From a9e949321c0d36824eaebfd9bf89ddde7ff9ebcd Mon Sep 17 00:00:00 2001
From: Jeremie Deray <jeremie.deray@pal-robotics.com>
Date: Fri, 14 Jul 2017 10:32:11 +0200
Subject: [PATCH] added static InvalidStamp

---
 src/time_stamp.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/time_stamp.h b/src/time_stamp.h
index ad9c78a14..f0d0eede3 100644
--- a/src/time_stamp.h
+++ b/src/time_stamp.h
@@ -254,6 +254,8 @@ inline TimeStamp TimeStamp::operator +(const Scalar& dt) const
     return TimeStamp(time_stamp_ + dt);
 }
 
+static const TimeStamp InvalidStamp(-1,-1);
+
 } // namespace wolf
 
 #endif
-- 
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