1 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
7 ------------- Copyright (C) 2000 -------------
9 This program is free software; you can redistribute it and/or modify it under
10 the terms of the GNU General Public License as published by the Free Software
11 Foundation; either version 2 of the License, or (at your option) any later
14 This program is distributed in the hope that it will be useful, but WITHOUT
15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
16 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
19 You should have received a copy of the GNU General Public License along with
20 this program; if not, write to the Free Software Foundation, Inc., 59 Temple
21 Place - Suite 330, Boston, MA 02111-1307, USA.
23 Further information about the GNU General Public License can also be found on
24 the world wide web at http://www.gnu.org.
26 FUNCTIONAL DESCRIPTION
27 --------------------------------------------------------------------------------
30 --------------------------------------------------------------------------------
32 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
33 COMMENTS, REFERENCES, and NOTES
34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
36 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
38 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
44 static const char *IdSrc = "$Id$";
45 static const char *IdHdr = ID_SUMMER;
47 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
49 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
52 FGSummer::FGSummer(FGFCS* fcs, FGConfigFile* AC_cfg) : FGFCSComponent(fcs),
55 string token,sOutputIdx;
58 clipmin = clipmax = 0.0;
61 Type = AC_cfg->GetValue("TYPE");
62 Name = AC_cfg->GetValue("NAME");
63 AC_cfg->GetNextConfigLine();
65 while ((token = AC_cfg->GetValue()) != string("/COMPONENT")) {
68 if (token == "INPUT") {
69 token = AC_cfg->GetValue("INPUT");
72 if (token[0] == '-') {
73 InputSigns.push_back(-1.0);
76 InputSigns.push_back( 1.0);
79 InputNodes.push_back( resolveSymbol(token) );
80 } else if (token == "BIAS") {
82 } else if (token == "CLIPTO") {
83 *AC_cfg >> clipmin >> clipmax;
84 if (clipmax > clipmin) {
87 } else if (token == "OUTPUT") {
89 *AC_cfg >> sOutputIdx;
90 OutputNode = PropertyManager->GetNode(sOutputIdx);
94 FGFCSComponent::bind();
99 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
101 FGSummer::~FGSummer()
106 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
108 bool FGSummer::Run(void )
112 // The Summer takes several inputs, so do not call the base class Run()
113 // FGFCSComponent::Run();
117 for (idx=0; idx<InputNodes.size(); idx++) {
118 Output += InputNodes[idx]->getDoubleValue()*InputSigns[idx];
124 if (Output > clipmax) Output = clipmax;
125 else if (Output < clipmin) Output = clipmin;
128 if (IsOutput) SetOutput();
133 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
134 // The bitmasked value choices are as follows:
135 // unset: In this case (the default) JSBSim would only print
136 // out the normally expected messages, essentially echoing
137 // the config files as they are read. If the environment
138 // variable is not set, debug_lvl is set to 1 internally
139 // 0: This requests JSBSim not to output any messages
141 // 1: This value explicity requests the normal JSBSim
143 // 2: This value asks for a message to be printed out when
144 // a class is instantiated
145 // 4: When this value is set, a message is displayed when a
146 // FGModel object executes its Run() method
147 // 8: When this value is set, various runtime state variables
148 // are printed out periodically
149 // 16: When set various parameters are sanity checked and
150 // a message is printed out when they go out of bounds
152 void FGSummer::Debug(int from)
154 if (debug_lvl <= 0) return;
156 if (debug_lvl & 1) { // Standard console startup message output
157 if (from == 0) { // Constructor
158 cout << " INPUTS: " << endl;
159 for (unsigned i=0;i<InputNodes.size();i++) {
160 if (InputSigns[i] < 0)
161 cout << " -" << InputNodes[i]->getName() << endl;
163 cout << " " << InputNodes[i]->getName() << endl;
165 if (Bias != 0.0) cout << " Bias: " << Bias << endl;
166 if (clip) cout << " CLIPTO: " << clipmin
167 << ", " << clipmax << endl;
168 if (IsOutput) cout << " OUTPUT: " <<OutputNode->getName() << endl;
171 if (debug_lvl & 2 ) { // Instantiation/Destruction notification
172 if (from == 0) cout << "Instantiated: FGSummer" << endl;
173 if (from == 1) cout << "Destroyed: FGSummer" << endl;
175 if (debug_lvl & 4 ) { // Run() method entry print for FGModel-derived objects
177 if (debug_lvl & 8 ) { // Runtime state variables
179 if (debug_lvl & 16) { // Sanity checking
181 if (debug_lvl & 64) {
182 if (from == 0) { // Constructor
183 cout << IdSrc << endl;
184 cout << IdHdr << endl;