avoid segfault when trying to apply (strict) pbc or convert to/from fractional coordinates on an MPI rank without atoms

2021-08-26 07:10:47 -04:00
parent 84896fc7d4
commit a7f4bbffcf
2 changed files with 9 additions and 4 deletions
--- a/src/domain.cpp
+++ b/src/domain.cpp
@ -528,10 +528,11 @@ void Domain::reset_box()

 void Domain::pbc()
 {
+  int nlocal = atom->nlocal;
+  if (!nlocal) return;
  int i;
  imageint idim,otherdims;
  double *lo,*hi,*period;
-  int nlocal = atom->nlocal;
  double **x = atom->x;
  double **v = atom->v;
  int *mask = atom->mask;