Fix formatting in nbody benchmark.

benchmarks/progs/nbody/*.m:
    As above.

benchmarks/progs/nbody/nbody.m

@@ -41,7 +41,7 @@ main(!IO) :-
         io.format("%.9f\n", [f(energy(NBodySystem0))], !IO),
         int.fold_up(advance(0.01), 1, N, NBodySystem0, NBodySystem),
         io.format("%.9f\n", [f(energy(NBodySystem))], !IO)
-      else
+    else
         io.set_exit_status(1, !IO)
     ).
 
@@ -49,7 +49,7 @@ main(!IO) :-
 
 :- func new_n_body_system = (bodies::array_uo) is det.
 
-new_n_body_system = 
+new_n_body_system =
     offset_momentum(array([sun, jupiter, saturn, uranus, neptune])).
 
 :- func offset_momentum(bodies::array_di) = (bodies::array_uo) is det.
@@ -71,12 +71,12 @@ offset_momentum_2(Body, !Px, !Py, !Pz) :-
     !:Px = !.Px + Body ^ vx * Body ^ mass,
     !:Py = !.Py + Body ^ vy * Body ^ mass,
     !:Pz = !.Pz + Body ^ vz * Body ^ mass.
- 
+
 %-----------------------------------------------------------------------------%
 
 :- func energy(bodies::array_ui) = (float::out) is det.
 
-energy(Bodies) = Energy :- 
+energy(Bodies) = Energy :-
     int.fold_up(energy_2(Bodies), 0, Bodies ^ max, 0.0, Energy).
 
 :- pred energy_2(bodies::array_ui, int::in, float::in, float::out) is det.
@@ -89,7 +89,7 @@ energy_2(Bodies, I, !E) :-
 
 :- pred energy_3(bodies::array_ui, body::in, int::in,
     float::in, float::out) is det.
-    
+
 energy_3(Bodies, B, J, !E) :-
     B2 = Bodies ^ unsafe_elem(J),
     Dx = B ^ x - B2 ^ x,
@@ -142,7 +142,7 @@ advance_3(Dt, J, !B, !Bodies) :-
 
 update_pos(Dt, I, !Bodies) :-
     some [!Body] (
-        !:Body = !.Bodies ^ unsafe_elem(I), 
+        !:Body = !.Bodies ^ unsafe_elem(I),
         !Body ^ x := !.Body ^ x + Dt * !.Body ^ vx,
         !Body ^ y := !.Body ^ y + Dt * !.Body ^ vy,
         !Body ^ z := !.Body ^ z + Dt * !.Body ^ vz,

benchmarks/progs/nbody/nbody_foreign.m

@@ -6,14 +6,14 @@
 % http://shootout.alioth.debian.org/
 %
 % Author: Julien Fischer <juliensf@csse.unimelb.edu.au>
-% 
+%
 % A variant of the nbody benchmark in nbody.m that uses mutable data
 % structures defined in whatever the target language is.
 %
-% Compile with: -O5 --intermodule-optimization 
-% 
+% Compile with: -O5 --intermodule-optimization
+%
 % For C (gcc) add: --cflags="-O3 -mfpmath=sse -msse3"
-% 
+%
 % TODO: support Erlang.
 %
 %-----------------------------------------------------------------------------%
@@ -50,7 +50,7 @@ main(!IO) :-
         int.fold_up(advance(0.01, NBodySystem), 1, N, !IO),
         energy(NBodySystem, FinalEnergy, !IO),
         io.format("%.9f\n", [f(FinalEnergy)], !IO)
-      else
+    else
         io.set_exit_status(1, !IO)
     ).
 
@@ -105,7 +105,7 @@ energy_2(Bodies, I, !E, !IO) :-
 
 :- pred energy_3(bodies::array_ui, body_ref::in, int::in,
     float::in, float::out, io::di, io::uo) is det.
-    
+
 energy_3(Bodies, B, J, !E, !IO) :-
     B2 = Bodies ^ unsafe_elem(J),
     get_position(B, Bx, By, Bz, !IO),

benchmarks/progs/nbody/nbody_mutvar.m

@@ -46,7 +46,7 @@ main(!IO) :-
         int.fold_up(advance(0.01, NBodySystem), 1, N, !IO),
         energy(NBodySystem, FinalEnergy, !IO),
         io.format("%.9f\n", [f(FinalEnergy)], !IO)
-      else
+    else
         io.set_exit_status(1, !IO)
     ).
 
@@ -75,7 +75,7 @@ offset_momentum_2(Body, !Px, !Py, !Pz, !IO) :-
     !:Px = !.Px + Vx * Body ^ mass,
     !:Py = !.Py + Vy * Body ^ mass,
     !:Pz = !.Pz + Vz * Body ^ mass.
- 
+
 %-----------------------------------------------------------------------------%
 
 :- pred energy(bodies::array_ui, float::out, io::di, io::uo) is det.
@@ -95,7 +95,7 @@ energy_2(Bodies, I, !E, !IO) :-
 
 :- pred energy_3(bodies::array_ui, body::in, int::in,
     float::in, float::out, io::di, io::uo) is det.
-    
+
 energy_3(Bodies, B, J, !E, !IO) :-
     B2 = Bodies ^ unsafe_elem(J),
     get_position(B, Bx, By, Bz, !IO),
@@ -190,7 +190,7 @@ make_body(Body, MutBody, !IO) :-
                 vx   :: F,
                 vy   :: F,
                 vz   :: F,
-                mass :: float   % Mass is a constant. 
+                mass :: float   % Mass is a constant.
             ).
 
 :- pragma inline(get_position/6).

benchmarks/progs/nbody/nbody_ref.m

@@ -7,7 +7,7 @@
 %
 % Author: Julien Fischer <juliensf@csse.unimelb.edu.au>
 %
-% A variant of the nbody benchmark in nbody.m that uses stores and refernces.
+% A variant of the nbody benchmark in nbody.m that uses stores and references.
 %
 % Compile with: -O5 --intermodule-optimization --ctgc
 %