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secondo/Algebras/TimeSeries/TimeSeriesDistance.h
2026-01-23 17:03:45 +08:00

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/*
----
This file is part of SECONDO.
Copyright (C) 2020,
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
----
//[$][\$]
//[_][\_]
*/
#ifndef TIMESERIESDISTANCE_H
#define TIMESERIESDISTANCE_H
#include "Stream.h"
#include "timeseriesdistanceopli.h"
class TimeSeriesDistance{
public:
CcReal distance(Stream<Tuple>*, Stream<Tuple>*);
static Operator distanceOp(std::string, std::string, int, int, ListExpr );
static Operator distanceOpFun(std::string,std::string, int, int, ListExpr);
static ListExpr distanceOpTypeMap(ListExpr);
static int timeSeriesDistanceValueMapping(Word* args, Word& result,
int message, Word& local, Supplier s);
static Operator distanceFunOp(std::string, std::string, int, int, ListExpr);
static ListExpr distanceOpFunTypeMap(ListExpr);
static int timeSeriesDistanceFunOpValueMapping(Word* args, Word& result,
int message, Word& local, Supplier s);
private:
enum Norm {Manhattan, Euklidian, Maximum};
NList checkTSTupleStream(ListExpr&);
double manhattanDistance(std::list<double>&, std::list<double>&);
double euklidianDistance(std::list<double>&, std::list<double>&);
double maximumDistance(std::list<double>&, std::list<double>&);
double computePointDistance(std::list<double>&, std::list<double>&, Norm);
ListExpr appendNumericIndices(NList ts1, NList ts2);
static int openFunStream(Word *args, Word &local,
TimeSeriesDistanceOpLI* li);
};
#endif // TIMESERIESDISTANCE_H