From 8786684583440ee421e4060c809a566093f71a98 Mon Sep 17 00:00:00 2001
From: jnyrup <jnyrup@gmail.com>
Date: Sat, 20 Jan 2018 09:23:08 +0100
Subject: [PATCH] Use TryGetValue instead

---
 .../Complex/Solvers/ILUTPPreconditioner.cs         | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/src/Numerics/LinearAlgebra/Complex/Solvers/ILUTPPreconditioner.cs b/src/Numerics/LinearAlgebra/Complex/Solvers/ILUTPPreconditioner.cs
index 42792c6f..29cb2d32 100644
--- a/src/Numerics/LinearAlgebra/Complex/Solvers/ILUTPPreconditioner.cs
+++ b/src/Numerics/LinearAlgebra/Complex/Solvers/ILUTPPreconditioner.cs
@@ -552,20 +552,14 @@ namespace MathNet.Numerics.LinearAlgebra.Complex.Solvers
         /// <returns><c>true</c> if performed, otherwise <c>false</c></returns>
         bool PivotMapFound(Dictionary<int, int> knownPivots, int currentItem)
         {
-            if (knownPivots.ContainsKey(_pivots[currentItem]))
+            if (knownPivots.TryGetValue(_pivots[currentItem], out var knownPivot) && knownPivot.Equals(currentItem))
             {
-                if (knownPivots[_pivots[currentItem]].Equals(currentItem))
-                {
-                    return true;
-                }
+                return true;
             }
 
-            if (knownPivots.ContainsKey(currentItem))
+            if (knownPivots.TryGetValue(currentItem, out var pivot) && pivot.Equals(_pivots[currentItem]))
             {
-                if (knownPivots[currentItem].Equals(_pivots[currentItem]))
-                {
-                    return true;
-                }
+                return true;
             }
 
             return false;