From af6d8e3c365679c386123a4da784d7db1789ea6d Mon Sep 17 00:00:00 2001
From: Francisco Ferreira <francisco-ferreira@mail.telepac.pt>
Date: Sat, 2 Apr 2016 20:24:38 +0100
Subject: [PATCH] AP_Param: explicitly cast to float to avoid Clang warning

/home/travis/build/ArduPilot/ardupilot/libraries/AP_Param/AP_Param.h:542:22: warning: using floating point absolute value function 'fabsf' when argument is of integer type [-Wabsolute-value]
        bool force = fabsf(_value - v) < FLT_EPSILON;
---
 libraries/AP_Param/AP_Param.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/AP_Param/AP_Param.h b/libraries/AP_Param/AP_Param.h
index 8c0cea352e..b7bda5543d 100644
--- a/libraries/AP_Param/AP_Param.h
+++ b/libraries/AP_Param/AP_Param.h
@@ -539,7 +539,7 @@ public:
     /// Combined set and save
     ///
     bool set_and_save(const T &v) {
-        bool force = fabsf(_value - v) < FLT_EPSILON;
+        bool force = fabsf((float)(_value - v)) < FLT_EPSILON;
         set(v);
         return save(force);
     }