int getNbGauss( const int iSub=0 ) const;
const Group* getSupport( const int iSub=0 ) const;
int setValues( double * valPtr, const int iSub, const int elemShift=0 ) const;
int getNbGauss( const int iSub=0 ) const;
const Group* getSupport( const int iSub=0 ) const;
int setValues( double * valPtr, const int iSub, const int elemShift=0 ) const;