From c3f87ad62223f8f46a62edd2b0484ae0edb843e5 Mon Sep 17 00:00:00 2001
From: thisiskeithb <13375512+thisiskeithb@users.noreply.github.com>
Date: Sat, 27 Apr 2024 19:05:11 -0700
Subject: [PATCH] =?UTF-8?q?=F0=9F=90=9B=20Fix=20bool=20evalution=20of=20XY?=
 =?UTF-8?q?val=20and=20similar=20types=20[2.1.x]?=
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Fixes Input Shaping bootloop among other issues. See https://github.com/MarlinFirmware/Marlin/pull/26936 for more information.

Co-authored-by: sjasonsmith <20053467+sjasonsmith@users.noreply.github.com>
---
 Marlin/src/core/types.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Marlin/src/core/types.h b/Marlin/src/core/types.h
index 6ec0771d8484..75dcce4e3cbd 100644
--- a/Marlin/src/core/types.h
+++ b/Marlin/src/core/types.h
@@ -451,7 +451,7 @@ struct XYval {
   // Length reduced to one dimension
   FI constexpr T magnitude()    const { return (T)sqrtf(x*x + y*y); }
   // Pointer to the data as a simple array
-  FI operator T* ()                   { return pos; }
+  explicit FI operator T* ()          { return pos; }
   // If any element is true then it's true
   FI constexpr operator bool()  const { return x || y; }
   // Smallest element
@@ -601,7 +601,7 @@ struct XYZval {
   // Length reduced to one dimension
   FI constexpr T magnitude()    const { return (T)TERN(HAS_X_AXIS, sqrtf(NUM_AXIS_GANG(x*x, + y*y, + z*z, + i*i, + j*j, + k*k, + u*u, + v*v, + w*w)), 0); }
   // Pointer to the data as a simple array
-  FI operator T* ()                   { return pos; }
+  explicit FI operator T* ()          { return pos; }
   // If any element is true then it's true
   FI constexpr operator bool()  const { return 0 NUM_AXIS_GANG(|| x, || y, || z, || i, || j, || k, || u, || v, || w); }
   // Smallest element
@@ -749,7 +749,7 @@ struct XYZEval {
   // Length reduced to one dimension
   FI constexpr T magnitude()    const { return (T)sqrtf(LOGICAL_AXIS_GANG(+ e*e, + x*x, + y*y, + z*z, + i*i, + j*j, + k*k, + u*u, + v*v, + w*w)); }
   // Pointer to the data as a simple array
-  FI operator T* ()                   { return pos; }
+  explicit FI operator T* ()          { return pos; }
   // If any element is true then it's true
   FI constexpr operator bool()  const { return 0 LOGICAL_AXIS_GANG(|| e, || x, || y, || z, || i, || j, || k, || u, || v, || w); }
   // Smallest element