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secondo/Algebras/FText/Functions.cpp
2026-01-23 17:03:45 +08:00

64 lines
1.3 KiB
C++

/*
----
This file is part of SECONDO.
Copyright (C) 2007,
Faculty of Mathematics and Computer Science,
Database Systems for New Applications.
SECONDO is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
SECONDO is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with SECONDO; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
----
*/
#include "Functions.h"
#include <iostream>
/*
1 Some auxiliary Functions
*/
/*
1.4 ~removeState~
removes state from the set and decrements all elements in the set greater
than state by one.
*/
void removeState(std::set<int>& targets, int state){
if(state<0){
return;
}
targets.erase(state);
std::set<int> result;
std::set<int>::iterator it;
for(it=targets.begin(); it!=targets.end();it++){
if(*it>state){
result.insert(*it -1);
}else{
result.insert(*it);
}
}
targets.clear();
targets = result;
}