From 00d18cde183c6e553f20128f225dc24cbd784bd9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sergio=20S=C3=A1nchez=20Ram=C3=ADrez?=
 <sergio.sanchez.ramirez+git@bsc.es>
Date: Thu, 14 Mar 2024 18:20:14 +0100
Subject: [PATCH] Fix `truncate!` when `maxdim` is bigger than the size of the
 index

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

diff --git a/src/Ansatz/Chain.jl b/src/Ansatz/Chain.jl
index 1a48e36..eab4d42 100644
--- a/src/Ansatz/Chain.jl
+++ b/src/Ansatz/Chain.jl
@@ -319,7 +319,7 @@ function truncate!(qtn::Chain, bond; threshold::Union{Nothing,Real} = nothing, m
     spectrum = parent(tensor)
 
     extent = if !isnothing(maxdim)
-        1:maxdim
+        1:min(size(TensorNetwork(qtn), vind), maxdim)
     elseif !isnothing(threshold)
         findall(>(threshold) ∘ abs, spectrum)
     else