From bc6d98a53441bfc51bfc8aa8dd379583e1de2fa8 Mon Sep 17 00:00:00 2001
From: Daniel Bernard <daniel.john.bernard@gmail.com>
Date: Sun, 28 Oct 2018 18:13:27 -0500
Subject: [PATCH] Expand pow(#, 2) to optimize math in nx_touch

---
 nx_main/nx_touch.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nx_main/nx_touch.c b/nx_main/nx_touch.c
index 49b6200..6abed40 100644
--- a/nx_main/nx_touch.c
+++ b/nx_main/nx_touch.c
@@ -14,7 +14,7 @@
 #define LAUNCH_BUTTON_START_X 1092
 #define LAUNCH_BUTTON_END_X 1200
 
-#define distance(x1, y1, x2, y2) (int) sqrt(pow(x2 - x1, 2) + pow(y2 - y1, 2))
+#define distance(x1, y1, x2, y2) (int) sqrt(((x2 - x1) * (x2 - x1)) + ((y2 - y1) * (y2 - y1)))
 
 struct touchInfo_s touchInfo;