28 char diff_mx2_C[] =
"$Header: /cvsroot/Lorene/C++/Source/Diff/diff_mx2.C,v 1.4 2014/10/13 08:52:50 j_novak Exp $" ;
59 void mult2_xp1_1d(
int,
double **,
int) ;
82 tab[j*max_points+i] = 0x0 ;
100 if (nr_done[indice] ==
npoints) {
101 if (tab[
base*max_points + indice] != 0x0) done = true ;
104 if (nr_done[indice] == -1)
108 if (indice == max_points) {
109 cerr <<
"Diff_mx2::get_matrice() : no space left!!" <<
'\n' 110 <<
"The value of Diff.max_points must be increased..." << endl ;
118 double* vect =
new double[
npoints] ;
119 double* cres =
new double[
npoints] ;
120 for (
int i=0; i<
npoints; i++) {
125 mult2_xm1_1d_cheb(npoints, vect, cres) ;
127 resu.
set(j,i) = cres[j] ;
130 mult2_xp1_1d(npoints, &vect,
base <<
TRA_R) ;
132 resu.
set(j,i) = vect[j] ;
135 multx2_1d(npoints, &vect,
base <<
TRA_R) ;
137 resu.
set(j,i) = vect[j] ;
144 return *tab[
base*max_points + indice] ;
149 ost <<
" Multiplication by x^2 " << endl ;
Base (abstract) class for 1D spectral differential operators in one domain.
static const int max_points
Maximal number of matrices stored per base.
virtual const Matrice & get_matrice() const
Returns the matrix associated with the operator.
void operator=(const Diff_mx2 &)
Assignment to another Diff_mx2.
void initialize()
Initializes arrays.
#define R_JACO02
base de Jacobi(0,2) ordinaire (finjac)
Diff_mx2(int base_r, int nr)
Standard constructor.
int npoints
Number of coefficients.
#define TRA_R
Translation en R, used for a bitwise shift (in hex)
int base
Base in radial direction.
Class for the elementary differential operator multiplication by (see the base class Diff )...
void operator=(const Diff &)
Assignment to another Diff.
double & set(int j, int i)
Read/write of a particuliar element.
virtual ostream & operator>>(ostream &) const
Operator >> (virtual function called by the operator <<).
void set_etat_qcq()
Sets the logical state to ETATQCQ (ordinary state).
#define R_CHEBU
base de Chebychev ordinaire (fin), dev. en 1/r
virtual ~Diff_mx2()
Destructor.
#define MAX_BASE
Nombre max. de bases differentes.