diff options
Diffstat (limited to 'boost/random/uniform_real_distribution.hpp')
| -rw-r--r-- | boost/random/uniform_real_distribution.hpp | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/boost/random/uniform_real_distribution.hpp b/boost/random/uniform_real_distribution.hpp index 61b235a31c..437ee69330 100644 --- a/boost/random/uniform_real_distribution.hpp +++ b/boost/random/uniform_real_distribution.hpp @@ -8,7 +8,7 @@ * * See http://www.boost.org for most recent version including documentation. * - * $Id: uniform_real_distribution.hpp 71018 2011-04-05 21:27:52Z steven_watanabe $ + * $Id$ * */ @@ -36,7 +36,6 @@ T generate_uniform_real( { for(;;) { typedef T result_type; - typedef typename Engine::result_type base_result; result_type numerator = static_cast<T>(eng() - (eng.min)()); result_type divisor = static_cast<T>((eng.max)() - (eng.min)()); BOOST_ASSERT(divisor > 0); @@ -66,6 +65,8 @@ T generate_uniform_real( template<class Engine, class T> inline T generate_uniform_real(Engine& eng, T min_value, T max_value) { + if(max_value / 2 - min_value / 2 > (std::numeric_limits<T>::max)() / 2) + return 2 * generate_uniform_real(eng, min_value / 2, max_value / 2); typedef typename Engine::result_type base_result; return generate_uniform_real(eng, min_value, max_value, boost::is_integral<base_result>()); @@ -100,7 +101,7 @@ public: RealType max_arg = RealType(1.0)) : _min(min_arg), _max(max_arg) { - BOOST_ASSERT(_min <= _max); + BOOST_ASSERT(_min < _max); } /** Returns the minimum value of the distribution. */ @@ -154,7 +155,7 @@ public: RealType max_arg = RealType(1.0)) : _min(min_arg), _max(max_arg) { - BOOST_ASSERT(min_arg <= max_arg); + BOOST_ASSERT(min_arg < max_arg); } /** Constructs a uniform_real_distribution from its parameters. */ explicit uniform_real_distribution(const param_type& parm) |