From 2fc9ad6657d2079102dd561a89220398de62f930 Mon Sep 17 00:00:00 2001
From: Scott Lahteine <sourcetree@thinkyhead.com>
Date: Sat, 17 Sep 2016 16:21:08 -0500
Subject: [PATCH] Use const ref args in probe_pt

---
 Marlin/Marlin_main.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp
index 90eb6e0357..9d7d6b15ef 100644
--- a/Marlin/Marlin_main.cpp
+++ b/Marlin/Marlin_main.cpp
@@ -2006,7 +2006,7 @@ static void clean_up_after_endstop_or_probe_move() {
   //   - Raise to the BETWEEN height
   // - Return the probed Z position
   //
-  static float probe_pt(float x, float y, bool stow = true, int verbose_level = 1) {
+  static float probe_pt(const float &x, const float &y, bool stow = true, int verbose_level = 1) {
     #if ENABLED(DEBUG_LEVELING_FEATURE)
       if (DEBUGGING(LEVELING)) {
         SERIAL_ECHOPAIR(">>> probe_pt(", x);