From f3a81053c175973cb6efa76c52c4a894fbe0dc68 Mon Sep 17 00:00:00 2001
From: Francois Fleuret <francois@fleuret.org>
Date: Fri, 5 Oct 2012 08:36:00 +0200
Subject: [PATCH] Cosmetics.

---
 mtp_graph.cc | 17 ++++++++++-------
 mtp_graph.h  |  5 +++--
 2 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/mtp_graph.cc b/mtp_graph.cc
index 6ce84c4..6537a7f 100644
--- a/mtp_graph.cc
+++ b/mtp_graph.cc
@@ -373,7 +373,7 @@ void MTPGraph::find_best_paths(scalar_t *lengths) {
 
 int MTPGraph::retrieve_one_path(Edge *e, Path *path) {
   Edge *f, *next = 0;
-  int l = 0;
+  int l = 0, nb_occupied_next;
 
   if(path) {
     path->nodes[l++] = e->origin_vertex->id;
@@ -385,17 +385,19 @@ int MTPGraph::retrieve_one_path(Edge *e, Path *path) {
       path->nodes[l++] = e->terminal_vertex->id;
       path->length += e->length;
     } else l++;
-    int nb_choices = 0;
+
+    nb_occupied_next = 0;
     for(f = e->terminal_vertex->leaving_edges; f; f = f->next_leaving_edge) {
-      if(f->occupied) { nb_choices++; next = f; }
+      if(f->occupied) { nb_occupied_next++; next = f; }
     }
 
 #ifdef DEBUG
-    if(nb_choices == 0) {
+    if(nb_occupied_next == 0) {
       cerr << "retrieve_one_path: Non-sink end point." << endl;
       abort();
     }
-    if(nb_choices > 1) {
+
+    else if(nb_occupied_next > 1) {
       cerr << "retrieve_one_path: Non node-disjoint paths." << endl;
       abort();
     }
@@ -414,6 +416,7 @@ int MTPGraph::retrieve_one_path(Edge *e, Path *path) {
 
 void MTPGraph::retrieve_disjoint_paths() {
   Edge *e;
+  int p, l;
 
   for(int p = 0; p < nb_paths; p++) delete paths[p];
   delete[] paths;
@@ -425,10 +428,10 @@ void MTPGraph::retrieve_disjoint_paths() {
 
   paths = new Path *[nb_paths];
 
-  int p = 0;
+  p = 0;
   for(e = _source->leaving_edges; e; e = e->next_leaving_edge) {
     if(e->occupied) {
-      int l = retrieve_one_path(e, 0);
+      l = retrieve_one_path(e, 0);
       paths[p] = new Path(l);
       retrieve_one_path(e, paths[p]);
       p++;
diff --git a/mtp_graph.h b/mtp_graph.h
index bdf8674..f28e460 100644
--- a/mtp_graph.h
+++ b/mtp_graph.h
@@ -49,8 +49,9 @@ class MTPGraph {
   // the total correction when compiled in VERBOSE mode.
   void force_positivized_lengths();
 
-  // Set the edge pred_edge_toward_source correspondingly to the path
-  // of shortest length. The current implementation is not Dijkstra's!
+  // Set in every vertex pred_edge_toward_source correspondingly to
+  // the path of shortest length. The current implementation is not
+  // Dijkstra's!
   void find_shortest_path();
 
   // Follows the path starting on edge e and returns the number of
-- 
2.20.1