From 2d05f8e86ad71f372d578509cd43e64e43ff846e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Carsten=20Gr=C3=A4ser?= <graeser@mi.fu-berlin.de>
Date: Tue, 20 Mar 2018 23:01:45 +0100
Subject: [PATCH] [concept] Add concept for a VectorBackend
---
dune/functions/functionspacebases/concepts.hh | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/dune/functions/functionspacebases/concepts.hh b/dune/functions/functionspacebases/concepts.hh
index d2cfef3..b5ddcdc 100644
--- a/dune/functions/functionspacebases/concepts.hh
+++ b/dune/functions/functionspacebases/concepts.hh
@@ -250,6 +250,19 @@ struct GlobalBasis
);
};
+
+
+// Concept for a VectorBackend
+template<class GlobalBasis>
+struct VectorBackend
+{
+ template<class V>
+ auto require(const V& v) -> decltype(
+ const_cast<V&>(v).resize(std::declval<const GlobalBasis&>()),
+ v[std::declval<typename GlobalBasis::MultiIndex>()]
+ );
+};
+
} // namespace Dune::Functions::Concept
} // namespace Dune::Functions
} // namespace Dune
--
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