Avoid checking region when not specified

2017-10-18 18:05:34 +02:00
parent f8f13d929f
commit 19eb5d3897
1 changed files with 1 additions and 1 deletions
--- a/src/fix_heat.cpp
+++ b/src/fix_heat.cpp
@ -127,7 +127,7 @@ void FixHeat::init()
  }

  // check for rigid bodies in region (done here for performance reasons)
-  if (modify->check_rigid_region_overlap(groupbit,domain->regions[iregion]))
+  if (iregion >= 0 && modify->check_rigid_region_overlap(groupbit,domain->regions[iregion]))
    error->warning(FLERR,"Cannot apply fix heat to atoms in rigid bodies");

  // cannot have 0 atoms in group