From 7d85bfe855cb4864f0f6376894a6734085819aec Mon Sep 17 00:00:00 2001
From: TANG ZHIXIONG <zhixiong.tang@momenta.ai>
Date: Fri, 5 Jan 2024 19:19:01 +0800
Subject: [PATCH 1/2] fix

---
 src/concaveman.h | 15 +++------------
 1 file changed, 3 insertions(+), 12 deletions(-)

diff --git a/src/concaveman.h b/src/concaveman.h
index a7fd81d..85ee23f 100644
--- a/src/concaveman.h
+++ b/src/concaveman.h
@@ -561,12 +561,9 @@ concaveman(const std::vector<std::array<T, 2>> &points,
 
     // index the points with an R-tree
     rtree<T, 2, MAX_CHILDREN, point_type> tree;
-    std::map<std::array<T, 2>, int> points_index;
     for (int index = 0; index < int(points.size()); index++) {
-        point_type p{points[index][0], points[index][1], index};
+        point_type p{points[index][0], points[index][1], (T)index};
         tree.insert(p, {p[0], p[1], p[0], p[1]});
-        points_index.insert(
-            std::pair<std::array<T, 2>, int>(points[index], index));
     }
 
     // for (auto &p : points)
@@ -581,7 +578,7 @@ concaveman(const std::vector<std::array<T, 2>> &points,
     // queue with the nodes
     for (auto &idx : hull) {
         auto &pp = points[idx];
-        point_type p{pp[0], pp[1], points_index[pp]};
+        point_type p{pp[0], pp[1], (T)idx};
         tree.erase(p, {p[0], p[1], p[0], p[1]});
         last = circList.insert(last, p);
         queue.push_back(last);
@@ -716,17 +713,11 @@ std::vector<int> concaveman_indexes(
 
     // index the points with an R-tree
     rtree<T, 2, MAX_CHILDREN, point_type> tree;
-    std::map<std::array<T, 2>, int> points_index;
     for (int index = 0; index < int(points.size()); index++) {
         point_type p{points[index][0], points[index][1], (T)index};
         tree.insert(p, {p[0], p[1], p[0], p[1]});
-        points_index.insert(
-            std::pair<std::array<T, 2>, int>(points[index], index));
     }
 
-    // for (auto &p : points)
-    //     tree.insert(p, { p[0], p[1], p[0], p[1] });
-
     circ_list_type circList;
     circ_elem_ptr_type last = nullptr;
 
@@ -736,7 +727,7 @@ std::vector<int> concaveman_indexes(
     // queue with the nodes
     for (auto &idx : hull) {
         auto &pp = points[idx];
-        point_type p{pp[0], pp[1], (T)points_index[pp]};
+        point_type p{pp[0], pp[1], (T)idx};
         tree.erase(p, {p[0], p[1], p[0], p[1]});
         last = circList.insert(last, p);
         queue.push_back(last);

From def9b1b4f5e7fad7f00d232dd2e6768794dab179 Mon Sep 17 00:00:00 2001
From: TANG ZHIXIONG <zhixiong.tang@momenta.ai>
Date: Fri, 5 Jan 2024 19:22:31 +0800
Subject: [PATCH 2/2] not good

---
 setup.py         | 2 +-
 src/concaveman.h | 1 -
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/setup.py b/setup.py
index fcce77e..54862ad 100644
--- a/setup.py
+++ b/setup.py
@@ -122,7 +122,7 @@ def build_extension(self, ext):
 # logic and declaration, and simpler if you include description/version in a file.
 setup(
     name="concave_hull",
-    version="0.0.6",
+    version="0.0.7",
     author="tzx",
     author_email="dvorak4tzx@gmail.com",
     url="https://concave-hull.readthedocs.io",
diff --git a/src/concaveman.h b/src/concaveman.h
index 85ee23f..d8adf51 100644
--- a/src/concaveman.h
+++ b/src/concaveman.h
@@ -695,7 +695,6 @@ std::vector<int> concaveman_indexes(
     // further
     T lengthThreshold = 0)
 {
-
     typedef Node<T> node_type;
     typedef std::array<T, 3> point_type;
     typedef CircularElement<node_type> circ_elem_type;