.h"
//--------------//
// Constructors //
//--------------//
// Standard constructor with ent0 = 1
// ---------------------------------
namespace Lorene {
Eos_incomp::Eos_incomp(double rho_c) :
Eos("EOS for relativistic incompressible matter"),
rho0(rho_c), ent0( double(-1.e-6) ) {}
// Standard constructor with ent0 specified
// ---------------------------------------
Eos_incomp::Eos_incomp(double rho_c, double ent_c) :
Eos("EOS for relativistic incompressible matter"),
rho0(rho_c), ent0( ent_c ) {
assert( ent_c <= double(0) ) ;
}
// Copy constructor
// ----------------
Eos_incomp::Eos_incomp(const Eos_incomp& eosi) :
Eos(eosi),
rho0(eosi.rho0), ent0(eosi.ent0) {}
// Constructor from a binary file
// ------------------------------
Eos_incomp::Eos_incomp(FILE* fich) :
Eos(fich) {
fread_be(&rho0, sizeof(double), 1, fich) ;
fread_be(&ent0, sizeof(double), 1, fich) ;
}
// Constructor from a formatted file
// ---------------------------------
Eos_incomp::Eos_incomp(ifstream& fich) :
Eos(fich) {
char blabla[80] ;
fich >> rho0 ; fich.getline(blabla, 80) ;
fich >> ent0 ; fich.getline(blabla, 80) ;
}
//--------------//
// Destructor //
//--------------//
Eos_incomp::~Eos_incomp(){
// does nothing
}
//--------------//
// Assignment //
//--------------//
void Eos_incomp::operator=(const Eos_incomp& eosi) {
set_name(eosi.name) ;
rho0 = eosi.rho0 ;
ent0 = eosi.ent0 ;
}
//------------------------//
// Comparison operators //
//------------------------//
bool Eos_incomp::operator==(const Eos& eos_i) const {
bool resu = true ;
if ( eos_i.identify() != identify() ) {
cout << "The second EOS is not of type Eos_incomp !" << endl ;
resu = false ;
}
else{
const Eos_incomp& eos = dynamic_cast<const Eos_incomp&>( eos_i ) ;
if (eos.rho0 != rho0) {
cout
<< "The two Eos_incomp have different rho0 : " << rho0 << " <-> "
<< eos.rho0 << endl ;
resu = false ;
}
if (eos.ent0 != ent0) {
cout
<< "The two Eos_incomp have different ent0 : " << ent0 << " <-> "
<< eos.ent0 << endl ;
resu = false ;
}
}
return resu ;
}
bool Eos_incomp::operator!=(const Eos& eos_i) const {
return !(operator==(eos_i)) ;
}
//------------//
// Outputs //
//------------//
void Eos_incomp::sauve(FILE* fich) const {
Eos::sauve(fich) ;
fwrite_be(&rho0, sizeof(double), 1, fich) ;
fwrite_be(&ent0, sizeof(double), 1, fich) ;
}
ostream& Eos_incomp::operator>>(ostream & ost) const {
ost << "EOS of class Eos_incomp (relativistic incompressible matter) : "
<< endl ;
ost << " Constant density : " << rho0 << " rho_nuc" << endl ;
ost << " Log-enthalpy threshold for non-zero density : " << ent0
<< " c^2" << endl ;
return ost ;
}
//------------------------------//
// Computational routines //
//------------------------------//
// Baryon density from enthalpy
//------------------------------
double Eos_incomp::nbar_ent_p(double ent, const Param* ) const {
if ( ent >= ent0 ) {
return rho0 ;
}
else{
return 0 ;
}
}
// Energy density from enthalpy
//------------------------------
double Eos_incomp::ener_ent_p(double ent, const Param* ) const {
if ( ent >= ent0 ) {
return rho0 ;
}
else{
return 0 ;
}
}
// Pressure from enthalpy
//------------------------
double Eos_incomp::press_ent_p(double ent, const Param* ) const {
if ( ent >= ent0 ) {
return rho0 * (exp(ent) - double(1)) ;
}
else{
return 0 ;
}
}
// dln(n)/ln(H) from enthalpy
//---------------------------
double Eos_incomp::der_nbar_ent_p(double ent, const Param* ) const {
if ( ent >= ent0 ) {
return 0 ;
}
else{
return 0 ;
}
}
// dln(e)/ln(H) from enthalpy
//---------------------------
double Eos_incomp::der_ener_ent_p(double ent, const Param* ) const {
if ( ent >= ent0 ) {
return 0 ;
}
else{
return 0 ;
}
}
// dln(p)/ln(H) from enthalpy
//---------------------------
double Eos_incomp::der_press_ent_p(double ent, const Param* ) const {
if ( ent >= ent0 ) {
return ent / (double(1) - exp(-ent)) ;
}
else{
return 0 ;
}
}
}
Lorene::Eos_incomp::~Eos_incomp
virtual ~Eos_incomp()
Destructor.
Definition eos_incomp.C:145
Lorene::Eos_incomp::Eos_incomp
Eos_incomp(double rho_c)
Standard constructor.
Definition eos_incomp.C:99
Lorene::Eos_incomp::ener_ent_p
virtual double ener_ent_p(double ent, const Param *par=0x0) const
Computes the total energy density from the log-enthalpy.
Definition eos_incomp.C:254
Lorene::Eos_incomp::der_nbar_ent_p
virtual double der_nbar_ent_p(double ent, const Param *par=0x0) const
Computes the logarithmic derivative from the log-enthalpy.
Definition eos_incomp.C:283
Lorene::Eos_incomp::operator=
void operator=(const Eos_incomp &)
Assignment to another Eos_incomp.
Definition eos_incomp.C:154
Lorene::Eos_incomp::operator>>
virtual ostream & operator>>(ostream &) const
Operator >>.
Definition eos_incomp.C:220
Lorene::Eos_incomp::sauve
virtual void sauve(FILE *) const
Save in a file.
Definition eos_incomp.C:211
Lorene::Eos_incomp::operator!=
virtual bool operator!=(const Eos &) const
Comparison operator (difference).
Definition eos_incomp.C:199
Lorene::Eos_incomp::der_ener_ent_p
virtual double der_ener_ent_p(double ent, const Param *par=0x0) const
Computes the logarithmic derivative from the log-enthalpy.
Definition eos_incomp.C:297
Lorene::Eos_incomp::nbar_ent_p
virtual double nbar_ent_p(double ent, const Param *par=0x0) const
Computes the baryon density from the log-enthalpy.
Definition eos_incomp.C:240
Lorene::Eos_incomp::operator==
virtual bool operator==(const Eos &) const
Comparison operator (egality).
Definition eos_incomp.C:167
Lorene::Eos_incomp::identify
virtual int identify() const
Returns a number to identify the sub-classe of Eos the object belongs to.
Definition eos_from_file.C:133
Lorene::Eos_incomp::der_press_ent_p
virtual double der_press_ent_p(double ent, const Param *par=0x0) const
Computes the logarithmic derivative from the log-enthalpy.
Definition eos_incomp.C:311
Lorene::Eos_incomp::press_ent_p
virtual double press_ent_p(double ent, const Param *par=0x0) const
Computes the pressure from the log-enthalpy.
Definition eos_incomp.C:268
Lorene::Eos_incomp::ent0
double ent0
Log-enthalpy threshold for setting the energy density to a non zero value (should be negative).
Definition eos.h:1218
Lorene::Eos_incomp::rho0
double rho0
Constant density .
Definition eos.h:1213
Lorene::Eos::identify
virtual int identify() const =0
Returns a number to identify the sub-classe of Eos the object belongs to.
Lorene::Eos::sauve
virtual void sauve(FILE *) const
Save in a file.
Definition eos.C:179
Lorene::Eos::Eos
Eos()
Standard constructor.
Definition eos.C:108
Lorene::Eos::name
char name[100]
EOS name.
Definition eos.h:196
Lorene::Eos::set_name
void set_name(const char *name_i)
Sets the EOS name.
Definition eos.C:163
Lorene::Param
Parameter storage.
Definition param.h:125
Lorene::exp
Cmp exp(const Cmp &)
Exponential.
Definition cmp_math.C:270
Lorene::fread_be
int fread_be(int *aa, int size, int nb, FILE *fich)
Reads integer(s) from a binary file according to the big endian convention.
Definition fread_be.C:69
Lorene::fwrite_be
int fwrite_be(const int *aa, int size, int nb, FILE *fich)
Writes integer(s) into a binary file according to the big endian convention.
Definition fwrite_be.C:70
Lorene
Lorene prototypes.
Definition app_hor.h:64