From 14251948f31eb678597c641b3fee51f1718fb61d Mon Sep 17 00:00:00 2001
From: dilkins <wilkinsd@outlook.com>
Date: Tue, 2 Oct 2018 10:18:40 +0200
Subject: [PATCH] LAMMPS coding conventions

---
 src/USER-MISC/fix_ffl.cpp | 656 ++++++++++++++++++--------------------
 1 file changed, 303 insertions(+), 353 deletions(-)

diff --git a/src/USER-MISC/fix_ffl.cpp b/src/USER-MISC/fix_ffl.cpp
index 29fce9b8ff..f6cf1b268e 100644
--- a/src/USER-MISC/fix_ffl.cpp
+++ b/src/USER-MISC/fix_ffl.cpp
@@ -17,7 +17,7 @@
 ------------------------------------------------------------------------- */
 
 /* ----------------------------------------------------------------------
-   Contributing authors: Lionel Constantin (EPFL), David M. Wilkins (EPFL), 
+   Contributing authors: Lionel Constantin (EPFL), David M. Wilkins (EPFL),
 			 Michele Ceriotti (EPFL)
 ------------------------------------------------------------------------- */
 
@@ -62,143 +62,132 @@ enum {CONSTANT,EQUAL,ATOM};
 
 
 FixFFL::FixFFL(LAMMPS *lmp, int narg, char **arg) :
-    Fix(lmp, narg, arg)
-{
-
-
-    if (narg < 7)
-        error->all(FLERR,"Illegal fix ffl command. Expecting: fix <fix-ID>"
-                   " <group-ID> ffl <tau> <Tstart> <Tstop> <seed>  ");
-
-    restart_peratom = 1;
-    time_integrate = 1;
-    scalar_flag = 1;
-
-    //gamma = 1/ time constant(tau)
-    if (force->numeric(FLERR,arg[3]) <= 0) 
-        error->all(FLERR,"Illegal fix ffl tau value, should be greater than 0");
-    gamma = 1.0/force->numeric(FLERR,arg[3]);
-    ffl_every=1;
-    ffl_step=0;
-
-    // start temperature (t ramp)
-    t_start = force->numeric(FLERR,arg[4]);
-
-    // final temperature (t ramp)
-    t_stop = force->numeric(FLERR,arg[5]);
-
-    // PRNG seed
-    int seed = force->inumeric(FLERR,arg[6]);
-
-    // Flip type used, uses rescale if no flip is given
-    if (narg == 8) {
-        if (strcmp(arg[7],"no_flip") == 0) {flip_int = 0;}
-	else if ((strcmp(arg[7],"rescale") == 0) {flip_int = 1;}
-	else if ((strcmp(arg[7],"hard") == 0) {flip_int = 2;}
-	else if ((strcmp(arg[7],"soft") == 0) {flip_int = 3;}
-	else {
-   	  error->all(FLERR,"Illegal fix ffl flip type, only accepts : rescale - hard - soft - no_flip");
-	}
+  Fix(lmp, narg, arg) {
+
+
+  if (narg < 7)
+    error->all(FLERR,"Illegal fix ffl command. Expecting: fix <fix-ID>"
+               " <group-ID> ffl <tau> <Tstart> <Tstop> <seed>  ");
+
+  restart_peratom = 1;
+  time_integrate = 1;
+  scalar_flag = 1;
+
+  //gamma = 1/ time constant(tau)
+  if (force->numeric(FLERR,arg[3]) <= 0)
+    error->all(FLERR,"Illegal fix ffl tau value, should be greater than 0");
+  gamma = 1.0/force->numeric(FLERR,arg[3]);
+  ffl_every=1;
+  ffl_step=0;
+
+  // start temperature (t ramp)
+  t_start = force->numeric(FLERR,arg[4]);
+
+  // final temperature (t ramp)
+  t_stop = force->numeric(FLERR,arg[5]);
+
+  // PRNG seed
+  int seed = force->inumeric(FLERR,arg[6]);
+
+  // Flip type used, uses rescale if no flip is given
+  if (narg == 8) {
+    if (strcmp(arg[7],"no_flip") == 0) {
+      flip_int = 0;
+    } else if (strcmp(arg[7],"rescale") == 0) {
+      flip_int = 1;
+    } else if (strcmp(arg[7],"hard") == 0) {
+      flip_int = 2;
+    } else if (strcmp(arg[7],"soft") == 0) {
+      flip_int = 3;
     } else {
-        flip_int = 1;
+      error->all(FLERR,"Illegal fix ffl flip type, only accepts : rescale - hard - soft - no_flip");
     }
+  } else {
+    flip_int = 1;
+  }
 
+  t_target=t_start;
+  const double kT = t_target * force->boltz / force->mvv2e;
 
 
-//    if ( strcmp(flip_type,"no_flip") == 0 ) flip_int = 0;
- //   if ( strcmp(flip_type,"rescale") == 0 ) flip_int = 1;
-  //  if ( strcmp(flip_type,"hard") == 0 ) flip_int = 2;
-  //  if ( strcmp(flip_type,"soft") == 0 ) flip_int = 3;
+  // initialize Marsaglia RNG with processor-unique seed
+  // NB: this means runs will not be the same with different numbers of processors
+  if (seed <= 0) error->all(FLERR,"Illegal fix ffl command");
+  random = new RanMars(lmp,seed + comm->me);
 
-    t_target=t_start;
-    const double kT = t_target * force->boltz / force->mvv2e;
+  // allocate per-type arrays for mass-scaling
+  sqrt_m=NULL;
+  memory->grow(sqrt_m, atom->ntypes+1,"ffl:sqrt_m");
 
+  // allocates space for temporaries
+  ffl_tmp1=ffl_tmp2=NULL;
 
-    // initialize Marsaglia RNG with processor-unique seed
-    // NB: this means runs will not be the same with different numbers of processors
-    if (seed <= 0) error->all(FLERR,"Illegal fix ffl command");
-    random = new RanMars(lmp,seed + comm->me);
+  grow_arrays(atom->nmax);
 
-    // allocate per-type arrays for mass-scaling
-    sqrt_m=NULL;
-    memory->grow(sqrt_m, atom->ntypes+1,"ffl:sqrt_m");
+  // add callbacks to enable restarts
+  atom->add_callback(0);
+  atom->add_callback(1);
 
-    // allocates space for temporaries
-    ffl_tmp1=ffl_tmp2=NULL;
-
-    grow_arrays(atom->nmax);
-
-    // add callbacks to enable restarts
-    atom->add_callback(0);
-    atom->add_callback(1);
-
-    energy = 0.0;
+  energy = 0.0;
 }
 
 
 /* --- Frees up memory used by temporaries and buffers ------------------ */
 
-FixFFL::~FixFFL()
-{
-    delete random;
+FixFFL::~FixFFL() {
+  delete random;
 
-    memory->destroy(sqrt_m);
-    memory->destroy(ffl_tmp1);
-    memory->destroy(ffl_tmp2);
+  memory->destroy(sqrt_m);
+  memory->destroy(ffl_tmp1);
+  memory->destroy(ffl_tmp2);
 }
 
 /* ---------------------------------------------------------------------- */
 
-int FixFFL::setmask()
-{
-    int mask = 0;
+int FixFFL::setmask() {
+  int mask = 0;
 
-    mask |= INITIAL_INTEGRATE;
-    mask |= FINAL_INTEGRATE;
-    mask |= INITIAL_INTEGRATE_RESPA;
-    mask |= FINAL_INTEGRATE_RESPA;
-    mask |= THERMO_ENERGY;
+  mask |= INITIAL_INTEGRATE;
+  mask |= FINAL_INTEGRATE;
+  mask |= INITIAL_INTEGRATE_RESPA;
+  mask |= FINAL_INTEGRATE_RESPA;
+  mask |= THERMO_ENERGY;
 
 
-    return mask;
+  return mask;
 }
 
 /* ------- Initializes one-time quantities for FFL ---------------------- */
 
-void FixFFL::init()
-{
-    doffl = 1;
-    dtv = update->dt;
-    dtf = 0.5 * update->dt * force->ftm2v;
-
-    // set force prefactors
-    if (!atom->rmass)
-    {
-        for (int i = 1; i <= atom->ntypes; i++)
-        {
-            sqrt_m[i] = sqrt(atom->mass[i]);
-        }
-    }
+void FixFFL::init() {
+  doffl = 1;
+  dtv = update->dt;
+  dtf = 0.5 * update->dt * force->ftm2v;
 
-    if (strstr(update->integrate_style,"respa"))
-    {
-        nlevels_respa = ((Respa *) update->integrate)->nlevels;
-        step_respa = ((Respa *) update->integrate)->step;
+  // set force prefactors
+  if (!atom->rmass) {
+    for (int i = 1; i <= atom->ntypes; i++) {
+      sqrt_m[i] = sqrt(atom->mass[i]);
     }
+  }
 
-    init_ffl();
+  if (strstr(update->integrate_style,"respa")) {
+    nlevels_respa = ((Respa *) update->integrate)->nlevels;
+    step_respa = ((Respa *) update->integrate)->step;
+  }
+
+  init_ffl();
 }
 
 /* ------- Initializes constants for FFL (change with T and dt) ------- */
 
-void FixFFL::init_ffl()
-{
-    const double kT = t_target * force->boltz / force->mvv2e;
+void FixFFL::init_ffl() {
+  const double kT = t_target * force->boltz / force->mvv2e;
 
-    // compute constants for FFL
+  // compute constants for FFL
 
-    c1 = exp ( - gamma * 0.5 * dtv );
-    c2 = sqrt( (1.0 - c1*c1)* kT ); //without the mass term
+  c1 = exp ( - gamma * 0.5 * dtv );
+  c2 = sqrt( (1.0 - c1*c1)* kT ); //without the mass term
 
 
 }
@@ -207,279 +196,244 @@ void FixFFL::init_ffl()
 
 /* ---------------------------------------------------------------------- */
 
-void FixFFL::setup(int vflag)
-{
-    if (strstr(update->integrate_style,"verlet"))
-        post_force(vflag);
-    else
-    {
-        ((Respa *) update->integrate)->copy_flevel_f(nlevels_respa-1);
-        post_force_respa(vflag,nlevels_respa-1,0);
-        ((Respa *) update->integrate)->copy_f_flevel(nlevels_respa-1);
-    }
+void FixFFL::setup(int vflag) {
+  if (strstr(update->integrate_style,"verlet"))
+    post_force(vflag);
+  else {
+    ((Respa *) update->integrate)->copy_flevel_f(nlevels_respa-1);
+    post_force_respa(vflag,nlevels_respa-1,0);
+    ((Respa *) update->integrate)->copy_f_flevel(nlevels_respa-1);
+  }
 }
 
-void FixFFL::ffl_integrate()
-{
-    double **v = atom->v;
-    double *rmass = atom->rmass, smi, ismi;
-    double factor;
-    int *type = atom->type;
-    int *mask = atom->mask;
-    int nlocal = atom->nlocal;
-    if (igroup == atom->firstgroup) nlocal = atom->nfirst;
-
-    // loads momentum data (mass-scaled) into the temporary vectors for the propagation
-    int nk=0;
-    double deltae=0.0;
-    for (int i = 0; i < nlocal; i++)
-    {
-        if (mask[i] & groupbit)
-        {
-            if (rmass) smi = sqrt(rmass[i]);
-            else smi = sqrt_m[type[i]];
-
-            for (int k = 0; k<3; k++)
-            {
-                // first loads velocities and accumulates conserved quantity
-                ffl_tmp2[nk] = v[i][k] * smi;
-                deltae += ffl_tmp2[nk] * ffl_tmp2[nk];
-                nk++;
-            }
-        }
+void FixFFL::ffl_integrate() {
+  double **v = atom->v;
+  double *rmass = atom->rmass, smi, ismi;
+  double factor;
+  int *type = atom->type;
+  int *mask = atom->mask;
+  int nlocal = atom->nlocal;
+  if (igroup == atom->firstgroup) nlocal = atom->nfirst;
+
+  // loads momentum data (mass-scaled) into the temporary vectors for the propagation
+  int nk=0;
+  double deltae=0.0;
+  for (int i = 0; i < nlocal; i++) {
+    if (mask[i] & groupbit) {
+      if (rmass) smi = sqrt(rmass[i]);
+      else smi = sqrt_m[type[i]];
+
+      for (int k = 0; k<3; k++) {
+        // first loads velocities and accumulates conserved quantity
+        ffl_tmp2[nk] = v[i][k] * smi;
+        deltae += ffl_tmp2[nk] * ffl_tmp2[nk];
+        nk++;
+      }
     }
+  }
 
-    //fills up a vector of random numbers
-    for (int i = 0; i < nk; i++) ffl_tmp1[i] = random->gaussian();
+  //fills up a vector of random numbers
+  for (int i = 0; i < nk; i++) ffl_tmp1[i] = random->gaussian();
 
 
-    // unloads momentum data (mass-scaled) from the temporary vectors
-    nk=0;
-    for (int i = 0; i < nlocal; i++) if (mask[i] & groupbit)
-        {
-            if (rmass) ismi = 1.0 / sqrt(rmass[i]);
-            else ismi = 1.0/ sqrt_m[type[i]];
-
-            for (int k = 0; k<3; k++)
-            {
-                // fetches new velocities and completes computation of the conserved quantity change
-                v[i][k]= c1*v[i][k] + c2*ffl_tmp1[nk]*ismi;
-
-                deltae-= v[i][k]*v[i][k] /ismi /ismi;
-
-                //flips the sign of the momentum (HARD FLIP)
-                if ( flip_int == 2)
-                {
-                    if (v[i][k]*ffl_tmp2[nk] < 0.0) v[i][k] = -v[i][k];
-                }
-
-                nk++;
-            }
+  // unloads momentum data (mass-scaled) from the temporary vectors
+  nk=0;
+  for (int i = 0; i < nlocal; i++) if (mask[i] & groupbit) {
+      if (rmass) ismi = 1.0 / sqrt(rmass[i]);
+      else ismi = 1.0/ sqrt_m[type[i]];
+
+      for (int k = 0; k<3; k++) {
+        // fetches new velocities and completes computation of the conserved quantity change
+        v[i][k]= c1*v[i][k] + c2*ffl_tmp1[nk]*ismi;
+
+        deltae-= v[i][k]*v[i][k] /ismi /ismi;
+
+        //flips the sign of the momentum (HARD FLIP)
+        if ( flip_int == 2) {
+          if (v[i][k]*ffl_tmp2[nk] < 0.0) v[i][k] = -v[i][k];
         }
 
-    //rescale operation (RESCALE FLIP)
-    if (flip_int == 1)
-    {
-        nk=0;
-        for (int i = 0; i < nlocal; i++) if (mask[i] & groupbit)
-            {
-                factor = sqrt ((v[i][0]*v[i][0] + v[i][1]*v[i][1] + v[i][2]*v[i][2]) / 
-                         (ffl_tmp2[nk]*ffl_tmp2[nk] + ffl_tmp2[nk+1]*ffl_tmp2[nk+1] 
-                         + ffl_tmp2[nk+2]*ffl_tmp2[nk+2]));
-
-                for (int k = 0; k<3; k++)
-                {
-                    v[i][k]= factor * ffl_tmp2[nk];
-                    nk++;
-                }
-            }
+        nk++;
+      }
     }
 
+  //rescale operation (RESCALE FLIP)
+  if (flip_int == 1) {
+    nk=0;
+    for (int i = 0; i < nlocal; i++) if (mask[i] & groupbit) {
+      factor = sqrt ((v[i][0]*v[i][0] + v[i][1]*v[i][1] + v[i][2]*v[i][2]) /
+                       (ffl_tmp2[nk]*ffl_tmp2[nk] + ffl_tmp2[nk+1]*ffl_tmp2[nk+1]
+                        + ffl_tmp2[nk+2]*ffl_tmp2[nk+2]));
+
+      for (int k = 0; k<3; k++) {
+        v[i][k]= factor * ffl_tmp2[nk];
+        nk++;
+      }
+    }
+  }
+
 
-    //soft flip operation (SOFT FLIP)
-    if (flip_int == 3)
-    {
-        nk=0;
-        for (int i = 0; i < nlocal; i++) if (mask[i] & groupbit)
-            {
-                factor = v[i][0]*ffl_tmp2[nk] + v[i][1]*ffl_tmp2[nk+1] + v[i][2]*ffl_tmp2[nk+2];
-                if (factor < 0)
-                {
-                    factor =  factor / (ffl_tmp2[nk]*ffl_tmp2[nk] + ffl_tmp2[nk+1]*ffl_tmp2[nk+1] 
-                              + ffl_tmp2[nk+2]*ffl_tmp2[nk+2]);
-
-                    for (int k = 0; k<3; k++)
-                    {
-                        v[i][k] -= 2.0 * factor * ffl_tmp2[nk];
-                        nk++;
-                    }
-                }
-                else
-                nk += 3;
-            }
+  //soft flip operation (SOFT FLIP)
+  if (flip_int == 3) {
+    nk=0;
+    for (int i = 0; i < nlocal; i++) if (mask[i] & groupbit) {
+      factor = v[i][0]*ffl_tmp2[nk] + v[i][1]*ffl_tmp2[nk+1] + v[i][2]*ffl_tmp2[nk+2];
+      if (factor < 0) {
+        factor =  factor / (ffl_tmp2[nk]*ffl_tmp2[nk] + ffl_tmp2[nk+1]*ffl_tmp2[nk+1]
+                            + ffl_tmp2[nk+2]*ffl_tmp2[nk+2]);
+
+        for (int k = 0; k<3; k++) {
+          v[i][k] -= 2.0 * factor * ffl_tmp2[nk];
+          nk++;
+        }
+      } else {
+        nk += 3;
+      }
     }
 
-    energy += deltae*0.5*force->mvv2e;
+  }
+
+  energy += deltae*0.5*force->mvv2e;
 
 }
 
-void FixFFL::initial_integrate(int vflag)
-{
-    double dtfm;
-
-    // update v and x of atoms in group
-    double **x = atom->x;
-    double **v = atom->v;
-    double **f = atom->f;
-    double *rmass = atom->rmass;
-    double *mass = atom->mass;
-    int *type = atom->type;
-    int *mask = atom->mask;
-    int nlocal = atom->nlocal;
-    if (igroup == atom->firstgroup) nlocal = atom->nfirst;
-
-    ffl_step--;
-    if (doffl && ffl_step<1) ffl_integrate();
-
-    if (rmass)
-    {
-        for (int i = 0; i < nlocal; i++)
-            if (mask[i] & groupbit)
-            {
-                dtfm = dtf / rmass[i];
-                v[i][0] += dtfm * f[i][0];
-                v[i][1] += dtfm * f[i][1];
-                v[i][2] += dtfm * f[i][2];
-                x[i][0] += dtv * v[i][0];
-                x[i][1] += dtv * v[i][1];
-                x[i][2] += dtv * v[i][2];
-            }
+void FixFFL::initial_integrate(int vflag) {
+  double dtfm;
 
-    }
-    else
-    {
-        for (int i = 0; i < nlocal; i++)
-            if (mask[i] & groupbit)
-            {
-                dtfm = dtf / mass[type[i]];
-                v[i][0] += dtfm * f[i][0];
-                v[i][1] += dtfm * f[i][1];
-                v[i][2] += dtfm * f[i][2];
-                x[i][0] += dtv * v[i][0];
-                x[i][1] += dtv * v[i][1];
-                x[i][2] += dtv * v[i][2];
-            }
-    }
+  // update v and x of atoms in group
+  double **x = atom->x;
+  double **v = atom->v;
+  double **f = atom->f;
+  double *rmass = atom->rmass;
+  double *mass = atom->mass;
+  int *type = atom->type;
+  int *mask = atom->mask;
+  int nlocal = atom->nlocal;
+  if (igroup == atom->firstgroup) nlocal = atom->nfirst;
+
+  ffl_step--;
+  if (doffl && ffl_step<1) ffl_integrate();
+
+  if (rmass) {
+    for (int i = 0; i < nlocal; i++)
+      if (mask[i] & groupbit) {
+        dtfm = dtf / rmass[i];
+        v[i][0] += dtfm * f[i][0];
+        v[i][1] += dtfm * f[i][1];
+        v[i][2] += dtfm * f[i][2];
+        x[i][0] += dtv * v[i][0];
+        x[i][1] += dtv * v[i][1];
+        x[i][2] += dtv * v[i][2];
+      }
+
+  } else {
+    for (int i = 0; i < nlocal; i++)
+      if (mask[i] & groupbit) {
+        dtfm = dtf / mass[type[i]];
+        v[i][0] += dtfm * f[i][0];
+        v[i][1] += dtfm * f[i][1];
+        v[i][2] += dtfm * f[i][2];
+        x[i][0] += dtv * v[i][0];
+        x[i][1] += dtv * v[i][1];
+        x[i][2] += dtv * v[i][2];
+      }
+  }
 }
 
-void FixFFL::final_integrate()
-{
-    double dtfm;
-
-    // update v of atoms in group
-
-    double **v = atom->v;
-    double **f = atom->f;
-    double *rmass = atom->rmass;
-    double *mass = atom->mass;
-    int *type = atom->type;
-    int *mask = atom->mask;
-    int nlocal = atom->nlocal;
-    if (igroup == atom->firstgroup) nlocal = atom->nfirst;
-
-    if (rmass)
-    {
-        for (int i = 0; i < nlocal; i++)
-            if (mask[i] & groupbit)
-            {
-                dtfm = dtf / rmass[i];
-                v[i][0] += dtfm * f[i][0];
-                v[i][1] += dtfm * f[i][1];
-                v[i][2] += dtfm * f[i][2];
-            }
+void FixFFL::final_integrate() {
+  double dtfm;
 
-    }
-    else
-    {
-        for (int i = 0; i < nlocal; i++)
-            if (mask[i] & groupbit)
-            {
-                dtfm = dtf / mass[type[i]];
-                v[i][0] += dtfm * f[i][0];
-                v[i][1] += dtfm * f[i][1];
-                v[i][2] += dtfm * f[i][2];
-            }
-    }
+  // update v of atoms in group
 
-    if (doffl && ffl_step<1)
-    {
-        ffl_integrate();
-        ffl_step = ffl_every;
-    }
+  double **v = atom->v;
+  double **f = atom->f;
+  double *rmass = atom->rmass;
+  double *mass = atom->mass;
+  int *type = atom->type;
+  int *mask = atom->mask;
+  int nlocal = atom->nlocal;
+  if (igroup == atom->firstgroup) nlocal = atom->nfirst;
 
-    // Change the temperature for the next step
-    double delta = update->ntimestep - update->beginstep;
-    delta /= update->endstep - update->beginstep;
-    t_target = t_start + delta * (t_stop - t_start);
-    if (t_stop != t_start)
-    {
-        // only updates if it is really necessary
-        init_ffl();
-    }
+  if (rmass) {
+    for (int i = 0; i < nlocal; i++)
+      if (mask[i] & groupbit) {
+        dtfm = dtf / rmass[i];
+        v[i][0] += dtfm * f[i][0];
+        v[i][1] += dtfm * f[i][1];
+        v[i][2] += dtfm * f[i][2];
+      }
+
+  } else {
+    for (int i = 0; i < nlocal; i++)
+      if (mask[i] & groupbit) {
+        dtfm = dtf / mass[type[i]];
+        v[i][0] += dtfm * f[i][0];
+        v[i][1] += dtfm * f[i][1];
+        v[i][2] += dtfm * f[i][2];
+      }
+  }
+
+  if (doffl && ffl_step<1) {
+    ffl_integrate();
+    ffl_step = ffl_every;
+  }
+
+  // Change the temperature for the next step
+  double delta = update->ntimestep - update->beginstep;
+  delta /= update->endstep - update->beginstep;
+  t_target = t_start + delta * (t_stop - t_start);
+  if (t_stop != t_start) {
+    // only updates if it is really necessary
+    init_ffl();
+  }
 
 }
 /* ---------------------------------------------------------------------- */
 
-void FixFFL::initial_integrate_respa(int vflag, int ilevel, int iloop)
-{
-    dtv = step_respa[ilevel];
-    dtf = 0.5 * step_respa[ilevel] * force->ftm2v;
+void FixFFL::initial_integrate_respa(int vflag, int ilevel, int iloop) {
+  dtv = step_respa[ilevel];
+  dtf = 0.5 * step_respa[ilevel] * force->ftm2v;
 
-    // innermost level - NVE update of v and x
-    // all other levels - NVE update of v
+  // innermost level - NVE update of v and x
+  // all other levels - NVE update of v
 
-    if (ilevel==nlevels_respa-1) ffl_integrate();
-    doffl=0;
-    if (ilevel == 0) initial_integrate(vflag);
-    else
-    {
-        final_integrate();
-    }
+  if (ilevel==nlevels_respa-1) ffl_integrate();
+  doffl=0;
+  if (ilevel == 0) initial_integrate(vflag);
+  else {
+    final_integrate();
+  }
 }
 
-void FixFFL::final_integrate_respa(int ilevel, int iloop)
-{
+void FixFFL::final_integrate_respa(int ilevel, int iloop) {
 
-    dtv = step_respa[ilevel];
-    dtf = 0.5 * step_respa[ilevel] * force->ftm2v;
-    doffl=0;
-    final_integrate();
-    if (ilevel==nlevels_respa-1) ffl_integrate();
+  dtv = step_respa[ilevel];
+  dtf = 0.5 * step_respa[ilevel] * force->ftm2v;
+  doffl=0;
+  final_integrate();
+  if (ilevel==nlevels_respa-1) ffl_integrate();
 }
 
 
-double FixFFL::compute_scalar()
-{
+double FixFFL::compute_scalar() {
 
-    double energy_me = energy;
-    double energy_all;
-    MPI_Allreduce(&energy_me,&energy_all,1,MPI_DOUBLE,MPI_SUM,world);
+  double energy_me = energy;
+  double energy_all;
+  MPI_Allreduce(&energy_me,&energy_all,1,MPI_DOUBLE,MPI_SUM,world);
 
-    return energy_all;
+  return energy_all;
 }
 
 /* ----------------------------------------------------------------------
    extract thermostat properties
 ------------------------------------------------------------------------- */
 
-void *FixFFL::extract(const char *str, int &dim)
-{
-    dim = 0;
-    if (strcmp(str,"t_target") == 0)
-    {
-        return &t_target;
-    }
-    return NULL;
+void *FixFFL::extract(const char *str, int &dim) {
+  dim = 0;
+  if (strcmp(str,"t_target") == 0) {
+    return &t_target;
+  }
+  return NULL;
 }
 
 
@@ -487,32 +441,29 @@ void *FixFFL::extract(const char *str, int &dim)
    Called when a change to the target temperature is requested mid-run
 ------------------------------------------------------------------------- */
 
-void FixFFL::reset_target(double t_new)
-{
+void FixFFL::reset_target(double t_new) {
 
-    t_target = t_start = t_stop = t_new;
+  t_target = t_start = t_stop = t_new;
 }
 
 /* ----------------------------------------------------------------------
    Called when a change to the timestep is requested mid-run
 ------------------------------------------------------------------------- */
 
-void FixFFL::reset_dt()
-{
-    // set the time integration constants
-    dtv = update->dt;
-    dtf = 0.5 * update->dt * (force->ftm2v);
-    init_ffl();
+void FixFFL::reset_dt() {
+  // set the time integration constants
+  dtv = update->dt;
+  dtf = 0.5 * update->dt * (force->ftm2v);
+  init_ffl();
 }
 
 /* ----------------------------------------------------------------------
    memory usage of local atom-based arrays
 ------------------------------------------------------------------------- */
 
-double FixFFL::memory_usage()
-{
-    double bytes = atom->nmax*(3*2)*sizeof(double);
-    return bytes;
+double FixFFL::memory_usage() {
+  double bytes = atom->nmax*(3*2)*sizeof(double);
+  return bytes;
 }
 
 
@@ -520,13 +471,12 @@ double FixFFL::memory_usage()
    allocate local atom-based arrays
 ------------------------------------------------------------------------- */
 
-void FixFFL::grow_arrays(int nmax)
-{
-    memory->grow(ffl_tmp1, nmax*3,"ffl:tmp1");
-    memory->grow(ffl_tmp2, nmax*3,"ffl:tmp2");
-    //zeroes out temporary buffers
-    for (int i=0; i< nmax*3; ++i) ffl_tmp1[i] = 0.0;
-    for (int i=0; i< nmax*3; ++i) ffl_tmp2[i] = 0.0;
+void FixFFL::grow_arrays(int nmax) {
+  memory->grow(ffl_tmp1, nmax*3,"ffl:tmp1");
+  memory->grow(ffl_tmp2, nmax*3,"ffl:tmp2");
+  //zeroes out temporary buffers
+  for (int i=0; i< nmax*3; ++i) ffl_tmp1[i] = 0.0;
+  for (int i=0; i< nmax*3; ++i) ffl_tmp2[i] = 0.0;
 }
 
 
-- 
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