From ade91397e03c35eb44cd7ded9b23d92780fd554d Mon Sep 17 00:00:00 2001
From: Oliver Sander <sander@igpm.rwth-aachen.de>
Date: Thu, 2 Sep 2010 07:29:55 +0000
Subject: [PATCH] add constructors from FieldVector and Dune::array
[[Imported from SVN: r6309]]
---
dune/gfe/unitvector.hh | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/dune/gfe/unitvector.hh b/dune/gfe/unitvector.hh
index 4c55ab40..960a0a45 100644
--- a/dune/gfe/unitvector.hh
+++ b/dune/gfe/unitvector.hh
@@ -60,6 +60,25 @@ public:
typedef Dune::FieldVector<double,dim-1> TangentVector;
typedef Dune::FieldVector<double,dim> EmbeddedTangentVector;
+
+ /** \brief Default constructor */
+ UnitVector()
+ {}
+
+ /** \brief Constructor from a vector. The vector gets normalized */
+ UnitVector(const Dune::FieldVector<double,dim>& vector)
+ : data_(vector)
+ {
+ data_ /= data_.two_norm();
+ }
+
+ /** \brief Constructor from an array. The array gets normalized */
+ UnitVector(const Dune::array<double,dim>& vector)
+ {
+ for (int i=0; i<dim; i++)
+ data_[i] = vector[i];
+ data_ /= data_.two_norm();
+ }
UnitVector<dim>& operator=(const Dune::FieldVector<double,dim>& vector)
{
--
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