From ba6aee4fd18b89976dcf3f84727c924e66985c13 Mon Sep 17 00:00:00 2001
From: Felix Schindler <felix.schindler@wwu.de>
Date: Sun, 10 Feb 2019 22:24:32 +0100
Subject: [PATCH] [operators] fix apply2() signature

---
 dune/gdt/operators/interfaces.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dune/gdt/operators/interfaces.hh b/dune/gdt/operators/interfaces.hh
index d3852d35c..4003ba4ec 100644
--- a/dune/gdt/operators/interfaces.hh
+++ b/dune/gdt/operators/interfaces.hh
@@ -684,8 +684,8 @@ invert_options(some_type).get<std::string>("type") == some_type
     return RangeFunctionType(this->range_space(), this->apply(source.dofs().vector(), param));
   }
 
-  virtual FieldType apply2(const SourceFunctionType& range,
-                           const RangeFunctionType& source,
+  virtual FieldType apply2(const RangeFunctionType& range,
+                           const SourceFunctionType& source,
                            const XT::Common::Parameter& param = {}) const
   {
     DUNE_THROW_IF(!this->source_space().contains(source),
-- 
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