CarpetLib: Change API to obtain pointer to grid function data

Change the API to obtain a pointer to grid function data:
- Use a function "typed_data_pointer" instead of overloading the ()
  operator (because this looks nicer)
- Don't use a virtual function (because this isn't needed)
- Update all uses

1 files changed, 1 insertions, 1 deletions

diff --git a/Carpet/CarpetRegrid/src/automatic.cc b/Carpet/CarpetRegrid/src/automatic.cc
index 7248b732a..a524edae4 100644
--- a/Carpet/CarpetRegrid/src/automatic.cc
+++ b/Carpet/CarpetRegrid/src/automatic.cc
@@ -104,7 +104,7 @@ namespace CarpetRegrid {
       assert (! region.extent.empty());
       
       const data<CCTK_REAL>& errordata =
-        *dynamic_cast<const data<CCTK_REAL>*> (errorgf(tl,rl,c,ml));
+        *errorgf.typed_data_pointer(tl,rl,c,ml);
       
       Automatic_Recursive (cctkGH, hh, errordata, regl, region, reffact);
     }