From a69ee3ece9f88f426dbcd38cf6836daa33934339 Mon Sep 17 00:00:00 2001
From: Tyler Veness <calcmogul@gmail.com>
Date: Sat, 8 Jan 2022 11:09:29 -0800
Subject: [PATCH] [wpimath] Const-qualify Twist2d scalar multiply (#3882)

Fixes #3880.
---
 wpimath/src/main/native/include/frc/geometry/Twist2d.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wpimath/src/main/native/include/frc/geometry/Twist2d.h b/wpimath/src/main/native/include/frc/geometry/Twist2d.h
index 24d4d7e62c..6ad2b38a98 100644
--- a/wpimath/src/main/native/include/frc/geometry/Twist2d.h
+++ b/wpimath/src/main/native/include/frc/geometry/Twist2d.h
@@ -60,7 +60,7 @@ struct WPILIB_DLLEXPORT Twist2d {
    * @param factor The factor by which to scale.
    * @return The scaled Twist2d.
    */
-  Twist2d operator*(double factor) {
+  Twist2d operator*(double factor) const {
     return Twist2d{dx * factor, dy * factor, dtheta * factor};
   }
 };