Fix more cast errors

Author: giuliabaldini

kmsr/cpp/heuristic.cpp

@@ -67,7 +67,7 @@ vector<Cluster> kMeansPlusPlus(vector<Point> &points, int k, int seed)
   {
     vector<double> dist(n, numeric_limits<double>::max());
 
-    for (size_t j = 0; j < n; j++)
+    for (int j = 0; j < n; j++)
     {
       for (const Point &center : centers)
       {
@@ -78,7 +78,7 @@ vector<Cluster> kMeansPlusPlus(vector<Point> &points, int k, int seed)
     // Calculate the probability distribution for selecting the next center
     vector<double> distSquared(n);
     double sumDist = 0.0;
-    for (size_t j = 0; j < n; j++)
+    for (int j = 0; j < n; j++)
     {
       distSquared[j] = dist[j] * dist[j];
       sumDist += distSquared[j];
@@ -88,7 +88,7 @@ vector<Cluster> kMeansPlusPlus(vector<Point> &points, int k, int seed)
     double r = disReal(gen);
     double cumulativeDist = 0.0;
 
-    for (size_t j = 0; j < n; j++)
+    for (int j = 0; j < n; j++)
     {
       cumulativeDist += distSquared[j];
       if (cumulativeDist >= r)

kmsr/cpp/util.cpp

@@ -31,7 +31,7 @@ bool clustersOverlap(const Cluster &c1, const Cluster &c2)
 std::vector<Cluster> assignPointsToCluster(const std::vector<Point> &points,
                                       const std::vector<Point> &centers, int k)
 {
-  int n = points.size();
+  int n = static_cast<int>(points.size());
   std::vector<Cluster> clusters(k);
 
   // Create clusters based on the centers
@@ -59,7 +59,7 @@ std::vector<Cluster> assignPointsToCluster(const std::vector<Point> &points,
 // Computes the centroid of the cluster
 Point computeCentroid(const std::vector<Point> &points)
 {
-  int dimension = points[0].getCoordinates().size();
+  int dimension = static_cast<int>(points[0].getCoordinates().size());
   std::vector<double> centroidCoords(dimension, 0.0);
 
   // Sum of the coordinates of all points in the cluster

kmsr/cpp/welzl.cpp

@@ -18,7 +18,7 @@ struct PointCoordAccessor
 
 Ball findMinEnclosingBall(const vector<Point> &points)
 {
-  int dimension = points.front().getCoordinates().size();
+  int dimension = static_cast<int>(points.front().getCoordinates().size());
 
   Miniball::Miniball<PointCoordAccessor> mb(dimension, points.begin(),
                                             points.end());

kmsr/cpp/yildirim.cpp

@@ -8,7 +8,7 @@ using namespace std;
 // Function to find the furthest point from a given point
 int findFurthestPoint(const std::vector<Point> &points, const Point &p)
 {
-  int furthestIndex = 0;
+  size_t furthestIndex = 0;
   double maxDistSquared = 0.0;
   for (size_t i = 0; i < points.size(); i++)
   {
@@ -21,7 +21,7 @@ int findFurthestPoint(const std::vector<Point> &points, const Point &p)
       furthestIndex = i;
     }
   }
-  return furthestIndex;
+  return static_cast<int>(furthestIndex);
 }
 
 // Function to calculate the weighted sum of the squares of the coordinates