[Bug libstdc++/35968] nth_element fails to meet its complexity requirements

2008-04-28 Thread sjhowe at dial dot pipex dot com
--- Comment #7 from sjhowe at dial dot pipex dot com 2008-04-28 20:17 --- Roger I agree with your analysis. I am slightly crestfallen as I was suspicious that Barriato, Hofri etc's paper never mentioned worst case only approximate case. And I have now seen BFPRT73 paper where

[Bug libstdc++/35968] nth_element fails to meet its complexity requirements

2008-04-21 Thread sjhowe at dial dot pipex dot com
--- Comment #4 from sjhowe at dial dot pipex dot com 2008-04-21 18:51 --- Yes. You want a partition that is O(1) that each time round eliminates N/2 elements (bearing in mind the post-condition for nth_element where iterators greater than the kth iterator have elements

[Bug libstdc++/35968] New: nth_element fails to meet its complexity requirements

2008-04-17 Thread sjhowe at dial dot pipex dot com
complexity requirements Product: gcc Version: 4.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libstdc++ AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: sjhowe at dial dot pipex dot com http