[Boost-commit] svn:boost r64447 - sandbox/SOC/2010/bit_masks/boost/integer/detail/bft

Subject: [Boost-commit] svn:boost r64447 - sandbox/SOC/2010/bit_masks/boost/integer/detail/bft
From: bbartmanboost_at_[hidden]
Date: 2010-07-29 12:47:35

Author: bbartman
Date: 2010-07-29 12:47:34 EDT (Thu, 29 Jul 2010)
New Revision: 64447
URL: http://svn.boost.org/trac/boost/changeset/64447

Log:
fixed bug in one of my tests.
Text files modified: 
   sandbox/SOC/2010/bit_masks/boost/integer/detail/bft/arg_parsing_meta_functions.hpp |    10 +++++++---                              
   1 files changed, 7 insertions(+), 3 deletions(-)

Modified: sandbox/SOC/2010/bit_masks/boost/integer/detail/bft/arg_parsing_meta_functions.hpp
==============================================================================
--- sandbox/SOC/2010/bit_masks/boost/integer/detail/bft/arg_parsing_meta_functions.hpp	(original)
+++ sandbox/SOC/2010/bit_masks/boost/integer/detail/bft/arg_parsing_meta_functions.hpp	2010-07-29 12:47:34 EDT (Thu, 29 Jul 2010)
@@ -120,8 +120,8 @@
             mpl::size_t<
             bit_width< typename Mask::value_type >::value >
         >::type::value ))
-          &&
-        bool( ZeroCount < std::size_t(bit_width< typename Mask::value_type >::value))
+          // &&
+        // bool( ZeroCount != std::size_t(bit_width< typename Mask::value_type >::value))
     >
 { };
 
@@ -145,7 +145,11 @@
 
 template <typename Mask>
 struct count_trailing_zeros {
-    typedef typename ptr_detail::ctz_helper<Mask>::type type;
+    typedef typename mpl::if_c<
+        (Mask::value == 0u),
+        mpl::size_t< bit_width< typename Mask::value_type >::value >,
+        ptr_detail::ctz_helper< Mask>
+    >::type::type                         type;
 };
 
 }}}} // end boost::bitfields::detail::pointer_member