- if ( dim == 2 ) return( this->_GD0< 2 >( fname ) );
- else if( dim == 3 ) return( this->_GD0< 3 >( fname ) );
- else
- return( "MinimumSpanningTreeReader: invalid dimensions." );
+ if ( dim == 2 ) this->_GD0< 2 >( fname );
+ else if( dim == 3 ) this->_GD0< 3 >( fname );
+ else this->_Error( "Invalid dimensions." );