From d4660189a80f54671872e2980d077a55e23d4c4e Mon Sep 17 00:00:00 2001
From: Oliver Sander <sander@igpm.rwth-aachen.de>
Date: Fri, 10 Jun 2011 14:38:03 +0000
Subject: [PATCH] implement method
thirdDerivativeOfDistanceSquaredWRTSecondArgument
[[Imported from SVN: r7414]]
---
dune/gfe/realtuple.hh | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/dune/gfe/realtuple.hh b/dune/gfe/realtuple.hh
index 40688fe3..da70e167 100644
--- a/dune/gfe/realtuple.hh
+++ b/dune/gfe/realtuple.hh
@@ -104,6 +104,14 @@ public:
return result;
}
+ /** \brief Compute the mixed third derivative \partial d^3 / \partial db^3
+
+ The result is the constant zero-tensor.
+ */
+ static Tensor3<double,N,N,N> thirdDerivativeOfDistanceSquaredWRTSecondArgument(const RealTuple& a, const RealTuple& b) {
+ return Tensor3<double,N,N,N>(0);
+ }
+
/** \brief Compute the mixed third derivative \partial d^3 / \partial da db^2
The result is the constant zero-tensor.
--
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