Re: [Boost-users] [multi-index] looking for "not greater than"

Subject: Re: [Boost-users] [multi-index] looking for "not greater than"
From: joaquin_at_[hidden]
Date: 2010-06-23 11:55:20

Igor R escribió:
> Hello,
>
> I've got a container with an ordered non-unique key. I have to find an
> element, which is not greater than X.
>
> [1, 3, 3, 5, 7]
> myIndex.not_greater_than(4) --> 5
> myIndex.not_greatet_than(7) --> 7
> myIndex.not_greatet_than(8) --> 7
>
> IUUC, neither lower_bound(), nor upper_bound() can help here.
> Is there a simple way to do this?
>   

Take a look at range-retrieving member functions:

http://www.boost.org/libs/multi_index/doc/tutorial/basics.html#range

Joaquín M López Muñoz
Telefónica, Investigación y Desarrollo