From d3e1efe1596768ea2312ea9e03906bac7aaf2bc8 Mon Sep 17 00:00:00 2001
From: Christian Engwer <christi@dune-project.org>
Date: Thu, 15 Oct 2009 11:44:43 +0000
Subject: [PATCH] add method to compute the conjugate complex value of k
[[Imported from SVN: r5658]]
---
dune/common/misc.hh | 23 ++++++++++++++++++++---
1 file changed, 20 insertions(+), 3 deletions(-)
diff --git a/dune/common/misc.hh b/dune/common/misc.hh
index 4a3edc7b4..5a6cab65c 100644
--- a/dune/common/misc.hh
+++ b/dune/common/misc.hh
@@ -9,15 +9,15 @@
#include <iostream>
#include <sstream>
+#include <complex>
#include "exceptions.hh"
-#include "deprecated.hh"
namespace Dune {
/** \brief Map an integer value to a type
- This comes in handy if one tries to emulate member function specialization.
- The idea how to do it is presented in "Modern C++ Design" by Alexandrescu.
+ This comes in handy if one tries to emulate member function specialization.
+ The idea how to do it is presented in "Modern C++ Design" by Alexandrescu.
*/
template <int N>
struct Int2Type {
@@ -29,6 +29,23 @@ namespace Dune {
@{
*/
+ //! compute conjugate complex of x
+ // conjugate complex does nothing for non-complex types
+ template<class K>
+ inline K conjugateComplex (const K& x)
+ {
+ return x;
+ }
+
+#ifndef DOXYGEN
+ // specialization for complex
+ template<class K>
+ inline std::complex<K> conjugateComplex (const std::complex<K>& c)
+ {
+ return std::complex<K>(c.real(),-c.imag());
+ }
+#endif
+
//! Return the sign of the value
template <class T>
int sign(const T& val)
--
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