/*-------------------------------------------------------------------*/
bool NOMAD::SMesh::get_Delta ( NOMAD::Point & Delta ) const
{
Delta.reset ( _n );
// power_of_tau = tau^{ max{0,l0} - max{0,lk} + |lk|/2}:
NOMAD::Double power_of_tau
= pow ( _update_basis.value() , abs(_mesh_index) / 2.0 +
( (_initial_mesh_index > 0) ? _initial_mesh_index : 0) -
( (_mesh_index > 0) ? _mesh_index : 0) );
bool stop = true;
bool mps_def = _Delta_min.is_complete();
// Delta^k = power_of_tau * Delta^0:
for ( int i = 0 ; i < _n ; ++i )
{
Delta[i] = _Delta_0[i] * power_of_tau;
if ( !mps_def || Delta[i] >= _Delta_min[i] )
stop = false;
if ( _Delta_min.is_defined() && _Delta_min[i].is_defined() && Delta[i] < _Delta_min[i] )
Delta[i]=_Delta_min[i];
}
return stop;
}
/*----------------------------------------------------------------*/
bool NOMAD::SMesh::get_delta ( NOMAD::Point & delta ) const
{
delta.reset ( _n );
// power_of_tau = tau^{ max{0,l0} - max{0,lk} }:
NOMAD::Double power_of_tau
= pow ( _update_basis.value() ,
( (_initial_mesh_index > 0) ? _initial_mesh_index : 0) -
( (_mesh_index > 0) ? _mesh_index : 0) );
bool stop = false;
// delta^k = power_of_tau * delta^0:
for ( int i = 0 ; i < _n ; ++i )
{
delta[i] = _delta_0[i] * power_of_tau;
if ( !stop && _delta_min.is_defined() && delta[i] < _delta_min[i] )
stop = true;
}
return stop;
}