From bdf4739ac8900948ed94366c8140733dff67ecee Mon Sep 17 00:00:00 2001
From: Simon Praetorius <simon.praetorius@tu-dresden.de>
Date: Tue, 4 Dec 2018 15:57:52 -0500
Subject: [PATCH] added negation operator for FieldMatrix
---
src/amdis/common/FieldMatVec.hpp | 3 +++
src/amdis/common/FieldMatVec.inc.hpp | 5 +++++
2 files changed, 8 insertions(+)
diff --git a/src/amdis/common/FieldMatVec.hpp b/src/amdis/common/FieldMatVec.hpp
index add41977..6a316262 100644
--- a/src/amdis/common/FieldMatVec.hpp
+++ b/src/amdis/common/FieldMatVec.hpp
@@ -197,6 +197,9 @@ namespace Dune
template <class T, int M, int N>
FieldMatrix<T,N,M> trans(FieldMatrix<T, M, N> const& A);
+ template <class T, int M, int N>
+ FieldMatrix<T,M,N> operator-(FieldMatrix<T, M, N> A);
+
template <class T, int M, int N, class S,
std::enable_if_t<std::is_convertible<S,T>::value, int> = 0>
diff --git a/src/amdis/common/FieldMatVec.inc.hpp b/src/amdis/common/FieldMatVec.inc.hpp
index c0d56410..cadb8d3a 100644
--- a/src/amdis/common/FieldMatVec.inc.hpp
+++ b/src/amdis/common/FieldMatVec.inc.hpp
@@ -349,6 +349,11 @@ FieldMatrix<T,N,M> trans(FieldMatrix<T, M, N> const& A)
return At;
}
+template <class T, int M, int N>
+FieldMatrix<T,M,N> operator-(FieldMatrix<T,M,N> A)
+{
+ return A *= -1;
+}
template <class T, int M, int N, class S,
std::enable_if_t<std::is_convertible<S,T>::value, int>>
--
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