[Boost-commit] svn:boost r57225 - in sandbox/odeint/boost/numeric/odeint: . concepts

Subject: [Boost-commit] svn:boost r57225 - in sandbox/odeint/boost/numeric/odeint: . concepts
From: mario.mulansky_at_[hidden]
Date: 2009-10-29 10:40:52

Author: mariomulansky
Date: 2009-10-29 10:40:51 EDT (Thu, 29 Oct 2009)
New Revision: 57225
URL: http://svn.boost.org/trac/boost/changeset/57225

Log:
+resizer concept
Text files modified: 
   sandbox/odeint/boost/numeric/odeint/concepts/state_concept.hpp |    22 ++++++++++++++++++++++                  
   sandbox/odeint/boost/numeric/odeint/euler.hpp                  |     1 -                                       
   sandbox/odeint/boost/numeric/odeint/resizer.hpp                |     4 ++++                                    
   3 files changed, 26 insertions(+), 1 deletions(-)

Modified: sandbox/odeint/boost/numeric/odeint/concepts/state_concept.hpp
==============================================================================
--- sandbox/odeint/boost/numeric/odeint/concepts/state_concept.hpp	(original)
+++ sandbox/odeint/boost/numeric/odeint/concepts/state_concept.hpp	2009-10-29 10:40:51 EDT (Thu, 29 Oct 2009)
@@ -20,6 +20,7 @@
 namespace numeric {
 namespace odeint {
 
+    /* Concept StateType */
     template<class X>
     struct StateType {
 
@@ -45,6 +46,27 @@
 
     };
 
+
+    /* Concept Resizable */
+    template<class X>
+    struct Resizable {
+
+    public:
+
+	//BOOST_CONCEPT_ASSERT((StateType<X>));
+
+	BOOST_CONCEPT_USAGE(Resizable)
+	{
+	    state.resize(1); // state has resize function
+	    size_t n = 2;
+	    state.resize(n);
+	}
+
+    private:
+	X state;
+
+	};
+
 } // namespace odeint
 } // namespace numeric
 } // namespace boost

Modified: sandbox/odeint/boost/numeric/odeint/euler.hpp
==============================================================================
--- sandbox/odeint/boost/numeric/odeint/euler.hpp	(original)
+++ sandbox/odeint/boost/numeric/odeint/euler.hpp	2009-10-29 10:40:51 EDT (Thu, 29 Oct 2009)
@@ -26,7 +26,6 @@
 namespace numeric {
 namespace odeint {
 
-
     template<
         class ContainerType ,
         class ResizeType = resizer< ContainerType >

Modified: sandbox/odeint/boost/numeric/odeint/resizer.hpp
==============================================================================
--- sandbox/odeint/boost/numeric/odeint/resizer.hpp	(original)
+++ sandbox/odeint/boost/numeric/odeint/resizer.hpp	2009-10-29 10:40:51 EDT (Thu, 29 Oct 2009)
@@ -22,6 +22,9 @@
     template< class ContainerType > 
     class resizer
     {
+	// we need a resizable container here (obviously...)
+	BOOST_CLASS_REQUIRE( ContainerType , boost::numeric::odeint, Resizable );
+
     public:
         void resize( const ContainerType &x , ContainerType &dxdt ) const
         {
@@ -34,6 +37,7 @@
         }
     };
 
+    /* Template Specialization for fixed size array - no resizing can happen */
     template< class T , size_t N >
     class resizer< std::tr1::array< T , N > >
     {