Switched to std::ranges::copy

Author: ankane

ext/faiss/index_binary.cpp

@@ -80,8 +80,8 @@ void init_index_binary(Rice::Module& m) {
             self.search(n, objects_vec.data(), k, distances_vec.data(), labels_vec.data());
           });
 
-          std::copy(distances_vec.begin(), distances_vec.end(), distances.write_ptr());
-          std::copy(labels_vec.begin(), labels_vec.end(), labels.write_ptr());
+          std::ranges::copy(distances_vec, distances.write_ptr());
+          std::ranges::copy(labels_vec, labels.write_ptr());
         } else {
           self.search(n, objects.read_ptr(), k, distances.write_ptr(), labels.write_ptr());
         }

ext/faiss/index_rb.cpp

@@ -171,8 +171,8 @@ void init_index(Rice::Module& m) {
             self.search(n, objects_vec.data(), k, distances_vec.data(), labels_vec.data());
           });
 
-          std::copy(distances_vec.begin(), distances_vec.end(), distances.write_ptr());
-          std::copy(labels_vec.begin(), labels_vec.end(), labels.write_ptr());
+          std::ranges::copy(distances_vec, distances.write_ptr());
+          std::ranges::copy(labels_vec, labels.write_ptr());
         } else {
           self.search(n, objects.read_ptr(), k, distances.write_ptr(), labels.write_ptr());
         }
@@ -288,7 +288,7 @@ void init_index(Rice::Module& m) {
       [](faiss::IndexIDMap2& self) {
         auto n = self.id_map.size();
         auto ids = numo::Int64({n});
-        std::copy(self.id_map.begin(), self.id_map.end(), ids.write_ptr());
+        std::ranges::copy(self.id_map, ids.write_ptr());
         return ids;
       });
 }

ext/faiss/kmeans.cpp

@@ -29,7 +29,7 @@ void init_kmeans(Rice::Module& m) {
       "centroids",
       [](faiss::Clustering& self) {
         auto centroids = numo::SFloat({self.k, self.d});
-        std::copy(self.centroids.begin(), self.centroids.end(), centroids.write_ptr());
+        std::ranges::copy(self.centroids, centroids.write_ptr());
         return centroids;
       })
     .define_method(