From 8964a534e576c62221e8ca2e9b1445f43292735e Mon Sep 17 00:00:00 2001
From: Jaron Kent-Dobias <jaron@kent-dobias.com>
Date: Wed, 14 Sep 2022 15:30:29 +0200
Subject: Small fixes.

---
 rbmp.cpp | 26 ++++++++++++--------------
 1 file changed, 12 insertions(+), 14 deletions(-)

diff --git a/rbmp.cpp b/rbmp.cpp
index 3c8833a..1c30528 100644
--- a/rbmp.cpp
+++ b/rbmp.cpp
@@ -10,6 +10,7 @@
 
 using Rng = randutils::random_generator<pcg32>;
 
+class Edge;
 class HalfEdge;
 
 class Vertex {
@@ -23,8 +24,6 @@ public:
   }
 };
 
-class Edge;
-
 class HalfEdge {
 private:
   Vertex* tail;
@@ -35,10 +34,7 @@ public:
   double oldX;
   double X;
 
-  HalfEdge(const Edge& e) : edge(e) {
-    X = 0;
-    oldX = X;
-  }
+  HalfEdge(const Edge& e) : edge(e) {}
   void setVertices(Vertex& vt, Vertex& vh) {
     tail = &vt;
     head = &vh;
@@ -89,6 +85,8 @@ public:
       Vertex& blueVertex = vertices[M + (i % (2 * n)) / 2 + n * (((i + 2 * n) / 4) / n)];
       edges[i].setVertices(redVertex, blueVertex);
       edges[i].weight = r.variate<double, std::exponential_distribution>(1);
+      edges[i].halfedges[0].oldX = r.variate<double, std::normal_distribution>(0, 1);
+      edges[i].halfedges[1].oldX = r.variate<double, std::normal_distribution>(0, 1);
     }
   }
 
@@ -118,8 +116,8 @@ public:
 
 int main() {
   unsigned n = 100;
-  unsigned maxSteps = 1e7;
-  double beliefThreshold = 0.1;
+  unsigned maxSteps = 1e8;
+  double beliefThreshold = 1;
 
   Rng r;
   Graph G(n, r);
@@ -132,13 +130,13 @@ int main() {
     steps++;
   }
 
-  for (unsigned i = 0; i < G.edges.size(); i++) {
-    if (G.edges[i].active()) {
+  for (const Edge& e : G.edges) {
+    if (e.active()) {
       std::cout
-        << G.edges[i].halfedges[0].getTail().coordinate[0] << " "
-        << G.edges[i].halfedges[0].getTail().coordinate[1] << " "
-        << G.edges[i].halfedges[0].getHead().coordinate[0] << " "
-        << G.edges[i].halfedges[0].getHead().coordinate[1] << std::endl;
+        << e.halfedges[0].getTail().coordinate[0] << " "
+        << e.halfedges[0].getTail().coordinate[1] << " "
+        << e.halfedges[0].getHead().coordinate[0] << " "
+        << e.halfedges[0].getHead().coordinate[1] << std::endl;
     }
   }
 
-- 
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