From 61e261caf508f741bc8f23b8705f861b0b728382 Mon Sep 17 00:00:00 2001
From: Peter Barker <pbarker@barker.dropbear.id.au>
Date: Thu, 27 Jun 2019 13:22:56 +1000
Subject: [PATCH] AP_Soaring: remove definition of 'N' macro in favour of
 scoped variable

---
 libraries/AP_Soaring/ExtendedKalmanFilter.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/libraries/AP_Soaring/ExtendedKalmanFilter.h b/libraries/AP_Soaring/ExtendedKalmanFilter.h
index 0e01a213d3..6775b7c08f 100644
--- a/libraries/AP_Soaring/ExtendedKalmanFilter.h
+++ b/libraries/AP_Soaring/ExtendedKalmanFilter.h
@@ -9,12 +9,12 @@ Extended Kalman Filter class by Sam Tabor, 2013.
 
 #include <AP_Math/matrixN.h>
 
-#define N 4
-
 class ExtendedKalmanFilter {
 public:
     ExtendedKalmanFilter(void) {}
-    
+
+    static constexpr const uint8_t N = 4;
+
     VectorN<float,N> X;
     MatrixN<float,N> P;
     MatrixN<float,N> Q;