How do I convert an arbitrary double to an integer while avoiding undefined behavior?

Question

Let\'s say I\'ve got a function that accepts a 64-bit integer, and I want to call it with a double with arbitrary numeric value (i.e. it may be very large in magnit

Answer 1

boost::numeric_cast, that's how.

http://www.boost.org/doc/libs/1_56_0/libs/numeric/conversion/doc/html/boost_numericconversion/improved_numeric_cast__.html