diff options
Diffstat (limited to 'boost/icl/concept/interval.hpp')
| -rw-r--r-- | boost/icl/concept/interval.hpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/boost/icl/concept/interval.hpp b/boost/icl/concept/interval.hpp index e350cc637d..487d424abd 100644 --- a/boost/icl/concept/interval.hpp +++ b/boost/icl/concept/interval.hpp @@ -455,7 +455,7 @@ enable_if< mpl::and_< mpl::or_<is_static_right_open<Type>, is_static_open<Type> , typename interval_traits<Type>::domain_type>::type last_next(const Type& object) { - typedef typename interval_traits<Type>::domain_type domain_type; + //CL typedef typename interval_traits<Type>::domain_type domain_type; return upper(object); // NOTE: last_next is implemented to avoid calling pred(object) } // For unsigned integral types this may cause underflow. @@ -1148,6 +1148,8 @@ left_subtract(Type right, const Type& left_minuend) { if(exclusive_less(left_minuend, right)) return right; + else if(upper_less_equal(right, left_minuend)) + return identity_element<Type>::value(); return construct<Type>(domain_next<Type>(upper(left_minuend)), upper(right)); } @@ -1175,7 +1177,7 @@ left_subtract(Type right, const Type& left_minuend) //- right_subtract ------------------------------------------------------------- /** subtract \c right_minuend from the \c left interval on it's right side. - Return the difference: The part of \c left right of \c right_minuend. + Return the difference: The part of \c left left of \c right_minuend. \code left_over = left - right_minuend; //on the right side. [a ... : left |