From 99bc4cde565e2e8a77a77899b46f0f8929881f3e Mon Sep 17 00:00:00 2001
From: Daniel Richtmann <daniel.richtmann@physik.uni-regensburg.de>
Date: Wed, 8 Nov 2017 16:38:34 +0100
Subject: [PATCH] Fix an implementation error in FGMRES

---
 lib/algorithms/iterative/FlexibleGeneralisedMinimalResidual.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/algorithms/iterative/FlexibleGeneralisedMinimalResidual.h b/lib/algorithms/iterative/FlexibleGeneralisedMinimalResidual.h
index 3e677a77..94193484 100644
--- a/lib/algorithms/iterative/FlexibleGeneralisedMinimalResidual.h
+++ b/lib/algorithms/iterative/FlexibleGeneralisedMinimalResidual.h
@@ -174,7 +174,7 @@ class FlexibleGeneralisedMinimalResidual : public OperatorFunction<Field> {
     MatrixTimer.Stop();
 
     PrecTimer.Start();
-    Preconditioner(z, r);
+    Preconditioner(z, w);
     PrecTimer.Stop();
 
     LinalgTimer.Start();