From fa4483dc336deafea36768e1e8a804e9d0ae823d Mon Sep 17 00:00:00 2001
From: tomsmeding <tom.smeding@gmail.com>
Date: Sun, 17 Feb 2019 00:13:12 +0100
Subject: Bugfix removeEdgeCell

---
 board.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/board.cpp b/board.cpp
index b3820a0..91655dc 100644
--- a/board.cpp
+++ b/board.cpp
@@ -94,7 +94,7 @@ void Board::newEdgeCand(int idx) {
 void Board::removeEdgeCell(int idx) {
 	// cerr << "(removeEdgeCell(" << Idx(idx) << "))" << endl;
 	int pos = inEdgeCells[idx];
-	if (pos != -1) {
+	if (pos != -1 && (bd[idx] != 0 || !checkEdge(idx))) {
 		inEdgeCells[idx] = -1;
 		if ((unsigned)pos < edgeCells.size() - 1) {
 			int val = edgeCells[pos] = edgeCells.back();
-- 
cgit v1.2.3-54-g00ecf