From 6445c66edb44fa64998c46b049c2c68890ef1f76 Mon Sep 17 00:00:00 2001
From: richard-allen <richard.allen@whiteoakam.com>
Date: Wed, 21 Sep 2022 15:47:12 +0100
Subject: [PATCH] Fix initialisation bug in sparse matrix
 DoTransposeThisAndMultiply operation

---
 src/Numerics/LinearAlgebra/Double/SparseMatrix.cs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Numerics/LinearAlgebra/Double/SparseMatrix.cs b/src/Numerics/LinearAlgebra/Double/SparseMatrix.cs
index ff9a2f9aa..2ba2edff3 100644
--- a/src/Numerics/LinearAlgebra/Double/SparseMatrix.cs
+++ b/src/Numerics/LinearAlgebra/Double/SparseMatrix.cs
@@ -1162,6 +1162,7 @@ protected override void DoTransposeAndMultiply(Matrix<double> other, Matrix<doub
         /// <param name="result">The result of the multiplication.</param>
         protected override void DoTransposeThisAndMultiply(Vector<double> rightSide, Vector<double> result)
         {
+            result.Clear();
             var rowPointers = _storage.RowPointers;
             var columnIndices = _storage.ColumnIndices;
             var values = _storage.Values;