[Boost-commit] svn:boost r71230 - trunk/boost/spirit/home/support

Subject: [Boost-commit] svn:boost r71230 - trunk/boost/spirit/home/support
From: hartmut.kaiser_at_[hidden]
Date: 2011-04-13 17:53:36

Author: hkaiser
Date: 2011-04-13 17:53:36 EDT (Wed, 13 Apr 2011)
New Revision: 71230
URL: http://svn.boost.org/trac/boost/changeset/71230

Log:
Spirit: adding missing numeric CP specializations for adapted ADTs
Text files modified: 
   trunk/boost/spirit/home/support/adapt_adt_attributes.hpp |    35 +++++++++++++++++++++++++++++++++++     
   1 files changed, 35 insertions(+), 0 deletions(-)

Modified: trunk/boost/spirit/home/support/adapt_adt_attributes.hpp
==============================================================================
--- trunk/boost/spirit/home/support/adapt_adt_attributes.hpp	(original)
+++ trunk/boost/spirit/home/support/adapt_adt_attributes.hpp	2011-04-13 17:53:36 EDT (Wed, 13 Apr 2011)
@@ -155,6 +155,41 @@
             clear(type(val));
         }
     };
+
+    // customization point specializations for numeric generators
+    template <typename T, int N, bool Const>
+    struct absolute_value<fusion::extension::adt_attribute_proxy<T, N, Const> >
+    {
+        typedef typename 
+            fusion::extension::adt_attribute_proxy<T, N, Const>::type
+        type;
+
+        static type 
+        call (fusion::extension::adt_attribute_proxy<T, N, Const> const& val)
+        {
+            return get_absolute_value(val.get());
+        }
+    };
+
+    template <typename T, int N, bool Const>
+    struct is_negative<fusion::extension::adt_attribute_proxy<T, N, Const> >
+    {
+        static bool 
+        call(fusion::extension::adt_attribute_proxy<T, N, Const> const& val) 
+        { 
+            return test_negative(val.get()); 
+        }
+    };
+
+    template <typename T, int N, bool Const>
+    struct is_zero<fusion::extension::adt_attribute_proxy<T, N, Const> >
+    {
+        static bool 
+        call(fusion::extension::adt_attribute_proxy<T, N, Const> const& val) 
+        { 
+            return test_zero(val.get()); 
+        }
+    };
 }}}
 
 #endif