From 2c1e99858b51a4e24301e5abc37c4373a4e57916 Mon Sep 17 00:00:00 2001
From: Thomas Harte <thomas.harte@gmail.com>
Date: Tue, 17 Oct 2017 22:22:51 -0400
Subject: [PATCH] Fixed HalfCycles to allow conversion from Cycles without
 relying on undefined behaviour.

Specifically: left shifting a negative number.
---
 ClockReceiver/ClockReceiver.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ClockReceiver/ClockReceiver.hpp b/ClockReceiver/ClockReceiver.hpp
index 097b1c6db..a6f41b5f9 100644
--- a/ClockReceiver/ClockReceiver.hpp
+++ b/ClockReceiver/ClockReceiver.hpp
@@ -161,7 +161,7 @@ class HalfCycles: public WrappedInt<HalfCycles> {
 		inline HalfCycles(int l) : WrappedInt<HalfCycles>(l) {}
 		inline HalfCycles() : WrappedInt<HalfCycles>() {}
 
-		inline HalfCycles(const Cycles cycles) : WrappedInt<HalfCycles>(cycles.as_int() << 1) {}
+		inline HalfCycles(const Cycles cycles) : WrappedInt<HalfCycles>(cycles.as_int() * 2) {}
 		inline HalfCycles(const HalfCycles &half_cycles) : WrappedInt<HalfCycles>(half_cycles.length_) {}
 
 		/// @returns The number of whole cycles completely covered by this span of half cycles.