Hi Rainer, Sorry I just saw this.
Hi all,
I just discovered (by debugging instead of reading :-() that a numeric_cast from a floating to an integral type always truncates by default, that is, 26.99999 is casted to 26. Is there a way to tell numeric_cast to use the nearest integer? Of course I can add 0.5 to my value and cast afterwards but that's definitely ugly.
numeric_cast<> uses the default policies, but you an easily create you own version with any other policy, like the one which rounds floats to the nearest integer: RoundEven<> #include <boost/numeric/conversion/converter.hpp> template<typename Target, typename Source> inline Target my_numeric_cast ( Source arg ) { typedef boost::numeric::conversion_traits<Target,Source> Traits ; typedef boost::numeric::converter<Target,Source,Traits,boost::numeric::def_overflow_handler,boost::numeric::RoundEven<Source>
Converter ;
return Converter::convert(arg); } HTH -- Fernando Cacciola SciSoft http://scisoft-consulting.com http://fcacciola.50webs.com http://groups.google.com/group/cppba