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* Definition of Lorene class Mtbl_cf
*
*/
/*
* Copyright (c) 1999-2000 Jean-Alain Marck
* Copyright (c) 1999-2005 Eric Gourgoulhon
* Copyright (c) 1999-2001 Philippe Grandclement
* Copyright (c) 1999-2001 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 __MTBL_CF_H_
#define __MTBL_CF_H_
/*
* $Id: mtbl_cf.h,v 1.10 2014/10/13 08:52:36 j_novak Exp $
* $Log: mtbl_cf.h,v $
* Revision 1.10 2014/10/13 08:52:36 j_novak
* Lorene classes and functions now belong to the namespace Lorene.
*
* Revision 1.9 2006/06/06 14:56:59 j_novak
* Summation functions for angular coefficients at xi=+/-1.
*
* Revision 1.8 2005/04/04 21:30:42 e_gourgoulhon
* Added argument lambda to method poisson_angu
* to treat the generalized angular Poisson equation:
* Lap_ang u + lambda u = source.
*
* Revision 1.7 2004/03/22 13:12:42 j_novak
* Modification of comments to use doxygen instead of doc++
*
* Revision 1.6 2003/11/06 14:43:37 e_gourgoulhon
* Gave a name to const arguments in certain method prototypes (e.g.
* constructors) to correct a bug of DOC++.
*
* Revision 1.5 2003/10/19 19:44:41 e_gourgoulhon
* Introduced new method display (to replace the old affiche_seuil).
*
* Revision 1.4 2003/10/15 21:09:22 e_gourgoulhon
* Added method poisson_regu.
*
* Revision 1.3 2002/09/13 09:17:33 j_novak
* Modif. commentaires
*
* Revision 1.2 2002/06/17 14:05:17 j_novak
* friend functions are now also declared outside the class definition
*
* Revision 1.1.1.1 2001/11/20 15:19:27 e_gourgoulhon
* LORENE
*
* Revision 2.28 2000/09/11 13:52:21 eric
* Ajout des methodes mult_cp() et mult_sp().
*
* Revision 2.27 2000/08/16 10:42:54 eric
* Suppression du membre dzpuis.
*
* Revision 2.26 2000/08/04 11:41:52 eric
* Ajout de l'operateur (int l) et de la fonction set(int l) pour l'acces
* individuel aux Tbl.
*
* Revision 2.25 2000/03/06 10:26:24 eric
* Ajout des fonctions val_point_symy, val_point_asymy.
*
* Revision 2.24 2000/02/25 13:53:44 eric
* Suppression de la fonction nettoie().
*
* Revision 2.23 1999/12/29 13:11:34 eric
* Ajout de la fonction val_point_jk.
*
* Revision 2.22 1999/12/07 14:51:52 eric
* Changement ordre des arguments (phi,theta,xi) --> (xi,theta,phi)
* dans la routine val_point.
*
* Revision 2.21 1999/12/06 16:45:48 eric
* Ajout de la fonction val_point.
*
* Revision 2.20 1999/11/23 14:30:12 novak
* Ajout des membres mult_ct et mult_st
*
* Revision 2.19 1999/11/16 13:06:22 novak
* Ajout de mult_x et scost
*
* Revision 2.18 1999/10/29 15:07:10 eric
* Suppression des fonctions membres min() et max():
* elles deviennent des fonctions externes.
* Ajout de fonctions mathematiques (abs, norme, etc...).
*
* Revision 2.17 1999/10/21 13:42:00 eric
* *** empty log message ***
*
* Revision 2.16 1999/10/21 12:49:13 eric
* Ajout de la fonction membre nettoie().
*
* Revision 2.15 1999/10/18 15:06:50 eric
* La fonction membre annule() est rebaptisee annule_hard().
* Introduction de la fonction membre annule(int, int).
*
* Revision 2.14 1999/10/18 13:39:13 eric
* Suppression de l'argument base dans les routines de derivation.
*
* Revision 2.13 1999/10/13 15:49:22 eric
* Ajout du membre base.
* Modification des constructeurs (la base doit etre passee en argument).
*
* Revision 2.12 1999/10/01 14:49:19 eric
* Depoussierage.
* Documentation.
*
* Revision 2.11 1999/09/07 14:33:43 phil
* ajout de la fonction ssint(int*)
*
* Revision 2.10 1999/04/26 17:02:40 phil
* ajout de sx2(int*)
*
* Revision 2.9 1999/04/26 16:24:02 phil
* ajout de mult2_xm1_zec(int*)
*
* Revision 2.8 1999/04/26 16:12:27 phil
* ajout de mult_xm1_zec(int *)
*
* Revision 2.7 1999/04/26 15:48:43 phil
* ajout de sxm1_zec(int*)
*
* Revision 2.6 1999/04/26 14:50:30 phil
* ajout de sx(int*)
*
* Revision 2.5 1999/04/26 12:19:38 phil
* ajout lapang
*
* Revision 2.4 1999/03/03 10:32:44 hyc
* *** empty log message ***
*
* Revision 2.3 1999/03/02 18:55:00 eric
* Ajout de la fonction affiche_seuil.
*
*
* $Header: /cvsroot/Lorene/C++/Include/mtbl_cf.h,v 1.10 2014/10/13 08:52:36 j_novak Exp $
*
*/
// Headers Lorene
#include "tbl.h"
#include "base_val.h"
#include "grilles.h"
namespace Lorene {
class Mg3d ;
/**
* Coefficients storage for the multi-domain spectral method.
*
* This class is essentially an array (on the various physical domains)
* of \c Tbl specially designed for
* storage of the coefficients of the spectral expansions in each domain.
* It is intended to be
* used in conjunction with the class \c Mtbl (see class \c Valeur ).
* A difference between a \c Mtbl and a \c Mtbl_cf , both defined one
* the same grid \c Mg3d , is that each \c Tbl of the \c Mtbl_cf
* has 2 more elements in the \f$\phi\f$-dimension (Dim_tbl::dim[2]) than the
* corresponding \c Tbl of the \c Mtbl .
* A \c Mbl_cf is initialy created with a \e logical state \c ETATZERO .
* Arithmetic operations are provided with the usual meaning (see
* below).
*
* \ingroup (spec)
*/
class Mtbl_cf {
// Data :
// -----
private:
/// Pointer on the multi-grid \c Mgd3 on which \c this is defined
const Mg3d* mg ;
/// Number of domains (zones)
int nzone ;
/// Logical state (\c ETATNONDEF , \c ETATQCQ or \c ETATZERO ).
int etat ;
public:
/// Bases of the spectral expansions
Base_val base ;
/** Array (size \c nzone ) of pointers on the \c Tbl 's which
* contain the spectral coefficients in each domain
*/
Tbl** t ;
// Constructors - Destructor
// -------------------------
public:
/// Constructor
Mtbl_cf(const Mg3d& mgrid, const Base_val& basis) ;
/// Constructor
Mtbl_cf(const Mg3d* p_mgrid, const Base_val& basis) ;
/// Constructor from a file (see \c sauve(FILE*) )
Mtbl_cf(const Mg3d&, FILE* ) ;
/// Copy constructor
Mtbl_cf(const Mtbl_cf& ) ;
/// Destructor
~Mtbl_cf() ;
// Assignement
// -----------
/// Assignement to another \c Mtbl_cf
void operator=(const Mtbl_cf& ) ;
/// Assignement to a \c double
void operator=(double ) ;
/// Assignement to a \c int
void operator=(int ) ;
// Memory management
// -----------------
private:
/** Logical destructor: dellocates the memory occupied by the \c Tbl
* array \c t .
*/
void del_t() ;
public:
/**
* Sets the logical state to \c ETATNONDEF (undefined).
* Deallocates the memory occupied by the \c Tbl array \c t .
*/
void set_etat_nondef() ;
/**
* Sets the logical state to \c ETATZERO (zero).
* Deallocates the memory occupied by the \c Tbl array \c t .
*/
void set_etat_zero() ;
/**
* Sets the logical state to \c ETATQCQ (ordinary state).
* If the state (member \c etat ) is already \c ETATQCQ , this
* function does nothing. Otherwise, it performs the memory allocation
* for the \c Tbl array \c t .
*/
void set_etat_qcq() ;
/**
* Sets the \c Mtbl_cf to zero in a hard way.
* 1/ Sets the logical state to \c ETATQCQ , i.e. to an ordinary state.
* 2/ Allocates the memory of the \c Tbl array \c t , and fills it
* with zeros. NB: this function must be used for debugging purposes only.
* For other operations, the functions \c set_etat_zero()
* or \c annule(int, int) must be perferred.
*/
void annule_hard() ;
/**
* Sets the \c Mtbl_cf to zero in some domains.
* @param l_min [input] The \c Mtbl_cf will be set (logically) to zero
* in the domains whose indices are in the range
* \c [l_min, l_max] .
* @param l_max [input] see the comments for \c l_min .
*
* Note that \c annule(0, nzone-1) is equivalent to
* \c set_etat_zero() .
*/
void annule(int l_min, int l_max) ;
// Access to individual elements
// -----------------------------
public:
/**
* Read/write of the \c Tbl containing the coefficients
* in a given domain.
* @param l [input] domain index
*/
Tbl& set(int l) {
assert(l < nzone) ;
assert(etat == ETATQCQ) ;
return *(t[l]) ;
};
/**
* Read-only of the \c Tbl containing the coefficients
* in a given domain.
* @param l [input] domain index
*/
const Tbl& operator()(int l) const {
assert(l < nzone) ;
assert(etat == ETATQCQ) ;
return *(t[l]) ;
};
/** Read/write of a particular element.
* @param l [input] domain index
* @param k [input] \f$\phi\f$ index
* @param j [input] \f$\theta\f$ index
* @param i [input] \e r (\f$\xi\f$) index
*/
double& set(int l, int k, int j, int i) {
assert(l < nzone) ;
assert(etat == ETATQCQ) ;
return (t[l])->set(k, j, i) ;
};
/** Read-only of a particular element.
* @param l [input] domain index
* @param k [input] \f$\phi\f$ index
* @param j [input] \f$\theta\f$ index
* @param i [input] \e r (\f$\xi\f$) index
*/
double operator()(int l, int k, int j, int i) const {
assert(etat != ETATNONDEF) ;
assert(l < nzone) ;
if (etat == ETATZERO) {
double zero = 0. ;
return zero ;
}
else return (*t[l])(k, j, i) ;
};
/** Computes the value of the field represented by \c *this at an
* arbitrary point, by means of the spectral expansion.
* @param l [input] index of the domain
* @param x [input] value of the coordinate \f$\xi\f$
* @param theta [input] value of the coordinate \f$\theta'\f$
* @param phi [input] value of the coordinate \f$\phi'\f$
* @return value at the point \f$(\xi, \theta', \phi')\f$ in
* the domain no. \e l of the field whose spectral coefficients
* are stored in \c *this .
*/
double val_point(int l, double x, double theta, double phi) const ;
/** Computes the value of the field represented by \c *this at an
* arbitrary point, by means of the spectral expansion.
* Case where the field is symmetric with respect to the y=0 plane.
* @param l [input] index of the domain
* @param x [input] value of the coordinate \f$\xi\f$
* @param theta [input] value of the coordinate \f$\theta'\f$
* @param phi [input] value of the coordinate \f$\phi'\f$
* @return value at the point \f$(\xi, \theta', \phi')\f$ in
* the domain no. \e l of the field whose spectral coefficients
* are stored in \c *this .
*/
double val_point_symy(int l, double x, double theta, double phi) const ;
/** Computes the value of the field represented by \c *this at an
* arbitrary point, by means of the spectral expansion.
* Case where the field is antisymmetric with respect to the y=0 plane.
* @param l [input] index of the domain
* @param x [input] value of the coordinate \f$\xi\f$
* @param theta [input] value of the coordinate \f$\theta'\f$
* @param phi [input] value of the coordinate \f$\phi'\f$
* @return value at the point \f$(\xi, \theta', \phi')\f$ in
* the domain no. \e l of the field whose spectral coefficients
* are stored in \c *this .
*/
double val_point_asymy(int l, double x, double theta, double phi) const ;
/** Computes the value of the field represented by \c *this at an
* arbitrary point in \f$\xi\f$, but collocation point in
* \f$(\theta', \phi')\f$, by means of the spectral expansion.
* @param l [input] index of the domain
* @param x [input] value of the coordinate \f$\xi\f$
* @param j [input] index of the collocation point in \f$\theta'\f$
* @param k [input] index of the collocation point in \f$\phi'\f$
* @return value at the point
* \f$(\xi, {\theta'}_j, {\phi'}_k)\f$ in
* the domain no. \e l of the field whose spectral coefficients
* are stored in \c *this .
*/
double val_point_jk(int l, double x, int j, int k) const ;
/** Computes the value of the field represented by \c *this at an
* arbitrary point in \f$\xi\f$, but collocation point in
* \f$(\theta', \phi')\f$, by means of the spectral expansion.
* Case where the field is symmetric with respect to the y=0 plane.
* @param l [input] index of the domain
* @param x [input] value of the coordinate \f$\xi\f$
* @param j [input] index of the collocation point in \f$\theta'\f$
* @param k [input] index of the collocation point in \f$\phi'\f$
* @return value at the point
* \f$(\xi, {\theta'}_j, {\phi'}_k)\f$ in
* the domain no. \e l of the field whose spectral coefficients
* are stored in \c *this .
*/
double val_point_jk_symy(int l, double x, int j, int k) const ;
/** Computes the value of the field represented by \c *this at an
* arbitrary point in \f$\xi\f$, but collocation point in
* \f$(\theta', \phi')\f$, by means of the spectral expansion.
* Case where the field is antisymmetric with respect to the y=0 plane.
* @param l [input] index of the domain
* @param x [input] value of the coordinate \f$\xi\f$
* @param j [input] index of the collocation point in \f$\theta'\f$
* @param k [input] index of the collocation point in \f$\phi'\f$
* @return value at the point
* \f$(\xi, {\theta'}_j, {\phi'}_k)\f$ in
* the domain no. \e l of the field whose spectral coefficients
* are stored in \c *this .
*/
double val_point_jk_asymy(int l, double x, int j, int k) const ;
/** Computes the angular coefficient of index \c j,k of the field
* represented by \c *this at \f$\xi = 1 \f$ by means of the spectral expansion.
* @param l [input] index of the domain
* @param j [input] index in \f$\theta\f$-direction
* @param k [input] index in \f$\phi\f$-direction
* @return coefficient at the boundary \f$\xi = 1\f$
* in the domain no. \e l of the field whose spectral coefficients
* are stored in \c *this .
*/
double val_out_bound_jk(int l, int j, int k) const ;
/** Computes the angular coefficient of index \c j,k of the field
* represented by \c *this at \f$\xi = -1 \f$ by means of the
* spectral expansion. Not defined in the nucleus.
* @param l [input] index of the domain
* @param j [input] index in \f$\theta\f$-direction
* @param k [input] index in \f$\phi\f$-direction
* @return coefficient at the boundary \f$\xi = -1\f$
* in the domain no. \e l of the field whose spectral coefficients
* are stored in \c *this .
*/
double val_in_bound_jk(int l, int j, int k) const ;
// Extraction of information
// -------------------------
public:
/// Returns the \c Mg3d on which the \c Mtbl_cf is defined
const Mg3d* get_mg() const { return mg ; };
/// Returns the logical state
int get_etat() const { return etat ; };
/// Returns the number of zones (domains)
int get_nzone() const { return nzone ; } ;
// Outputs
// -------
public:
/// Save in a file
void sauve(FILE *) const ;
/** Prints the coefficients whose values are greater than a given threshold,
* as well as the corresponding basis
* @param threshold [input] Value above which a coefficient is printed
* (default: 1.e-7)
* @param precision [input] Number of printed digits (default: 4)
* @param ostr [input] Output stream used for the printing (default: cout)
*/
void display(double threshold = 1.e-7, int precision = 4,
ostream& ostr = cout) const ;
/** Prints only the values greater than a given threshold.
* @param ostr [input] Output stream used for the printing
* @param precision [input] Number of printed digits (default: 4)
* @param threshold [input] Value above which an array element is printed
* (default: 1.e-7)
*/
void affiche_seuil(ostream& ostr, int precision = 4,
double threshold = 1.e-7) const ;
/// Display
friend ostream& operator<<(ostream& , const Mtbl_cf& ) ;
// Member arithmetics
// ------------------
public:
/// += Mtbl_cf
void operator+=(const Mtbl_cf & ) ;
/// -= Mtbl_cf
void operator-=(const Mtbl_cf & ) ;
/// *= double
void operator*=(double ) ;
/// /= double
void operator/=(double ) ;
// Linear operators
// ----------------
public:
/// \f${\partial \over \partial \xi} \f$
void dsdx() ;
/// \f${\partial^2\over \partial \xi^2} \f$
void d2sdx2() ;
/** \f${1 \over \xi} \f$ (\e r -sampling = \c RARE ) \\
* Id (\e r sampling = \c FIN ) \\
* \f${1 \over \xi-1} \f$ (\e r -sampling = \c UNSURR )
*/
void sx() ;
/** \f${1 \over \xi^2}\f$ (\e r -sampling = \c RARE ) \\
* Id (\e r sampling = \c FIN ) \\
* \f${1 \over (\xi-1)^2}\f$ (\e r -sampling = \c UNSURR )
*/
void sx2() ;
/** \f$\xi \, Id\f$ (\e r -sampling = \c RARE ) \\
* Id (\e r sampling = \c FIN ) \\
* \f$(\xi-1) \, Id \f$ (\e r -sampling = \c UNSURR )
*/
void mult_x() ;
/** Id (\e r sampling = \c RARE, FIN ) \\
* \f${1 \over (\xi-1)}\f$ (\e r -sampling = \c UNSURR )
*/
void sxm1_zec() ;
/** Id (\e r sampling = \c RARE, FIN ) \\
* \f$(\xi-1) \, Id\f$ (\e r -sampling = \c UNSURR )
*/
void mult_xm1_zec() ;
/** Id (\e r sampling = \c RARE, FIN ) \\
* \f$(\xi-1)^2 \, Id\f$ (\e r -sampling = \c UNSURR )
*/
void mult2_xm1_zec() ;
/// \f${\partial \over \partial \theta}\f$
void dsdt() ;
/// \f${\partial^2 \over \partial \theta^2}\f$
void d2sdt2() ;
/// \f$Id\over\sin\theta\f$
void ssint() ;
/// \f$Id\over\cos\theta\f$
void scost() ;
/// \f$\cos\theta \, Id\f$
void mult_ct() ;
/// \f$\sin\theta \, Id\f$
void mult_st() ;
/// \f${\partial \over \partial \phi}\f$
void dsdp() ;
/// \f${\partial^2 \over \partial \phi^2}\f$
void d2sdp2() ;
/// \f$\cos\phi \, Id\f$
void mult_cp() ;
/// \f$\sin\phi \, Id\f$
void mult_sp() ;
/// Angular Laplacian
void lapang() ;
// PDE resolution
//---------------
public:
/** Resolution of the generalized angular Poisson equation.
* The generalized angular Poisson equation is
* \f$\Delta_{\theta\varphi} u + \lambda u = \sigma\f$,
* where \f$\Delta_{\theta\varphi} u := \frac{\partial^2 u}
* {\partial \theta^2} + \frac{1}{\tan \theta} \frac{\partial u}
* {\partial \theta} +\frac{1}{\sin^2 \theta}\frac{\partial^2 u}
* {\partial \varphi^2}\f$.
*
* Before the call to \c poisson_angu() , \c *this contains the
* coefficients of the source \f$\sigma\f$; after the call, it contains the
* coefficients of the solution \f$u\f$.
*
* @param lambda [input] coefficient \f$\lambda\f$ in the above equation
* (default value = 0)
*/
void poisson_angu(double lambda = 0) ;
} ;
ostream& operator<<(ostream& , const Mtbl_cf& ) ;
/**
* \defgroup mtbl_cf_mat Mtbl_cf Mathematics
* \ingroup (spec)
*
* @{
*/
/// + Mtbl_cf
Mtbl_cf operator+(const Mtbl_cf& ) ;
/// \c - Mtbl_cf
Mtbl_cf operator-(const Mtbl_cf& ) ;
/// Mtbl_cf + Mtbl_cf
Mtbl_cf operator+(const Mtbl_cf&, const Mtbl_cf& ) ;
/// Mtbl_cf - Mtbl_cf
Mtbl_cf operator-(const Mtbl_cf&, const Mtbl_cf& ) ;
/// Mtbl_cf * double
Mtbl_cf operator*(const Mtbl_cf&, double ) ;
/// double * Mtbl_cf
Mtbl_cf operator*(double, const Mtbl_cf& ) ;
/// Mtbl_cf * int
Mtbl_cf operator*(const Mtbl_cf&, int ) ;
/// int * Mtbl_cf
Mtbl_cf operator*(int, const Mtbl_cf& ) ;
/// Mtbl_cf / double
Mtbl_cf operator/(const Mtbl_cf&, double ) ;
/// Mtbl_cf / int
Mtbl_cf operator/(const Mtbl_cf&, int ) ;
/// Absolute value
Mtbl_cf abs(const Mtbl_cf& ) ;
/**
* Maximum values of the \c Mtbl_cf elements in each domain.
* @return 1-D \c Tbl of size the number of domains, the elements of which
* are the set of the maximum values in each domain.
*/
Tbl max(const Mtbl_cf& ) ;
/**
* Minimum values of the \c Mtbl_cf elements in each domain.
* @return 1-D \c Tbl of size the number of domains, the elements of which
* are the set of the minimum values in each domain.
*/
Tbl min(const Mtbl_cf& ) ;
/**
* Sums of the absolute values of all the \c Mtbl_cf elements in each domain.
* @return 1-D \c Tbl of size the number of domains, the elements of which
* are the set of the sums of the absolute values in each domain.
*/
Tbl norme(const Mtbl_cf& ) ;
/**
* Relative difference between two \c Mtbl_cf (norme version).
* @return 1-D \c Tbl of size the number of domains, the elements of which
* are \c norme[a(l)-b(l)]/norme[b(l)] if \c b(l)!=0 and
* \c norme[a(l)-b(l)] if \c b(l)=0 , where \c a(l) and
* \c b(l) denote symbolically the values of \c a and \c b
* in domain no. \c l .
*/
Tbl diffrel(const Mtbl_cf& a, const Mtbl_cf& b) ;
/**
* Relative difference between two \c Mtbl_cf (max version).
* @return 1-D \c Tbl of size the number of domains, the elements of which
* are \c max[abs(a(l)-b(l))]/max[abs(b(l))] if \c b(l)!=0 and
* \c max[abs(a(l)-b(l))] if \c b(l)=0 , where \c a(l) and
* \c b(l) denote symbolically the values of \c a and \c b
* in domain no. \c l .
*/
Tbl diffrelmax(const Mtbl_cf& a, const Mtbl_cf& b) ;
/**@} */
}
#endif
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