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-rw-r--r--doc/documentation.tex9
1 files changed, 6 insertions, 3 deletions
diff --git a/doc/documentation.tex b/doc/documentation.tex
index 8e5a333..34abbb5 100644
--- a/doc/documentation.tex
+++ b/doc/documentation.tex
@@ -601,9 +601,12 @@ The following parameters may be used to query the molecule size:
CCTK_INT const interp_molecule_min_m[N_dims];
CCTK_INT const interp_molecule_max_m[N_dims];
\end{verbatim}
-The semantics of these are that if these keys are present (the values
-don't matter), then the interpolator will (re)set the values to give
-the (inclusive) minimum and maximum \verb|m|~molecule coordinates.
+The semantics of these are that if both of these keys are present
+(the values don't matter), then the interpolator will (re)set the
+values to give the (inclusive) minimum and maximum \verb|m|~molecule
+coordinates. (Note that either both of these keys should be present,
+or neither should be present. This simplifies the logic in the
+interpolator slightly.)
The following parameter may be used to query the molecule positions:
\begin{verbatim}