From b9aaec03cd9de719e2348cf568bdac36f6fdc84a Mon Sep 17 00:00:00 2001
From: Tobias Braun <Tobias.braun2@rwth-aachen.de>
Date: Wed, 20 Nov 2024 22:42:20 +0100
Subject: [PATCH] Show method for pseudo-matrices modified (#1689)

Added an output for pseudo-matrices with zero rows that
---
 src/NumFieldOrd/NfOrd/LinearAlgebra.jl | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/NumFieldOrd/NfOrd/LinearAlgebra.jl b/src/NumFieldOrd/NfOrd/LinearAlgebra.jl
index e9a595bed7..f313ff19a7 100644
--- a/src/NumFieldOrd/NfOrd/LinearAlgebra.jl
+++ b/src/NumFieldOrd/NfOrd/LinearAlgebra.jl
@@ -214,7 +214,9 @@ end
 
 function show(io::IO, P::PMat)
   compact = get(io, :compact, false)
-  if compact
+  if nrows(P.matrix) == 0
+    print(io, "empty $(0) x $(ncols(P)) pseudo-matrix")
+  elseif compact
     for i in 1:nrows(P.matrix)
       i == 1 || print(io, "\n")
       print(io, "(")