Code formatting and uninitialization fix.

src/debug.c

@@ -305,8 +305,8 @@ static void dumpCells_map(struct cell *c, void *data) {
   /* Only cells with particles are dumped. */
   if (c->count > 0 || c->gcount > 0 || c->scount > 0) {
 
-/* In MPI mode we may only output cells with foreign partners.
- * These define the edges of the partitions. */
+    /* In MPI mode we may only output cells with foreign partners.
+     * These define the edges of the partitions. */
     int ismpiactive = 0;
 #if WITH_MPI
     ismpiactive = (c->send_xv != NULL);
@@ -326,7 +326,8 @@ static void dumpCells_map(struct cell *c, void *data) {
 
     /* So output local super cells that are active and have MPI
      * tasks as requested. */
-    if (c->nodeID == e->nodeID && (!super ||(super && c->super == c)) && active && mpiactive) {
+    if (c->nodeID == e->nodeID && (!super || (super && c->super == c)) &&
+        active && mpiactive) {
 
       /* If requested we work out how many particles are active in this cell. */
       int pactcount = 0;
@@ -370,8 +371,8 @@ static void dumpCells_map(struct cell *c, void *data) {
  * @param rank node ID of MPI rank, or 0 if not relevant.
  * @param step the current engine step, or some unique integer.
  */
-void dumpCells(const char *prefix, int super, int active, int mpiactive, int pactive, 
-               struct space *s, int rank, int step) {
+void dumpCells(const char *prefix, int super, int active, int mpiactive,
+               int pactive, struct space *s, int rank, int step) {
 
   FILE *file = NULL;
 

src/engine.c

@@ -4431,8 +4431,8 @@ void engine_step(struct engine *e) {
   /* Print the number of active tasks ? */
   if (e->verbose) engine_print_task_counts(e);
 
-  /* Dump local cells and active particle counts. */
-  /* dumpCells("cells", 0, 0, 0, 0, e->s, e->nodeID, e->step); */
+/* Dump local cells and active particle counts. */
+/* dumpCells("cells", 0, 0, 0, 0, e->s, e->nodeID, e->step); */
 
 #ifdef SWIFT_DEBUG_CHECKS
   /* Check that we have the correct total mass in the top-level multipoles */

src/gravity.c

@@ -410,7 +410,7 @@ void gravity_exact_force_compute_mapper(void *map_data, int nr_gparts,
 
     struct gpart *gpi = &gparts[i];
 
-    long long id;
+    long long id = 0;
     if (gpi->type == swift_type_gas)
       id = parts[-gpi->id_or_neg_offset].id;
     else if (gpi->type == swift_type_star)
@@ -597,7 +597,7 @@ void gravity_exact_force_check(struct space *s, const struct engine *e,
 
     struct gpart *gpi = &s->gparts[i];
 
-    long long id;
+    long long id = 0;
     if (gpi->type == swift_type_gas)
       id = parts[-gpi->id_or_neg_offset].id;
     else if (gpi->type == swift_type_star)
@@ -648,7 +648,7 @@ void gravity_exact_force_check(struct space *s, const struct engine *e,
 
       struct gpart *gpi = &s->gparts[i];
 
-      long long id;
+      long long id = 0;
       if (gpi->type == swift_type_gas)
         id = parts[-gpi->id_or_neg_offset].id;
       else if (gpi->type == swift_type_star)