90 for (
int i=0; i<3; i++) {
91 for (
int j=i; j<3; j++) {
110 for (
int i=0; i<3; i++) {
111 for (
int j=0; j<3; j++) {
const Base_vect & ref_triad
Reference triad ("absolute frame"), with respect to which the components of all the member Tenseur 's...
void set_std_base()
Set the standard spectal basis of decomposition for each component.
Tenseur nnn
Total lapse function.
virtual void extrinsic_curvature()
Computes tkij_auto and akcar_auto from shift_auto , nnn and a_car .
Tenseur shift_auto
Part of the shift vector generated principaly by the star.
Cmp & set()
Read/write for a scalar (see also operator=(const Cmp&) ).
void change_triad(const Base_vect &new_triad)
Sets a new vectorial basis (triad) of decomposition and modifies the components accordingly.
Map & mp
Mapping associated with the star.
Tenseur contract(const Tenseur &, int id1, int id2)
Self contraction of two indices of a Tenseur .
Tenseur_sym tkij_auto
Part of the extrinsic curvature tensor generated by shift_auto .
Tenseur a_car
Total conformal factor .
const Base_vect_cart & get_bvect_cart() const
Returns the Cartesian basis associated with the coordinates (x,y,z) of the mapping, i.e.
void set_etat_qcq()
Sets the logical state to ETATQCQ (ordinary state).
Tenseur akcar_auto
Part of the scalar generated by shift_auto , i.e.
Tensor handling *** DEPRECATED : use class Tensor instead ***.
const Tenseur & gradient() const
Returns the gradient of *this (Cartesian coordinates)