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authorGloria Mundi <gloria@gloria-mundi.eu>2024-11-16 01:24:14 +0100
committerGloria Mundi <gloria@gloria-mundi.eu>2024-11-16 01:24:14 +0100
commit98567ec798aa8ca2cfbcb85c774dd470f30e30d4 (patch)
tree5113d5cc24d1ad5f93810b6442ce584a36950dc8 /content/geometry/antipodalPoints.cpp
parentad3856a6b766087df0036de0b556f4700a6498c9 (diff)
parent8d11c6c8213f46f0fa19826917c255edd5d43cb1 (diff)
mzuenni tests
Diffstat (limited to 'content/geometry/antipodalPoints.cpp')
-rw-r--r--content/geometry/antipodalPoints.cpp12
1 files changed, 12 insertions, 0 deletions
diff --git a/content/geometry/antipodalPoints.cpp b/content/geometry/antipodalPoints.cpp
new file mode 100644
index 0000000..110cc74
--- /dev/null
+++ b/content/geometry/antipodalPoints.cpp
@@ -0,0 +1,12 @@
+vector<pair<int, int>> antipodalPoints(vector<pt>& h) {
+ if (sz(h) < 2) return {};
+ vector<pair<int, int>> result;
+ for (int i = 0, j = 1; i < j; i++) {
+ while (true) {
+ result.push_back({i, j});
+ if (cross(h[(i + 1) % sz(h)] - h[i],
+ h[(j + 1) % sz(h)] - h[j]) <= 0) break;
+ j = (j + 1) % sz(h);
+ }}
+ return result;
+}