From e777319f3c213198e574dd3cac2de1aeac6bfbbf Mon Sep 17 00:00:00 2001
From: Francois Fleuret <francois@fleuret.org>
Date: Sat, 29 Dec 2012 11:31:33 +0100
Subject: [PATCH] Cleaned up a bit implicit conversions.

---
 Makefile           |  2 +-
 mtp_example.cc     |  8 ++++----
 mtp_graph.cc       | 10 +++++-----
 mtp_stress_test.cc |  2 +-
 4 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/Makefile b/Makefile
index edb6eb6..c502771 100644
--- a/Makefile
+++ b/Makefile
@@ -39,7 +39,7 @@ ifeq ($(PROFILE),yes)
   PROFILE_FLAG = -pg
 endif
 
-CXXFLAGS = -Wall $(OPTIMIZE_FLAG) $(PROFILE_FLAG) $(VERBOSE_FLAG)
+CXXFLAGS = -Wconversion -Wall $(OPTIMIZE_FLAG) $(PROFILE_FLAG) $(VERBOSE_FLAG)
 
 all: mtp mtp_example mtp_stress_test
 
diff --git a/mtp_example.cc b/mtp_example.cc
index c1f6778..9e8db82 100644
--- a/mtp_example.cc
+++ b/mtp_example.cc
@@ -35,9 +35,9 @@ using namespace std;
 scalar_t noisy_score(scalar_t true_score, scalar_t erroneous_score,
                      scalar_t score_noise, scalar_t flip_noise) {
   if(drand48() < flip_noise) {
-    return erroneous_score + score_noise * (2.0 * drand48() - 1.0);
+    return erroneous_score + score_noise * (2.0f * scalar_t(drand48()) - 1.0f);
   } else {
-    return true_score + score_noise * (2.0 * drand48() - 1.0);
+    return true_score + score_noise * (2.0f * scalar_t(drand48()) - 1.0f);
   }
 }
 
@@ -84,8 +84,8 @@ int main(int argc, char **argv) {
   // Then, we specify for every location and time step what is the
   // detection score there.
 
-  scalar_t flip_noise = 0.05;
-  scalar_t score_noise = 0.0;
+  scalar_t flip_noise = 0.05f;
+  scalar_t score_noise = 0.0f;
 
   // We first put a background noise, with negative scores at every
   // location.
diff --git a/mtp_graph.cc b/mtp_graph.cc
index 0fe3cf0..fcdcfed 100644
--- a/mtp_graph.cc
+++ b/mtp_graph.cc
@@ -216,7 +216,7 @@ void MTPGraph::compute_dp_ranks() {
   for(int k = 0; k < _nb_vertices; k++) {
     v = _vertices + k;
     for(e = v->leaving_edge_list_root; e; e = e->next_leaving_edge) {
-      tv = e->terminal_vertex - _vertices;
+      tv = int(e->terminal_vertex - _vertices);
       nb_predecessors[tv]++;
     }
   }
@@ -235,7 +235,7 @@ void MTPGraph::compute_dp_ranks() {
       v = _vertices + without_predecessors[l];
       v->distance_from_source = rank;
       for(e = v->leaving_edge_list_root; e; e = e->next_leaving_edge) {
-        tv = e->terminal_vertex - _vertices;
+        tv = int(e->terminal_vertex - _vertices);
         nb_predecessors[tv]--;
         ASSERT(nb_predecessors[tv] >= 0);
         if(nb_predecessors[tv] == 0) {
@@ -466,13 +466,13 @@ int MTPGraph::retrieve_one_path(Edge *e, Path *path) {
   int l = 0, nb_occupied_next;
 
   if(path) {
-    path->nodes[l++] = e->origin_vertex - _vertices;
+    path->nodes[l++] = int(e->origin_vertex - _vertices);
     path->length = e->length;
   } else l++;
 
   while(e->terminal_vertex != _sink) {
     if(path) {
-      path->nodes[l++] = e->terminal_vertex - _vertices;
+      path->nodes[l++] = int(e->terminal_vertex - _vertices);
       path->length += e->length;
     } else l++;
 
@@ -497,7 +497,7 @@ int MTPGraph::retrieve_one_path(Edge *e, Path *path) {
   }
 
   if(path) {
-    path->nodes[l++] = e->terminal_vertex - _vertices;
+    path->nodes[l++] = int(e->terminal_vertex - _vertices);
     path->length += e->length;
   } else l++;
 
diff --git a/mtp_stress_test.cc b/mtp_stress_test.cc
index 7fa7a64..590e807 100644
--- a/mtp_stress_test.cc
+++ b/mtp_stress_test.cc
@@ -57,7 +57,7 @@ int main(int argc, char **argv) {
 
   for(int t = 0; t < nb_time_steps; t++) {
     for(int l = 0; l < nb_locations; l++) {
-      tracker->detection_scores[t][l] = drand48() - 0.95;
+      tracker->detection_scores[t][l] = scalar_t(drand48()) - 0.95f;
     }
   }
 
-- 
2.39.5