From b4b2024982dc3845be7742c22e7ec4a4c1437887 Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <andrew@tridgell.net>
Date: Wed, 9 Mar 2022 08:53:58 +1100
Subject: [PATCH] AP_Math: fixed build error on cygwin

ensure variables are always initialised
---
 libraries/AP_Math/SCurve.cpp | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/libraries/AP_Math/SCurve.cpp b/libraries/AP_Math/SCurve.cpp
index 42a14ca797..5d60eacd03 100644
--- a/libraries/AP_Math/SCurve.cpp
+++ b/libraries/AP_Math/SCurve.cpp
@@ -622,11 +622,12 @@ void SCurve::advance_time(float dt)
 // calculate the jerk, acceleration, velocity and position at the provided time
 void SCurve::get_jerk_accel_vel_pos_at_time(float time_now, float &Jt_out, float &At_out, float &Vt_out, float &Pt_out) const
 {
+    // start with zeros as function is void and we want to guarantee all outputs are initialised
+    Jt_out = 0;
+    At_out = 0;
+    Vt_out = 0;
+    Pt_out = 0;
     if (num_segs != segments_max) {
-        Jt_out = 0;
-        At_out = 0;
-        Vt_out = 0;
-        Pt_out = 0;
         return;
     }