From 488109536825be397adb5de9e0be009f23e9e9d1 Mon Sep 17 00:00:00 2001
From: Joey <joeytindall94@googlemail.com>
Date: Fri, 5 Apr 2024 11:29:34 -0400
Subject: [PATCH] Added ToDO for norm_sqr_network

---
 src/abstractitensornetwork.jl | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/abstractitensornetwork.jl b/src/abstractitensornetwork.jl
index c5847eae..77fb73b8 100644
--- a/src/abstractitensornetwork.jl
+++ b/src/abstractitensornetwork.jl
@@ -738,6 +738,9 @@ function inner_network(
   return BilinearFormNetwork(A, x, y; kwargs...)
 end
 
+# TODO: We should make this pass to inner_network and then to BiLinearForm. 
+# Parts of the code (tests relying on norm_sqr being two layer and the gauging code
+#  which relies on specific message tensors) currently would break in that case so we need to resolve
 function norm_sqr_network(ψ::AbstractITensorNetwork)
   return disjoint_union("bra" => dag(prime(ψ; sites=[])), "ket" => ψ)
 end