Commit 54a30962 authored by Axel Kohlmeyer's avatar Axel Kohlmeyer
Browse files

do not allow single bond/angle/dihedral definitions with illegal atom ID combinations

parent 5e9d257e
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+7 −0
Original line number Diff line number Diff line
@@ -75,6 +75,8 @@ void CreateBonds::command(int narg, char **arg)
    btype = force->inumeric(FLERR,arg[1]);
    batom1 = force->tnumeric(FLERR,arg[2]);
    batom2 = force->tnumeric(FLERR,arg[3]);
    if (batom1 == batom2)
      error->all(FLERR,"Illegal create_bonds command");
    iarg = 4;
  } else if (strcmp(arg[0],"single/angle") == 0) {
    style = SANGLE;
@@ -83,6 +85,8 @@ void CreateBonds::command(int narg, char **arg)
    aatom1 = force->tnumeric(FLERR,arg[2]);
    aatom2 = force->tnumeric(FLERR,arg[3]);
    aatom3 = force->tnumeric(FLERR,arg[4]);
    if ((aatom1 == aatom2) || (aatom1 == aatom3) || (aatom2 == aatom3))
      error->all(FLERR,"Illegal create_bonds command");
    iarg = 5;
  } else if (strcmp(arg[0],"single/dihedral") == 0) {
    style = SDIHEDRAL;
@@ -92,6 +96,9 @@ void CreateBonds::command(int narg, char **arg)
    datom2 = force->tnumeric(FLERR,arg[3]);
    datom3 = force->tnumeric(FLERR,arg[4]);
    datom4 = force->tnumeric(FLERR,arg[5]);
    if ((datom1 == datom2) || (datom1 == datom3) || (datom1 == datom4) ||
        (datom2 == datom3) || (datom2 == datom4) || (datom3 == datom4))
      error->all(FLERR,"Illegal create_bonds command");
    iarg = 6;
  } else error->all(FLERR,"Illegal create_bonds command");