- const long double __r = static_cast<long double>(_M_b.max())
- - static_cast<long double>(_M_b.min()) + 1.0L;
- const result_type __m = std::log(__r) / std::log(2.0L);
- result_type __n, __n0, __y0, __y1, __s0, __s1;
+ typedef typename _RandomNumberEngine::result_type _Eresult_type;
+ const _Eresult_type __r
+ = (_M_b.max() - _M_b.min() < std::numeric_limits<_Eresult_type>::max()
+ ? _M_b.max() - _M_b.min() + 1 : 0);
+ const unsigned __edig = std::numeric_limits<_Eresult_type>::digits;
+ const unsigned __m = __r ? std::__lg(__r) : __edig;
+
+ typedef typename std::common_type<_Eresult_type, result_type>::type
+ __ctype;
+ const unsigned __cdig = std::numeric_limits<__ctype>::digits;
+
+ unsigned __n, __n0;
+ __ctype __s0, __s1, __y0, __y1;
+