From 564a4658fc02fc4b6273245d1851cefc8cc0b330 Mon Sep 17 00:00:00 2001
From: mjmckp <mjmckp@users.noreply.github.com>
Date: Sat, 6 Jan 2018 08:38:52 +1100
Subject: [PATCH] Fix for IndexOutOfRangeException in GetHashCode method in
 certain cases where ColumnCount > RowCount (#535)

---
 src/Numerics/LinearAlgebra/Storage/MatrixStorage.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Numerics/LinearAlgebra/Storage/MatrixStorage.cs b/src/Numerics/LinearAlgebra/Storage/MatrixStorage.cs
index a7470dc3..25297625 100644
--- a/src/Numerics/LinearAlgebra/Storage/MatrixStorage.cs
+++ b/src/Numerics/LinearAlgebra/Storage/MatrixStorage.cs
@@ -191,7 +191,7 @@ namespace MathNet.Numerics.LinearAlgebra.Storage
                 for (var i = 0; i < hashNum; i++)
                 {
                     var col = i%ColumnCount;
-                    var row = (i - col)/RowCount;
+                    var row = (i - col)%RowCount;
                     hash = hash*31 + At(row, col).GetHashCode();
                 }
             }