binomial_distribution<long long> compilation error

[bolero.murakami+cpp@…]

It is an error code:

boost::random::mt19937 eng;
boost::random::binomial_distribution<long long> dist;
dist(eng);

Output (VC9):

.\boost\random\binomial_distribution.hpp(324) : error C2668: 'abs' : ambiguous call to overloaded function

std::abs aren't overloaded for long long.

[Steven Watanabe]

long long abs(long long);

is defined in C++11.