Re: [Boost-users] [math/special_functions] newbie question

From: John Maddock (jz.maddock_at_[hidden])
Date: 2008-06-11 04:25:02

Steven Watanabe wrote:
> Here's one way:
>
> #include "boost/math/special_functions/factorials.hpp"
> int main()
> {
>        unsigned int i = 6;
>        printf("%d\n",
> static_cast<unsigned>(boost::math::factorial<double>(i)));
> }

Ah, yes I missed that he was formatting the result as an integer: note that
there are *very few* factorials that will fit inside an integer result, so
this isn't really safe :-(

John.