git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@11196 f3b2605a-c512-4ea7-a41b-209d697bcdaa

src/force.cpp

@@ -568,6 +568,12 @@ void Force::set_special(int narg, char **arg)
 {
   if (narg == 0) error->all(FLERR,"Illegal special_bonds command");
 
+  // defaults
+
+  special_lj[1] = special_lj[2] = special_lj[3] = 0.0;
+  special_coul[1] = special_coul[2] = special_coul[3] = 0.0;
+  special_angle = special_dihedral = special_extra = 0;
+
   int iarg = 0;
   while (iarg < narg) {
     if (strcmp(arg[iarg],"amber") == 0) {