99 lines
2.3 KiB
C++
99 lines
2.3 KiB
C++
/*
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* Copyright (C) 2010 Thorsten Liebig (Thorsten.Liebig@gmx.de)
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "processintegral.h"
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#include <iomanip>
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ProcessIntegral::ProcessIntegral(Operator* op, Engine* eng) : Processing(op, eng)
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{
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m_TimeShift = 0.0;
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m_Results=NULL;
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}
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ProcessIntegral::~ProcessIntegral()
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{
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delete[] m_Results;
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m_Results = NULL;
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ProcessIntegral::FlushData();
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}
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void ProcessIntegral::InitProcess()
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{
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m_filename = m_Name;
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OpenFile(m_filename);
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FD_Values.clear();
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for (size_t n=0;n<m_FD_Samples.size();++n)
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FD_Values.push_back(0);
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}
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void ProcessIntegral::FlushData()
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{
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if (m_FD_Samples.size())
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Dump_FD_Data(FD_Values,1.0/(double)m_FD_SampleCount,m_filename + "_FD");
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}
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int ProcessIntegral::Process()
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{
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if (Enabled==false) return -1;
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if (CheckTimestep()==false) return GetNextInterval();
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CalcMultipleIntegrals();
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int NrInt = GetNumberOfIntegrals();
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double integral = m_Results[0] * m_weight;
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double time = (double)Eng->GetNumberOfTimesteps()*Op->GetTimestep() + m_TimeShift;
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if (ProcessInterval)
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{
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if (Eng->GetNumberOfTimesteps()%ProcessInterval==0)
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{
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TD_Values.push_back(integral);
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file << setprecision(m_precision) << time;
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for (int n=0;n<NrInt;++n)
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file << "\t" << m_Results[n] * m_weight;
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file << endl;
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}
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}
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if (m_FD_Interval)
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{
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if (Eng->GetNumberOfTimesteps()%m_FD_Interval==0)
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{
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double T = time;
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for (size_t n=0;n<m_FD_Samples.size();++n)
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{
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FD_Values.at(n) += (double)integral * std::exp( -2.0 * _I * M_PI * m_FD_Samples.at(n) * T );
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}
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++m_FD_SampleCount;
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if (m_Flush)
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FlushData();
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m_Flush = false;
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}
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}
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return GetNextInterval();
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}
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double* ProcessIntegral::CalcMultipleIntegrals()
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{
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if (m_Results==NULL)
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m_Results = new double[1];
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m_Results[0] = CalcIntegral();
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return m_Results;
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}
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