From b75f73f5ed220b547ccf3c309cb78931f2cdcfcd Mon Sep 17 00:00:00 2001
From: Ahmet Inan <inan@aicodix.de>
Date: Sat, 29 Sep 2018 23:04:19 +0200
Subject: [PATCH] make sure POLY doesn't create a shorter sequence

---
 galois_field.hh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/galois_field.hh b/galois_field.hh
index 81fbadf..14f1741 100644
--- a/galois_field.hh
+++ b/galois_field.hh
@@ -113,8 +113,10 @@ struct Tables
 		EXP = exp_;
 		log_[exp_[N] = 0] = N;
 		TYPE a = 1;
-		for (int i = 0; i < N; ++i, a = next(a))
+		for (int i = 0; i < N; ++i, a = next(a)) {
 			log_[exp_[i] = a] = i;
+			assert(!i || a != 1);
+		}
 		assert(1 == a);
 	}
 	~Tables()