Required newton on for pair styles body rounded/polygon and rounded/polyhedron

doc/src/pair_body_rounded_polygon.txt

@@ -93,9 +93,6 @@ These pair styles are part of the BODY package.  They are only enabled
 if LAMMPS was built with that package.  See the "Making
 LAMMPS"_Section_start.html#start_3 section for more info.
 
-NOTE: is there a newton on or off requirement for using this pair style?
-If so, say something like this:
-
 This pair style requires the "newton"_newton.html setting to be "on"
 for pair interactions.
 

doc/src/pair_body_rounded_polyhedron.txt

@@ -94,9 +94,6 @@ These pair styles are part of the BODY package.  They are only enabled
 if LAMMPS was built with that package.  See the "Making
 LAMMPS"_Section_start.html#start_3 section for more info.
 
-NOTE: is there a newton on or off requirement for using this pair style?
-If so, say something like this:
-
 This pair style requires the "newton"_newton.html setting to be "on"
 for pair interactions.
 

src/BODY/pair_body_rounded_polygon.cpp

@@ -428,6 +428,10 @@ void PairBodyRoundedPolygon::init_style()
                "body style rounded/polygon");
   bptr = (BodyRoundedPolygon *) avec->bptr;
 
+  if (force->newton_pair == 0)
+    error->all(FLERR,"Pair style body/rounded/polygon requires "
+               "newton pair on");
+
   if (comm->ghost_velocity == 0)
     error->all(FLERR,"Pair body/rounded/polygon requires "
                "ghost atoms store velocity");

src/BODY/pair_body_rounded_polyhedron.cpp

@@ -400,6 +400,10 @@ void PairBodyRoundedPolyhedron::init_style()
                "body style rounded/polyhedron");
   bptr = (BodyRoundedPolyhedron *) avec->bptr;
 
+  if (force->newton_pair == 0)
+    error->all(FLERR,"Pair style body/rounded/polyhedron requires "
+               "newton pair on");
+
   if (comm->ghost_velocity == 0)
     error->all(FLERR,"Pair body/rounded/polyhedron requires "
                "ghost atoms store velocity");