Subject: [Boost-commit] svn:boost r52399 - sandbox/numeric_bindings/boost/numeric/bindings/traits
From: rutger_at_[hidden]
Date: 2009-04-15 06:25:40
Author: rutger
Date: 2009-04-15 06:25:39 EDT (Wed, 15 Apr 2009)
New Revision: 52399
URL: http://svn.boost.org/trac/boost/changeset/52399
Log:
Initial working version of is_bindable_vector and is_bindable_matrix metafunctions
Text files modified:
sandbox/numeric_bindings/boost/numeric/bindings/traits/is_bindable_matrix.hpp | 17 ++++++++++++++++-
sandbox/numeric_bindings/boost/numeric/bindings/traits/is_bindable_vector.hpp | 18 +++++++++++++++++-
2 files changed, 33 insertions(+), 2 deletions(-)
Modified: sandbox/numeric_bindings/boost/numeric/bindings/traits/is_bindable_matrix.hpp
==============================================================================
--- sandbox/numeric_bindings/boost/numeric/bindings/traits/is_bindable_matrix.hpp (original)
+++ sandbox/numeric_bindings/boost/numeric/bindings/traits/is_bindable_matrix.hpp 2009-04-15 06:25:39 EDT (Wed, 15 Apr 2009)
@@ -10,6 +10,7 @@
#define BOOST_NUMERIC_BINDINGS_TRAITS_IS_BINDABLE_MATRIX_HPP
#include <boost/mpl/bool.hpp>
+#include <boost/numeric/bindings/traits/matrix_traits.hpp>
namespace boost {
namespace numeric {
@@ -17,7 +18,21 @@
namespace traits {
template< typename T >
-struct is_bindable_matrix: boost::mpl::bool_<false> {};
+struct is_bindable_matrix {
+
+ typedef char yes;
+ typedef char (&no)[2];
+
+ template< typename M >
+ static yes tester( typename matrix_traits<M>::pointer );
+
+ template< typename M >
+ static no tester( ... );
+
+ static bool const value = sizeof(tester<T>(0)) == sizeof(yes);
+
+ typedef mpl::bool_<value> type;
+};
}}}}
Modified: sandbox/numeric_bindings/boost/numeric/bindings/traits/is_bindable_vector.hpp
==============================================================================
--- sandbox/numeric_bindings/boost/numeric/bindings/traits/is_bindable_vector.hpp (original)
+++ sandbox/numeric_bindings/boost/numeric/bindings/traits/is_bindable_vector.hpp 2009-04-15 06:25:39 EDT (Wed, 15 Apr 2009)
@@ -10,6 +10,7 @@
#define BOOST_NUMERIC_BINDINGS_TRAITS_IS_BINDABLE_VECTOR_HPP
#include <boost/mpl/bool.hpp>
+#include <boost/numeric/bindings/traits/vector_traits.hpp>
namespace boost {
namespace numeric {
@@ -17,7 +18,22 @@
namespace traits {
template< typename T >
-struct is_bindable_vector: boost::mpl::bool_<false> {};
+struct is_bindable_vector {
+
+ typedef char yes;
+ typedef char (&no)[2];
+ struct other_type;
+
+ template< typename V >
+ static yes tester( typename vector_traits<V>::pointer );
+
+ template< typename V >
+ static no tester( ... );
+
+ static bool const value = sizeof(tester<T>(0)) == sizeof(yes);
+
+ typedef mpl::bool_<value> type;
+};
}}}}