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-rw-r--r--src/maximal_slicing_axi_mg.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/maximal_slicing_axi_mg.c b/src/maximal_slicing_axi_mg.c
index 595f4b0..abefce5 100644
--- a/src/maximal_slicing_axi_mg.c
+++ b/src/maximal_slicing_axi_mg.c
@@ -690,6 +690,9 @@ void msa_mg_solve(CCTK_ARGUMENTS)
double *lapse_mg1;
+ if (reflevel == ms->nb_levels - 1 && timestep % 2)
+ return;
+
total_start = gettime();
LOGDEBUG( "solve lapse at rl=%d, t=%g; step %d\n", reflevel, t, timestep);