1 files changed, 1 insertions, 0 deletions
diff --git a/src/cell.h b/src/cell.h
index 23b28da5..b5d31fc6 100644
--- a/src/cell.h
+++ b/src/cell.h
@@ -102,5 +102,6 @@ extern UnitCell *match_cell_ab(UnitCell *cell, UnitCell *template);
 
 extern UnitCell *load_cell_from_pdb(const char *filename);
 
+extern int cell_is_sensible(UnitCell *cell);
 
 #endif	/* CELL_H */