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Diffstat (limited to 'doc/documentation.tex')
| -rw-r--r-- | doc/documentation.tex | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/doc/documentation.tex b/doc/documentation.tex index 2883518..c1e2723 100644 --- a/doc/documentation.tex +++ b/doc/documentation.tex @@ -520,8 +520,9 @@ Interpolation Operator & Order & Size \subsection{Handling of Grid Boundaries} \label{AEIThorns/AEILocalInterp/sect-grid-boundaries} -Near grid boundaries and/or excised points the interpolator can either -off-center the interpolation molecules, or refuse to interpolate +If an interpolation point is too near a grid boundary and/or an +excised region the interpolator can either off-center the interpolation +molecule, or refuse to interpolate that point (returning a \verb|CCTK_INTERP_ERROR_POINT_OUTSIDE|\,%%% \footnote{%%% For backwards compatability the error code @@ -529,8 +530,9 @@ off-center the interpolation molecules, or refuse to interpolate is also defined; it's a synonym for {\tt CCTK\_INTERP\_ERROR\_POINT\_OUTSIDE}. }%%% -{} or \verb|CCTK_INTERP_ERROR_POINT_EXCISED| error code). This behavior -is controlled by the (optional) parameter-table entries +{} or \verb|CCTK_INTERP_ERROR_POINT_EXCISED| error code, and possibly +also printing a warning message). This behavior is controlled by the +(optional) parameter-table entries \begin{verbatim} const CCTK_INT N_boundary_points_to_omit[2*N_dims] const CCTK_REAL boundary_off_centering_tolerance[2*N_dims] @@ -814,6 +816,18 @@ This would leave Lagrange interpolation unchanged, while for Hermite interpolation the defaults would forbid any significant off-centering of the interpolation molecules.] +%%%%%%%%%%%%%%%%%%%% + +\subsubsection{Suppressing Warning Messages about Off-Centering} + +By default, \thorn{AEILocalInterp} prints a Cactus level~1 warning +message for each interpolation point which causes it to return a +\verb|CCTK_INTERP_ERROR_POINT_OUTSIDE| or +\verb|CCTK_INTERP_ERROR_POINT_EXCISED| error code. If the key +\verb|suppress_warnings| is present in the parameter table +(it may have any datatype and value), then these messages are +not printed. + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% \subsection{Per-Point Status Reporting} |