From b107cd7c3b3ea25a4a364793f00b8a9c5b7a9c26 Mon Sep 17 00:00:00 2001
From: victor <victor.vanthilt@gmail.com>
Date: Mon, 27 Jan 2025 12:05:14 +0100
Subject: [PATCH] optimize contraction order for `TRG`

---
 src/schemes/trg.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/schemes/trg.jl b/src/schemes/trg.jl
index 6402ba0..ed1cbaa 100644
--- a/src/schemes/trg.jl
+++ b/src/schemes/trg.jl
@@ -27,7 +27,7 @@ function step!(scheme::TRG, trunc::TensorKit.TruncationScheme)
     end
 
     # @plansor complains here, not sure why
-    @tensor scheme.T[-1 -2; -3 -4] := D[-1 1; 4] * B[-2; 2 1] * C[2; 3 -3] * A[4 3; -4]
+    @tensor scheme.T[-1 -2; -3 -4] := D[-1 1; 4] * B[-2; 3 1] * C[3; 2 -3] * A[4 2; -4]
     return scheme
 end