[Boost-commit] svn:boost r71660 - sandbox/odeint/branches/karsten/libs/numeric/odeint/ideas/fusion_runge_kutta

Subject: [Boost-commit] svn:boost r71660 - sandbox/odeint/branches/karsten/libs/numeric/odeint/ideas/fusion_runge_kutta
From: mario.mulansky_at_[hidden]
Date: 2011-05-02 03:43:31

Author: mariomulansky
Date: 2011-05-02 03:43:31 EDT (Mon, 02 May 2011)
New Revision: 71660
URL: http://svn.boost.org/trac/boost/changeset/71660

Log:
+ fusion foreach performance
Added:
   sandbox/odeint/branches/karsten/libs/numeric/odeint/ideas/fusion_runge_kutta/fusion_foreach_performance.hpp   (contents, props changed)
Text files modified: 
   sandbox/odeint/branches/karsten/libs/numeric/odeint/ideas/fusion_runge_kutta/fusion_explicit_rk_new.hpp |     1 +                                       
   1 files changed, 1 insertions(+), 0 deletions(-)

Modified: sandbox/odeint/branches/karsten/libs/numeric/odeint/ideas/fusion_runge_kutta/fusion_explicit_rk_new.hpp
==============================================================================
--- sandbox/odeint/branches/karsten/libs/numeric/odeint/ideas/fusion_runge_kutta/fusion_explicit_rk_new.hpp	(original)
+++ sandbox/odeint/branches/karsten/libs/numeric/odeint/ideas/fusion_runge_kutta/fusion_explicit_rk_new.hpp	2011-05-02 03:43:31 EDT (Mon, 02 May 2011)
@@ -20,6 +20,7 @@
 #include <boost/array.hpp>
 
 #include "fusion_algebra.hpp"
+#include "fusion_foreach_performance.hpp"
 
 namespace mpl = boost::mpl;
 namespace fusion = boost::fusion;

Added: sandbox/odeint/branches/karsten/libs/numeric/odeint/ideas/fusion_runge_kutta/fusion_foreach_performance.hpp
==============================================================================
--- (empty file)
+++ sandbox/odeint/branches/karsten/libs/numeric/odeint/ideas/fusion_runge_kutta/fusion_foreach_performance.hpp	2011-05-02 03:43:31 EDT (Mon, 02 May 2011)
@@ -0,0 +1,37 @@
+#include <boost/fusion/sequence/intrinsic/begin.hpp>
+#include <boost/fusion/sequence/intrinsic/end.hpp>
+#include <boost/fusion/iterator/equal_to.hpp>
+#include <boost/fusion/iterator/next.hpp>
+#include <boost/fusion/iterator/deref.hpp>
+#include <boost/fusion/iterator/distance.hpp>
+#include <boost/mpl/bool.hpp>
+
+namespace boost { namespace fusion {
+namespace detail
+{
+	template<>
+    struct for_each_unrolled<6>
+    {
+        template<typename I0, typename F>
+        static void call(I0 const& i0, F const& f)
+        {
+            f(*i0);
+            typedef typename result_of::next<I0>::type I1;
+            I1 i1(fusion::next(i0));
+            f(*i1);
+            typedef typename result_of::next<I1>::type I2;
+            I2 i2(fusion::next(i1));
+            f(*i2);
+			typedef typename result_of::next<I2>::type I3;
+            I3 i3(fusion::next(i2));
+            f(*i3);
+			typedef typename result_of::next<I3>::type I4;
+            I4 i4(fusion::next(i3));
+            f(*i4);
+			typedef typename result_of::next<I4>::type I5;
+            I5 i5(fusion::next(i4));
+            f(*i5);
+        }
+    };
+}
+} }
\ No newline at end of file