From: Daniel Karbach <daniel.karbach@localhorst.tv>
Date: Tue, 8 Sep 2015 14:01:08 +0000 (+0200)
Subject: fix special case in rng
X-Git-Url: https://git.localhorst.tv/?a=commitdiff_plain;h=bb83e2c9db0fc9746eb076a0ecbd5c64f899d7eb;p=blank.git

fix special case in rng
---

diff --git a/src/rand/GaloisLFSR.hpp b/src/rand/GaloisLFSR.hpp
index 395ff8f..b071443 100644
--- a/src/rand/GaloisLFSR.hpp
+++ b/src/rand/GaloisLFSR.hpp
@@ -12,7 +12,11 @@ class GaloisLFSR {
 public:
 	// seed should be non-zero
 	explicit GaloisLFSR(std::uint64_t seed) noexcept
-	: state(seed) { }
+	: state(seed) {
+		if (state == 0) {
+			state = 1;
+		}
+	}
 
 	// get the next bit
 	bool operator ()() noexcept {