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src/FDM/JSBSim
160
src/FDM/JSBSim/FGFactorGroup.cpp
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src/FDM/JSBSim/FGFactorGroup.cpp
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/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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Module: FGFactorGroup.cpp
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Author: Tony Peden
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Date started: 7/21/01
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Purpose: Encapsulates coefficients in the mathematical construct:
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factor*(coeff1 + coeff2 + coeff3 + ... + coeffn)
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Called by: FGAerodynamics
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------------- Copyright (C) 2001 Tony Peden (apeden@earthlink.net) -----------
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place - Suite 330, Boston, MA 02111-1307, USA.
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Further information about the GNU General Public License can also be found on
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the world wide web at http://www.gnu.org.
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FUNCTIONAL DESCRIPTION
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--------------------------------------------------------------------------------
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This class models the stability derivative coefficient lookup tables or
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equations. Note that the coefficients need not be calculated each delta-t.
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Note that the values in a row which index into the table must be the same value
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for each column of data, so the first column of numbers for each altitude are
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seen to be equal, and there are the same number of values for each altitude.
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See the header file FGFactorGroup.h for the values of the identifiers.
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HISTORY
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--------------------------------------------------------------------------------
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7/21/01 TP Created
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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INCLUDES
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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#include "FGCoefficient.h"
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#include "FGFactorGroup.h"
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#include "FGState.h"
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#include "FGFDMExec.h"
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#ifndef FGFS
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# include <iomanip>
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#else
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# include STL_IOMANIP
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#endif
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extern short debug_lvl;
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static const char *IdSrc = "$Id$";
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static const char *IdHdr = ID_FACTORGROUP;
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/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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CLASS IMPLEMENTATION
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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FGFactorGroup::FGFactorGroup( FGFDMExec* fdmex ) : FGCoefficient( fdmex) {
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FDMExec=fdmex;
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}
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/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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FGFactorGroup::~FGFactorGroup() {
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int i;
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for (i=0; i<sum.size(); i++) {
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delete sum[i];
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}
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}
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/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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bool FGFactorGroup::Load(FGConfigFile *AC_cfg) {
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string token;
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if(AC_cfg) {
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name = AC_cfg->GetValue("NAME");
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AC_cfg->GetNextConfigLine();
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*AC_cfg >> description;
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token = AC_cfg->GetValue();
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if( token == "FACTOR") {
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FGCoefficient::Load(AC_cfg);
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//if (debug_lvl > 0) DisplayCoeffFactors(ca.back()->Getmultipliers());
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}
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token = AC_cfg->GetValue();
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while ( token != "/GROUP" ) {
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sum.push_back( new FGCoefficient(FDMExec) );
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sum.back()->Load(AC_cfg);
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//if (debug_lvl > 0) DisplayCoeffFactors(ca.back()->Getmultipliers());
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token = AC_cfg->GetValue();
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}
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AC_cfg->GetNextConfigLine();
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return true;
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} else {
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return false;
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}
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}
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/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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float FGFactorGroup::TotalValue(void) {
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int i;
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float totalsum=0;
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SDtotal=0.0;
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for(i=0;i<sum.size();i++) {
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totalsum+=sum[i]->TotalValue();
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SDtotal += sum[i]->GetSD();
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}
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totalsum *= FGCoefficient::TotalValue();
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SDtotal *= FGCoefficient::GetSD();
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cout << "FGCoefficient::GetSD(): " << FGCoefficient::GetSD() << endl;
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cout << "FGFactorGroup::SDtotal: " << SDtotal << endl;
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return totalsum;
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}
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/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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string FGFactorGroup::GetCoefficientStrings(void) {
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int i;
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string CoeffStrings;
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CoeffStrings += name;
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CoeffStrings += ", ";
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CoeffStrings += FGCoefficient::Getname();
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for(i=0;i<sum.size();i++) {
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CoeffStrings += ", ";
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CoeffStrings += sum[i]->Getname();
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}
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return CoeffStrings;
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}
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/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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string FGFactorGroup::GetCoefficientValues(void) {
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int i;
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char buffer[10];
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string values;
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snprintf(buffer,10,"%9.6f",SDtotal);
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values += string(buffer);
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values += ", ";
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snprintf(buffer,10,"%9.6f",FGCoefficient::GetSD() );
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values += string(buffer);
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values += ", ";
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for(i=0;i<sum.size();i++) {
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values += sum[i]->GetCoefficientValues();
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}
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return values;
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}
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118
src/FDM/JSBSim/FGFactorGroup.h
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118
src/FDM/JSBSim/FGFactorGroup.h
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@ -0,0 +1,118 @@
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/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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Header: FGFactorGroup.h
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Author: Tony Peden
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Date started: 7/14/01
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------------- Copyright (C) 2001 Tony Peden (apeden@earthlink.net ------------
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place - Suite 330, Boston, MA 02111-1307, USA.
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Further information about the GNU General Public License can also be found on
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the world wide web at http://www.gnu.org.
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HISTORY
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--------------------------------------------------------------------------------
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12/28/98 JSB Created
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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SENTRY
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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#ifndef FGFACTORGROUP_H
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#define FGFACTORGROUP_H
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/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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INCLUDES
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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#ifdef FGFS
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# include <simgear/compiler.h>
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#endif
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#include <vector>
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#include <string>
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#include "FGConfigFile.h"
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#include "FGDefs.h"
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#include "FGTable.h"
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#include "FGCoefficient.h"
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#include "FGAerodynamics.h"
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#include "FGFactorGroup.h"
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/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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DEFINITIONS
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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#define ID_FACTORGROUP "$Id$"
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using std::vector;
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/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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FORWARD DECLARATIONS
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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class FGFDMExec;
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class FGState;
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class FGAtmosphere;
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class FGFCS;
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class FGAircraft;
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class FGTranslation;
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class FGRotation;
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class FGPosition;
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class FGAuxiliary;
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class FGOutput;
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/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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COMMENTS, REFERENCES, and NOTES [use "class documentation" below for API docs]
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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CLASS DOCUMENTATION
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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/** This class encapsulates the functionality needed to manage a factor group
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i.e. factor*(coeff1 + coeff2 + coeff3)
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@author Tony Peden
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@see -
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*/
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/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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CLASS DECLARATION
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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class FGFactorGroup: public FGCoefficient {
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public:
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FGFactorGroup(FGFDMExec* fdmex);
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~FGFactorGroup();
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bool Load(FGConfigFile *AC_cfg);
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float TotalValue(void);
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string GetCoefficientStrings(void);
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string GetCoefficientValues(void);
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inline float GetSD(void) { return SDtotal; };
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inline float GetFactorSD(void) { return FGCoefficient::GetSD(); }
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private:
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FGFDMExec *FDMExec;
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string name;
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string description;
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typedef vector<FGCoefficient*> CoeffArray;
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CoeffArray sum;
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float SDtotal;
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};
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#endif
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