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Improved removal performance in Maxsi::SortedList.

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This commit is contained in:
Jonas 'Sortie' Termansen 2012-01-21 01:31:14 +01:00
parent f29f6dd053
commit ac51e98cb8
1 changed files with 10 additions and 11 deletions
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21
libmaxsi/hsrc/sortedlist.h
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@ -1,6 +1,6 @@
/******************************************************************************
COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2011.
COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2011, 2012.
This file is part of LibMaxsi.
@ -149,20 +149,19 @@ namespace Maxsi
if ( !(flags & FLAG_SORTED) ) { Sort(); }
ASSERT(index < listused);
T result = list[index];
// TODO: It may be possible to further speed up removal by delaying
// the expensive memory copy operation.
if ( index == listused-1 )
T result = list[index];
list[index].~T();
for ( size_t i = index+1; i < listused; i++ )
{
list[--listused].~T();
}
else
{
list[index].~T();
list[index] = list[--listused];
list[listused].~T();
flags &= ~FLAG_SORTED;
list[i-1] = list[i];
list[i].~T();
}
listused--;
return result;
}