From e22e0763d94a94776a33f8557dddadc3432342cf Mon Sep 17 00:00:00 2001
From: XDA-Bam <1209896+XDA-Bam@users.noreply.github.com>
Date: Mon, 11 May 2020 04:23:51 +0200
Subject: [PATCH] Reduce division in JD calc (#17945)

---
 Marlin/src/module/planner.h | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/Marlin/src/module/planner.h b/Marlin/src/module/planner.h
index f2b90cd994..60dbb612c7 100644
--- a/Marlin/src/module/planner.h
+++ b/Marlin/src/module/planner.h
@@ -910,8 +910,12 @@ class Planner {
 
       FORCE_INLINE static float limit_value_by_axis_maximum(const float &max_value, xyze_float_t &unit_vec) {
         float limit_value = max_value;
-        LOOP_XYZE(idx) if (unit_vec[idx]) // Avoid divide by zero
-          NOMORE(limit_value, ABS(settings.max_acceleration_mm_per_s2[idx] / unit_vec[idx]));
+        LOOP_XYZE(idx) {
+          if (unit_vec[idx]) {
+            if (limit_value * ABS(unit_vec[idx]) > settings.max_acceleration_mm_per_s2[idx])
+              limit_value = ABS(settings.max_acceleration_mm_per_s2[idx] / unit_vec[idx]);
+          }
+        }
         return limit_value;
       }