[Boost-bugs] [Boost C++ Libraries] #6047: functions round_cast and trunc_cast

Subject: [Boost-bugs] [Boost C++ Libraries] #6047: functions round_cast and trunc_cast
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2011-10-22 11:48:56

#6047: functions round_cast and trunc_cast
-------------------------------------+--------------------------------------
 Reporter:  1czajnik@…               |       Owner:  johnmaddock
     Type:  Feature Requests         |      Status:  new        
Milestone:  To Be Determined         |   Component:  math       
  Version:  Boost Development Trunk  |    Severity:  Problem    
 Keywords:                           |  
-------------------------------------+--------------------------------------
 The functions are general versions of iround, and alike functions.
 {{{
 template < class R, class T, class Policy >
 inline R round_cast( T const& x, Policy const& pol )
 {
     BOOST_MATH_STD_USING
     T r = boost::math::round(x,pol);
     if( r > boost::integer_traits<R>::const_max || r <
 boost::integer_traits<R>::const_min )
        return static_cast<R>( boost::math::policies::raise_rounding_error(
                "cz::ar::round_cast<target_type,%1%>(%1%)", 0, x, pol ) );
     return static_cast<R>(r);
 }

 template < class R, class T >
 inline R round_cast( T const& x )
 {
     return round_cast<R>( x, boost::math::policies::policy<>() );
 }
 }}}

 Analogically for trunc()...

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/6047>
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