git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@2102 f3b2605a-c512-4ea7-a41b-209d697bcdaa

2008-09-08 14:48:43 +00:00
parent 82f5d88fca
commit 1a27a22b6a
1 changed files with 3 additions and 0 deletions
--- a/src/fix_rigid.cpp
+++ b/src/fix_rigid.cpp
@ -278,6 +278,9 @@ void FixRigid::init()

  triclinic = domain->triclinic;

+  if (atom->mass == NULL)
+    error->all("Cannot use fix rigid without per-type mass defined");
+
  // warn if more than one rigid fix

  int count = 0;