From 0a99702f9e2ca166a35f687d3d0a6292bf07fbc0 Mon Sep 17 00:00:00 2001
From: mattijs <mattijs>
Date: Wed, 8 Jan 2025 11:53:16 +0000
Subject: [PATCH] ENH: lowerCSR: ignore lowerCSR for matrix type.

Reverting 267bd1af36 since makes it hard
to run cell-based algorithm on symmetric matrix.

- might become a problem if all discretisation
becomes lowerCSR based and lower() is never
constructed ...
---
 src/OpenFOAM/matrices/lduMatrix/lduMatrix/lduMatrix.H | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/OpenFOAM/matrices/lduMatrix/lduMatrix/lduMatrix.H b/src/OpenFOAM/matrices/lduMatrix/lduMatrix/lduMatrix.H
index ee6b8d5bd2..40179089fd 100644
--- a/src/OpenFOAM/matrices/lduMatrix/lduMatrix/lduMatrix.H
+++ b/src/OpenFOAM/matrices/lduMatrix/lduMatrix/lduMatrix.H
@@ -708,19 +708,19 @@ public:
         //- Matrix has diagonal only
         bool diagonal() const noexcept
         {
-            return (diagPtr_ && !lowerPtr_ && !lowerCSRPtr_ && !upperPtr_);
+            return (diagPtr_ && !lowerPtr_ && !upperPtr_);
         }
 
         //- Matrix is symmetric
         bool symmetric() const noexcept
         {
-            return (diagPtr_ && !(lowerPtr_ || lowerCSRPtr_) && upperPtr_);
+            return (diagPtr_ && !lowerPtr_ && upperPtr_);
         }
 
         //- Matrix is asymmetric (ie, full)
         bool asymmetric() const noexcept
         {
-            return (diagPtr_ && (lowerPtr_ || lowerCSRPtr_) && upperPtr_);
+            return (diagPtr_ && lowerPtr_ && upperPtr_);
         }