From bc1187b4b8cd44a9f6b3425e433d37f35b826c30 Mon Sep 17 00:00:00 2001
From: Raphael Riebl <raphael.riebl@nfiniity.com>
Date: Mon, 21 Oct 2024 16:44:17 +0200
Subject: [PATCH] facilites: round altitude value to nearest integer value

---
 vanetza/facilities/cam_functions.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/vanetza/facilities/cam_functions.cpp b/vanetza/facilities/cam_functions.cpp
index 93a0d2e25..5d0bd3ee3 100644
--- a/vanetza/facilities/cam_functions.cpp
+++ b/vanetza/facilities/cam_functions.cpp
@@ -75,10 +75,11 @@ AltitudeConfidence_t to_altitude_confidence(units::Length confidence)
 AltitudeValue_t to_altitude_value(units::Length alt)
 {
     using boost::units::isnan;
+    static_assert(AltitudeValue_oneCentimeter == 1, "AltitudeValue encodes an integer number of centimeters");
 
     if (!isnan(alt)) {
         alt = boost::algorithm::clamp(alt, -1000.0 * units::si::meter, 8000.0 * units::si::meter);
-        return AltitudeValue_oneCentimeter * 100.0 * (alt / units::si::meter);
+        return round(alt, units::si::centi * units::si::meter);
     } else {
         return AltitudeValue_unavailable;
     }