205 lines
6.3 KiB
C++
205 lines
6.3 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 "engine.h"
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#include "engine_extension.h"
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#include "operator_extension.h"
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#include "tools/array_ops.h"
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//! \brief construct an Engine instance
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//! it's the responsibility of the caller to free the returned pointer
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Engine* Engine::New(const Operator* op)
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{
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Engine* e = new Engine(op);
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e->Init();
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return e;
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}
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Engine::Engine(const Operator* op)
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{
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Op = op;
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for (int n=0;n<3;++n)
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{
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numLines[n] = Op->GetNumberOfLines(n);
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}
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for (size_t n=0;n<Op->GetNumberOfExtentions();++n)
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{
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Operator_Extension* op_ext = Op->GetExtension(n);
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Engine_Extension* eng_ext = op_ext->CreateEngineExtention();
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if (eng_ext)
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{
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eng_ext->SetEngine(this);
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m_Eng_exts.push_back(eng_ext);
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}
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}
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}
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Engine::~Engine()
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{
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for (size_t n=0;n<m_Eng_exts.size();++n)
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delete m_Eng_exts.at(n);
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m_Eng_exts.clear();
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this->Reset();
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}
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void Engine::Init()
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{
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numTS = 0;
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volt = Create_N_3DArray(numLines);
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curr = Create_N_3DArray(numLines);
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file_et1.open( "et1" );
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}
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void Engine::Reset()
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{
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Delete_N_3DArray(volt,numLines);
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volt=NULL;
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Delete_N_3DArray(curr,numLines);
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curr=NULL;
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file_et1.close();
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}
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void Engine::UpdateVoltages()
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{
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unsigned int pos[3];
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bool shift[3];
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//voltage updates
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for (pos[0]=0;pos[0]<numLines[0];++pos[0])
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{
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shift[0]=pos[0];
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for (pos[1]=0;pos[1]<numLines[1];++pos[1])
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{
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shift[1]=pos[1];
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for (pos[2]=0;pos[2]<numLines[2];++pos[2])
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{
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shift[2]=pos[2];
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//do the updates here
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//for x
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volt[0][pos[0]][pos[1]][pos[2]] *= Op->vv[0][pos[0]][pos[1]][pos[2]];
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volt[0][pos[0]][pos[1]][pos[2]] += Op->vi[0][pos[0]][pos[1]][pos[2]] * ( curr[2][pos[0]][pos[1]][pos[2]] - curr[2][pos[0]][pos[1]-shift[1]][pos[2]] - curr[1][pos[0]][pos[1]][pos[2]] + curr[1][pos[0]][pos[1]][pos[2]-shift[2]]);
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//for y
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volt[1][pos[0]][pos[1]][pos[2]] *= Op->vv[1][pos[0]][pos[1]][pos[2]];
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volt[1][pos[0]][pos[1]][pos[2]] += Op->vi[1][pos[0]][pos[1]][pos[2]] * ( curr[0][pos[0]][pos[1]][pos[2]] - curr[0][pos[0]][pos[1]][pos[2]-shift[2]] - curr[2][pos[0]][pos[1]][pos[2]] + curr[2][pos[0]-shift[0]][pos[1]][pos[2]]);
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//for z
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volt[2][pos[0]][pos[1]][pos[2]] *= Op->vv[2][pos[0]][pos[1]][pos[2]];
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volt[2][pos[0]][pos[1]][pos[2]] += Op->vi[2][pos[0]][pos[1]][pos[2]] * ( curr[1][pos[0]][pos[1]][pos[2]] - curr[1][pos[0]-shift[0]][pos[1]][pos[2]] - curr[0][pos[0]][pos[1]][pos[2]] + curr[0][pos[0]][pos[1]-shift[1]][pos[2]]);
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}
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}
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}
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}
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void Engine::ApplyVoltageExcite()
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{
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int exc_pos;
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//soft voltage excitation here (E-field excite)
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for (unsigned int n=0;n<Op->E_Exc_Count;++n)
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{
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exc_pos = (int)numTS - (int)Op->E_Exc_delay[n];
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exc_pos *= (exc_pos>0 && exc_pos<=(int)Op->ExciteLength);
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// if (n==0) cerr << numTS << " => " << Op->ExciteSignal[exc_pos] << endl;
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GetVolt(Op->E_Exc_dir[n],Op->E_Exc_index[0][n],Op->E_Exc_index[1][n],Op->E_Exc_index[2][n]) += Op->E_Exc_amp[n]*Op->ExciteSignal_volt[exc_pos];
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}
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// write the first excitation into the file "et1"
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if (Op->E_Exc_Count >= 1) {
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exc_pos = (int)numTS - (int)Op->E_Exc_delay[0];
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exc_pos *= (exc_pos>0 && exc_pos<=(int)Op->ExciteLength);
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file_et1 << numTS * Op->GetTimestep() << "\t" << Op->E_Exc_amp[0]*Op->ExciteSignal_volt[exc_pos] << "\n"; // do not use std::endl here, because it will do an implicit flush
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}
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}
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void Engine::UpdateCurrents()
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{
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unsigned int pos[3];
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for (pos[0]=0;pos[0]<numLines[0]-1;++pos[0])
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{
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for (pos[1]=0;pos[1]<numLines[1]-1;++pos[1])
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{
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for (pos[2]=0;pos[2]<numLines[2]-1;++pos[2])
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{
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//do the updates here
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//for x
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curr[0][pos[0]][pos[1]][pos[2]] *= Op->ii[0][pos[0]][pos[1]][pos[2]];
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curr[0][pos[0]][pos[1]][pos[2]] += Op->iv[0][pos[0]][pos[1]][pos[2]] * ( volt[2][pos[0]][pos[1]][pos[2]] - volt[2][pos[0]][pos[1]+1][pos[2]] - volt[1][pos[0]][pos[1]][pos[2]] + volt[1][pos[0]][pos[1]][pos[2]+1]);
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//for y
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curr[1][pos[0]][pos[1]][pos[2]] *= Op->ii[1][pos[0]][pos[1]][pos[2]];
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curr[1][pos[0]][pos[1]][pos[2]] += Op->iv[1][pos[0]][pos[1]][pos[2]] * ( volt[0][pos[0]][pos[1]][pos[2]] - volt[0][pos[0]][pos[1]][pos[2]+1] - volt[2][pos[0]][pos[1]][pos[2]] + volt[2][pos[0]+1][pos[1]][pos[2]]);
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//for z
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curr[2][pos[0]][pos[1]][pos[2]] *= Op->ii[2][pos[0]][pos[1]][pos[2]];
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curr[2][pos[0]][pos[1]][pos[2]] += Op->iv[2][pos[0]][pos[1]][pos[2]] * ( volt[1][pos[0]][pos[1]][pos[2]] - volt[1][pos[0]+1][pos[1]][pos[2]] - volt[0][pos[0]][pos[1]][pos[2]] + volt[0][pos[0]][pos[1]+1][pos[2]]);
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}
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}
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}
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}
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void Engine::ApplyCurrentExcite()
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{
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int exc_pos;
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//soft current excitation here (H-field excite)
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for (unsigned int n=0;n<Op->Curr_Exc_Count;++n)
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{
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exc_pos = (int)numTS - (int)Op->Curr_Exc_delay[n];
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exc_pos *= (exc_pos>0 && exc_pos<=(int)Op->ExciteLength);
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// if (n==0) cerr << numTS << " => " << Op->ExciteSignal[exc_pos] << endl;
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GetCurr(Op->Curr_Exc_dir[n],Op->Curr_Exc_index[0][n],Op->Curr_Exc_index[1][n],Op->Curr_Exc_index[2][n]) += Op->Curr_Exc_amp[n]*Op->ExciteSignal_curr[exc_pos];
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}
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}
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bool Engine::IterateTS(unsigned int iterTS)
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{
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for (unsigned int iter=0;iter<iterTS;++iter)
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{
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//voltage updates with extensions
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for (size_t n=0;n<m_Eng_exts.size();++n)
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m_Eng_exts.at(n)->DoPreVoltageUpdates();
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UpdateVoltages();
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for (size_t n=0;n<m_Eng_exts.size();++n)
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m_Eng_exts.at(n)->DoPostVoltageUpdates();
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for (size_t n=0;n<m_Eng_exts.size();++n)
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m_Eng_exts.at(n)->Apply2Voltages();
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ApplyVoltageExcite();
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//current updates with extensions
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for (size_t n=0;n<m_Eng_exts.size();++n)
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m_Eng_exts.at(n)->DoPreCurrentUpdates();
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UpdateCurrents();
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for (size_t n=0;n<m_Eng_exts.size();++n)
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m_Eng_exts.at(n)->DoPostCurrentUpdates();
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for (size_t n=0;n<m_Eng_exts.size();++n)
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m_Eng_exts.at(n)->Apply2Current();
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ApplyCurrentExcite();
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++numTS;
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}
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return true;
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}
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