From c752952df0dd1d781ec80f25c4b9418bddac1b9e Mon Sep 17 00:00:00 2001
From: Francois Fleuret <francois@fleuret.org>
Date: Thu, 20 Dec 2012 09:40:39 +0100
Subject: [PATCH] Cosmetics.

---
 mtp_graph.cc | 40 ++++++++++++++++++++--------------------
 1 file changed, 20 insertions(+), 20 deletions(-)

diff --git a/mtp_graph.cc b/mtp_graph.cc
index ea8f91b..5a7da77 100644
--- a/mtp_graph.cc
+++ b/mtp_graph.cc
@@ -202,44 +202,44 @@ int MTPGraph::compute_dp_ranks() {
   // rank of a node is the iteration at which is it removed, and we
   // set the distance_from_source fields to this value.
 
-  Vertex **active = new Vertex *[_nb_vertices];
+  Vertex **unreached = new Vertex *[_nb_vertices];
 
-  // All the nodes are active at first
+  // All the nodes are unreached at first
   for(int k = 0; k < _nb_vertices; k++) {
     _vertices[k].distance_from_source = 0;
-    active[k] = &_vertices[k];
+    unreached[k] = &_vertices[k];
   }
 
   scalar_t rank = 1;
-  int nb_active = _nb_vertices, pred_nb_active;
+  int nb_unreached = _nb_vertices, pred_nb_unreached;
 
   do {
     // We set the distance_from_source field of all the vertices with incoming
     // edges to the current rank value
-    for(int f = 0; f < nb_active; f++) {
-      v = active[f];
+    for(int f = 0; f < nb_unreached; f++) {
+      v = unreached[f];
       for(e = v->leaving_edges; e; e = e->next_leaving_edge) {
         e->terminal_vertex->distance_from_source = rank;
       }
     }
 
-    pred_nb_active = nb_active;
-    nb_active = 0;
+    pred_nb_unreached = nb_unreached;
+    nb_unreached = 0;
 
     // We keep all the vertices with incoming nodes
-    for(int f = 0; f < pred_nb_active; f++) {
-      v = active[f];
+    for(int f = 0; f < pred_nb_unreached; f++) {
+      v = unreached[f];
       if(v->distance_from_source == rank) {
-        active[nb_active++] = v;
+        unreached[nb_unreached++] = v;
       }
     }
 
     rank++;
-  } while(nb_active < pred_nb_active);
+  } while(nb_unreached < pred_nb_unreached);
 
-  delete[] active;
+  delete[] unreached;
 
-  return nb_active == 0;
+  return nb_unreached == 0;
 }
 
 //////////////////////////////////////////////////////////////////////
@@ -384,7 +384,7 @@ void MTPGraph::find_shortest_path() {
 }
 
 void MTPGraph::find_best_paths(scalar_t *lengths) {
-  scalar_t total_length;
+  scalar_t shortest_path_length;
   Vertex *v;
   Edge *e;
 
@@ -408,7 +408,7 @@ void MTPGraph::find_best_paths(scalar_t *lengths) {
 
     find_shortest_path();
 
-    total_length = 0.0;
+    shortest_path_length = 0.0;
 
     // Do we reach the sink?
     if(_sink->pred_edge_toward_source) {
@@ -416,13 +416,13 @@ void MTPGraph::find_best_paths(scalar_t *lengths) {
       // original edge lengths
       v = _sink;
       while(v->pred_edge_toward_source) {
-        total_length += v->pred_edge_toward_source->length;
+        shortest_path_length += v->pred_edge_toward_source->length;
         v = v->pred_edge_toward_source->origin_vertex;
       }
       // If that length is negative
-      if(total_length < 0.0) {
+      if(shortest_path_length < 0.0) {
 #ifdef VERBOSE
-        cerr << __FILE__ << ": Found a path of length " << total_length << endl;
+        cerr << __FILE__ << ": Found a path of length " << shortest_path_length << endl;
 #endif
         // Invert all the edges along the best path
         v = _sink;
@@ -437,7 +437,7 @@ void MTPGraph::find_best_paths(scalar_t *lengths) {
       }
     }
 
-  } while(total_length < 0.0);
+  } while(shortest_path_length < 0.0);
 
   // Put back the graph in its original state (i.e. invert edges which
   // have been inverted in the process)
-- 
2.20.1