From 477bf46f25ecd830f25bdeac2b4336402b97f530 Mon Sep 17 00:00:00 2001
From: Abdullah Tahiri <abdullah.tahiri.yo@gmail.com>
Date: Wed, 21 Dec 2022 16:18:47 +0100
Subject: [PATCH] Solver: Pass map by const reference to avoid performance
 penalty

================================================================

Credit goes for forum user acolomitchi:

https://forum.freecadweb.org/viewtopic.php?p=648807#p648807
---
 src/Mod/Sketcher/App/planegcs/Constraints.cpp | 2 +-
 src/Mod/Sketcher/App/planegcs/Constraints.h   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Mod/Sketcher/App/planegcs/Constraints.cpp b/src/Mod/Sketcher/App/planegcs/Constraints.cpp
index 17b85b1c7b..6a5328af31 100644
--- a/src/Mod/Sketcher/App/planegcs/Constraints.cpp
+++ b/src/Mod/Sketcher/App/planegcs/Constraints.cpp
@@ -41,7 +41,7 @@ Constraint::Constraint()
 {
 }
 
-void Constraint::redirectParams(MAP_pD_pD redirectionmap)
+void Constraint::redirectParams(const MAP_pD_pD & redirectionmap)
 {
     int i=0;
     for (VEC_pD::iterator param=origpvec.begin();
diff --git a/src/Mod/Sketcher/App/planegcs/Constraints.h b/src/Mod/Sketcher/App/planegcs/Constraints.h
index 685f5fcfa3..d971d72750 100644
--- a/src/Mod/Sketcher/App/planegcs/Constraints.h
+++ b/src/Mod/Sketcher/App/planegcs/Constraints.h
@@ -118,7 +118,7 @@ namespace GCS
 
         inline VEC_pD params() { return pvec; }
 
-        void redirectParams(MAP_pD_pD redirectionmap);
+        void redirectParams(const MAP_pD_pD & redirectionmap);
         void revertParams();
         void setTag(int tagId) { tag = tagId; }
         int getTag() { return tag; }