From da4a319e6efadd50564e7446ce56f33f06f2d2f2 Mon Sep 17 00:00:00 2001
From: Luca Fedeli <luca.fedeli@cea.fr>
Date: Mon, 10 Mar 2025 14:06:47 +0100
Subject: [PATCH] eliminate WarpX::GetInstance from
 WarpX::ReadExternalFieldFromFile

---
 Source/Initialization/WarpXInitData.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/Source/Initialization/WarpXInitData.cpp b/Source/Initialization/WarpXInitData.cpp
index 3089fd7304c..26d9cc1950b 100644
--- a/Source/Initialization/WarpXInitData.cpp
+++ b/Source/Initialization/WarpXInitData.cpp
@@ -1555,8 +1555,7 @@ WarpX::ReadExternalFieldFromFile (
        const std::string& F_name, const std::string& F_component)
 {
     // Get WarpX domain info
-    auto& warpx = WarpX::GetInstance();
-    amrex::Geometry const& geom0 = warpx.Geom(0);
+    amrex::Geometry const& geom0 = Geom(0);
     const amrex::RealBox& real_box = geom0.ProbDomain();
     const auto dx = geom0.CellSizeArray();
     const amrex::IntVect nodal_flag = mf->ixType().toIntVect();