From 05925b57ad86f6de13a01bec5ec2fda3c767895f Mon Sep 17 00:00:00 2001
From: Peter Barker <pbarker@barker.dropbear.id.au>
Date: Fri, 5 Jul 2019 10:12:57 +1000
Subject: [PATCH] Copter: mark position_ok methods as const

---
 ArduCopter/Copter.h   | 6 +++---
 ArduCopter/system.cpp | 6 +++---
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/ArduCopter/Copter.h b/ArduCopter/Copter.h
index 24a29a6446..07cb35bc91 100644
--- a/ArduCopter/Copter.h
+++ b/ArduCopter/Copter.h
@@ -839,9 +839,9 @@ private:
     // system.cpp
     void init_ardupilot();
     void startup_INS_ground();
-    bool position_ok();
-    bool ekf_position_ok();
-    bool optflow_position_ok();
+    bool position_ok() const;
+    bool ekf_position_ok() const;
+    bool optflow_position_ok() const;
     void update_auto_armed();
     bool should_log(uint32_t mask);
     MAV_TYPE get_frame_mav_type();
diff --git a/ArduCopter/system.cpp b/ArduCopter/system.cpp
index e45cbb908b..0e12045a48 100644
--- a/ArduCopter/system.cpp
+++ b/ArduCopter/system.cpp
@@ -272,7 +272,7 @@ void Copter::startup_INS_ground()
 }
 
 // position_ok - returns true if the horizontal absolute position is ok and home position is set
-bool Copter::position_ok()
+bool Copter::position_ok() const
 {
     // return false if ekf failsafe has triggered
     if (failsafe.ekf) {
@@ -284,7 +284,7 @@ bool Copter::position_ok()
 }
 
 // ekf_position_ok - returns true if the ekf claims it's horizontal absolute position estimate is ok and home position is set
-bool Copter::ekf_position_ok()
+bool Copter::ekf_position_ok() const
 {
     if (!ahrs.have_inertial_nav()) {
         // do not allow navigation with dcm position
@@ -304,7 +304,7 @@ bool Copter::ekf_position_ok()
 }
 
 // optflow_position_ok - returns true if optical flow based position estimate is ok
-bool Copter::optflow_position_ok()
+bool Copter::optflow_position_ok() const
 {
 #if OPTFLOW != ENABLED && VISUAL_ODOMETRY_ENABLED != ENABLED
     return false;