fix problem at the source

src/engine/api/json_factory.cpp

@@ -211,7 +211,7 @@ util::json::Object makeIntersection(const guidance::Intersection &intersection)
         intersection.bearings.begin(),
         intersection.bearings.end(),
         std::back_inserter(bearings.values),
-        [](const double bearing) -> util::json::Value { return std::fmod(bearing, 360); });
+        [](const double bearing) -> util::json::Value { BOOST_ASSERT(bearing != 360.0); return std::fmod(bearing, 360); });
 
     entry.values.reserve(intersection.entry.size());
     std::transform(intersection.entry.begin(),

src/util/guidance/bearing_class.cpp

@@ -56,7 +56,7 @@ DiscreteBearing BearingClass::getDiscreteBearing(const double bearing)
 {
     BOOST_ASSERT(0. <= bearing && bearing <= 360.);
     auto shifted_bearing = (bearing + 0.5 * discrete_step_size);
-    if (shifted_bearing > 360.)
+    if (shifted_bearing >= 360.)
         shifted_bearing -= 360;
     return static_cast<DiscreteBearing>(shifted_bearing / discrete_step_size);
 }

src/util/guidance/turn_bearing.cpp

@@ -14,7 +14,7 @@ constexpr double bearing_scale = 360.0 / 256.0;
 // discretizes a bearing into distinct units of 1.4 degrees
 TurnBearing::TurnBearing(const double value) : bearing(value / bearing_scale)
 {
-    BOOST_ASSERT_MSG(value >= 0 && value <= 360.0, "Bearing value needs to be between 0 and 360");
+    BOOST_ASSERT_MSG(value >= 0 && value < 360.0, "Bearing value needs to be between 0 and 360 (exclusive)");
 }
 
 double TurnBearing::Get() const { return bearing * bearing_scale; }