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-rw-r--r--src/GRHydro_RegisterVars.cc12
1 files changed, 8 insertions, 4 deletions
diff --git a/src/GRHydro_RegisterVars.cc b/src/GRHydro_RegisterVars.cc
index 1f6ab78..bb89899 100644
--- a/src/GRHydro_RegisterVars.cc
+++ b/src/GRHydro_RegisterVars.cc
@@ -93,9 +93,11 @@ extern "C" void GRHydro_Register(CCTK_ARGUMENTS)
CCTK_WARN(0, "Don't recognize the type of EOS!");
// lapse, metric, curv
- register_saveandrestore("admbase::lapse");
- register_saveandrestore("admbase::metric");
- register_saveandrestore("admbase::curv");
+ if(GRHydro_MaxNumSandRVars != 0) { // hack to save some memory since we "know" that someone else will register these as constrained
+ register_saveandrestore("admbase::lapse");
+ register_saveandrestore("admbase::metric");
+ register_saveandrestore("admbase::curv");
+ }
// shift
if (!CCTK_EQUALS(initial_shift, "none"))
@@ -106,8 +108,10 @@ extern "C" void GRHydro_Register(CCTK_ARGUMENTS)
register_evolved("GRHydro::GRHydro_coords",
"GRHydro::GRHydro_coords_rhs");
}
- else
+ else if(GRHydro_MaxNumSandRVars != 0) // hack to save some memory since we "know" that someone else will register these as constrained
+ {
register_saveandrestore("admbase::shift");
+ }
}
// tracer