Files
secondo/Algebras/TimeSeries/timeseriesdistanceopli.cpp
2026-01-23 17:03:45 +08:00

82 lines
2.1 KiB
C++

/*
----
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
----
//[$][\$]
//[_][\_]
*/
#include "timeseriesdistanceopli.h"
TimeSeriesDistanceOpLI::TimeSeriesDistanceOpLI(Word ts1, Word ts2, Word f) :
ts1_stream(ts1), ts2_stream(ts2), fun(f)
{
this->ts1_stream.open();
this->ts2_stream.open();
this->funargs = qp->Argument(f.addr);
this->distance = 0;
}
TimeSeriesDistanceOpLI::~TimeSeriesDistanceOpLI(){
cout << "Delete Local Info";
this->ts1_stream.close();
this->ts2_stream.close();
}
// Computes the distance between two timeseries utilizing the distance function
// in the arguments.
// @brief TimeSeriesDistanceOpLI::compute
void TimeSeriesDistanceOpLI::compute(){
Tuple* funarg_ts1 = this->ts1_stream.request();
funarg_ts1->Print( cout) << endl;
Tuple* funarg_ts2 = this->ts2_stream.request();
while(funarg_ts1 && funarg_ts2)
{
(*funargs[0]) = funarg_ts1;
(*funargs[1]) = funarg_ts2;
//get the result of the computation
Word funres;
qp->Request(this->funargs, funres);
funarg_ts1->DeleteIfAllowed();
funarg_ts2->DeleteIfAllowed();
CcReal tupleDistance = static_cast<CcReal>(funres.addr);
this->distance += tupleDistance.GetValue();
funarg_ts1 = ts1_stream.request();
funarg_ts2 = ts2_stream.request();
}
}
double TimeSeriesDistanceOpLI::getResult(){
return this->distance;
}