message: static_cast<double> instead of (double)
diff: @@ -730,7 +730,7 @@ namespace RINGMesh {
  }
  ringmesh_assert( nb_vertices > 0 ) ;
  - return result / (double) nb_vertices ;
  + return result / static_cast<double>( nb_vertices ) ;
  }
  /*!
  * Compute the non weighted barycenter of the \param cell_id
  