From b6ecc15e1ac4cef79620a4e82588646020527363 Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Sun, 5 Apr 2020 10:55:40 +0200
Subject: [PATCH] enqueue_c

---
 hypgraph.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/hypgraph.cpp b/hypgraph.cpp
index fc7b48c2..89ae6155 100644
--- a/hypgraph.cpp
+++ b/hypgraph.cpp
@@ -1943,6 +1943,13 @@ EX namespace dq {
     }
 
   EX queue<tuple<cell*, transmatrix, ld>> drawqueue_c;
+  EX set<cell*> visited_c;
+
+  EX void enqueue_c(cell *c, const transmatrix& T) {
+    if(!c || visited_c.count(c)) { return; }
+    visited_c.insert(c);
+    drawqueue_c.emplace(c, T, band_shift);
+    }
 
   EX void enqueue_by_matrix_c(cell *c, const transmatrix& T) {
     if(!c) return;