From 0850b38b452fe48c105d08910cad57c4f81f775c Mon Sep 17 00:00:00 2001
From: Roxy-3D <Roxy-3D@users.noreply.github.com>
Date: Sat, 2 Dec 2017 14:10:30 -0600
Subject: [PATCH] Get Bi-Linear working with G26

G26 uses logic that looks like:
```
ex = _GET_MESH_X(i + 1) - (SIZE_OF_INTERSECTION_CIRCLES - (SIZE_OF_CROSSHAIRS));
```
The Bi-Linear macros need parenthesis to work correctly.
---
 Marlin/src/feature/bedlevel/bedlevel.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Marlin/src/feature/bedlevel/bedlevel.h b/Marlin/src/feature/bedlevel/bedlevel.h
index cf323175d0..e707671773 100644
--- a/Marlin/src/feature/bedlevel/bedlevel.h
+++ b/Marlin/src/feature/bedlevel/bedlevel.h
@@ -72,8 +72,8 @@ void reset_bed_level();
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_BILINEAR)
-  #define _GET_MESH_X(I) bilinear_start[X_AXIS] + I * bilinear_grid_spacing[X_AXIS]
-  #define _GET_MESH_Y(J) bilinear_start[Y_AXIS] + J * bilinear_grid_spacing[Y_AXIS]
+  #define _GET_MESH_X(I) (bilinear_start[X_AXIS] + I * bilinear_grid_spacing[X_AXIS])
+  #define _GET_MESH_Y(J) (bilinear_start[Y_AXIS] + J * bilinear_grid_spacing[Y_AXIS])
 #elif ENABLED(AUTO_BED_LEVELING_UBL)
   #define _GET_MESH_X(I) ubl.mesh_index_to_xpos(I)
   #define _GET_MESH_Y(J) ubl.mesh_index_to_ypos(J)
-- 
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