avoid 32-bit integer overflow

2020-09-25 17:31:49 -04:00
parent 28812b1ea7
commit e378532003
1 changed files with 3 additions and 3 deletions
--- a/src/reset_atom_ids.cpp
+++ b/src/reset_atom_ids.cpp
@ -368,9 +368,9 @@ void ResetIDs::sort()
  // bins are numbered from 0 to Nbins-1

  bigint nbins = (bigint) nbinx*nbiny*nbinz;
-  int nlo = nbins / nprocs;
-  int nhi = nlo + 1;
-  int nplo = nprocs - (nbins % nprocs);
+  bigint nlo = nbins / nprocs;
+  bigint nhi = nlo + 1;
+  bigint nplo = nprocs - (nbins % nprocs);
  bigint nbinlo = nplo*nlo;

  if (me < nplo) {