Re: [Boost-users] [Random] uniform_int::operator()(Engine &, result_type)

Subject: Re: [Boost-users] [Random] uniform_int::operator()(Engine &, result_type)
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2010-07-19 19:41:53

AMDG

Hossein Haeri wrote:
> I was looking at the uniform_int<>'s reference page:
>
> http://www.boost.org/doc/libs/1_43_0/doc/html/boost/uniform_int.html
>
> and realised that there is no information whatsoever about what the following overload of its operator () does:
>
> template<typename Engine>
> result_type operator()(Engine & eng, result_type n) ;
>
> Do I understand it correctly that this generates a number in [min, n] (probably subject to some good conditions)?
>   

No.  It generates a number in [0, n).  The purpose of this
overload is to allow variate_generator<Engine, boost::uniform_int<> >
to be a model of RandomNumberGenerator.  I believe that this
was a mistake, since there is a separate random_number_generator
class template, but it needs to be maintained for backwards
compatibility.

In Christ,
Steven Watanabe