1 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
6 Purpose: Encapsulates the JSBBase object
8 ------------- Copyright (C) 2001 Jon S. Berndt (jon@jsbsim.org) -------------
10 This program is free software; you can redistribute it and/or modify it under
11 the terms of the GNU Lesser General Public License as published by the Free Software
12 Foundation; either version 2 of the License, or (at your option) any later
15 This program is distributed in the hope that it will be useful, but WITHOUT
16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
17 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
20 You should have received a copy of the GNU Lesser General Public License along with
21 this program; if not, write to the Free Software Foundation, Inc., 59 Temple
22 Place - Suite 330, Boston, MA 02111-1307, USA.
24 Further information about the GNU Lesser General Public License can also be found on
25 the world wide web at http://www.gnu.org.
27 FUNCTIONAL DESCRIPTION
28 --------------------------------------------------------------------------------
31 --------------------------------------------------------------------------------
34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
36 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
40 #include "FGJSBBase.h"
47 static const char *IdSrc = "$Id: FGJSBBase.cpp,v 1.29 2010/03/18 13:19:21 jberndt Exp $";
48 static const char *IdHdr = ID_JSBBASE;
50 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
52 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
55 char FGJSBBase::highint[5] = {27, '[', '1', 'm', '\0' };
56 char FGJSBBase::halfint[5] = {27, '[', '2', 'm', '\0' };
57 char FGJSBBase::normint[6] = {27, '[', '2', '2', 'm', '\0' };
58 char FGJSBBase::reset[5] = {27, '[', '0', 'm', '\0' };
59 char FGJSBBase::underon[5] = {27, '[', '4', 'm', '\0' };
60 char FGJSBBase::underoff[6] = {27, '[', '2', '4', 'm', '\0' };
61 char FGJSBBase::fgblue[6] = {27, '[', '3', '4', 'm', '\0' };
62 char FGJSBBase::fgcyan[6] = {27, '[', '3', '6', 'm', '\0' };
63 char FGJSBBase::fgred[6] = {27, '[', '3', '1', 'm', '\0' };
64 char FGJSBBase::fggreen[6] = {27, '[', '3', '2', 'm', '\0' };
65 char FGJSBBase::fgdef[6] = {27, '[', '3', '9', 'm', '\0' };
67 char FGJSBBase::highint[5] = {'\0' };
68 char FGJSBBase::halfint[5] = {'\0' };
69 char FGJSBBase::normint[6] = {'\0' };
70 char FGJSBBase::reset[5] = {'\0' };
71 char FGJSBBase::underon[5] = {'\0' };
72 char FGJSBBase::underoff[6] = {'\0' };
73 char FGJSBBase::fgblue[6] = {'\0' };
74 char FGJSBBase::fgcyan[6] = {'\0' };
75 char FGJSBBase::fgred[6] = {'\0' };
76 char FGJSBBase::fggreen[6] = {'\0' };
77 char FGJSBBase::fgdef[6] = {'\0' };
80 const double FGJSBBase::radtodeg = 57.295779513082320876798154814105;
81 const double FGJSBBase::degtorad = 0.017453292519943295769236907684886;
82 const double FGJSBBase::hptoftlbssec = 550.0;
83 const double FGJSBBase::psftoinhg = 0.014138;
84 const double FGJSBBase::psftopa = 47.88;
85 const double FGJSBBase::fpstokts = 0.592484;
86 const double FGJSBBase::ktstofps = 1.68781;
87 const double FGJSBBase::inchtoft = 0.08333333;
88 const double FGJSBBase::in3tom3 = 1.638706E-5;
89 const double FGJSBBase::m3toft3 = 1.0/(fttom*fttom*fttom);
90 const double FGJSBBase::inhgtopa = 3386.38;
91 const double FGJSBBase::fttom = 0.3048;
92 double FGJSBBase::Reng = 1716.0;
93 const double FGJSBBase::SHRatio = 1.40;
95 // Note that definition of lbtoslug by the inverse of slugtolb and not
96 // to a different constant you can also get from some tables will make
97 // lbtoslug*slugtolb == 1 up to the magnitude of roundoff. So converting from
98 // slug to lb and back will yield to the original value you started with up
99 // to the magnitude of roundoff.
100 // Taken from units gnu commandline tool
101 const double FGJSBBase::slugtolb = 32.174049;
102 const double FGJSBBase::lbtoslug = 1.0/slugtolb;
103 const double FGJSBBase::kgtolb = 2.20462;
104 const double FGJSBBase::kgtoslug = 0.06852168;
106 const string FGJSBBase::needed_cfg_version = "2.0";
107 const string FGJSBBase::JSBSim_version = "1.0 "__DATE__" "__TIME__;
109 std::queue <FGJSBBase::Message> FGJSBBase::Messages;
110 FGJSBBase::Message FGJSBBase::localMsg;
111 unsigned int FGJSBBase::messageId = 0;
113 short FGJSBBase::debug_lvl = 1;
119 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
121 void FGJSBBase::PutMessage(const Message& msg)
126 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
128 void FGJSBBase::PutMessage(const string& text)
132 msg.messageId = messageId++;
133 msg.subsystem = "FDM";
134 msg.type = Message::eText;
138 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
140 void FGJSBBase::PutMessage(const string& text, bool bVal)
144 msg.messageId = messageId++;
145 msg.subsystem = "FDM";
146 msg.type = Message::eBool;
151 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
153 void FGJSBBase::PutMessage(const string& text, int iVal)
157 msg.messageId = messageId++;
158 msg.subsystem = "FDM";
159 msg.type = Message::eInteger;
160 msg.bVal = (iVal != 0);
164 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
166 void FGJSBBase::PutMessage(const string& text, double dVal)
170 msg.messageId = messageId++;
171 msg.subsystem = "FDM";
172 msg.type = Message::eDouble;
173 msg.bVal = (dVal != 0.0);
177 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
179 int FGJSBBase::SomeMessages(void)
181 return !Messages.empty();
184 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
186 void FGJSBBase::ProcessMessage(void)
188 if (Messages.empty()) return;
189 localMsg = Messages.front();
191 while (Messages.size() > 0) {
192 switch (localMsg.type) {
193 case JSBSim::FGJSBBase::Message::eText:
194 cout << localMsg.messageId << ": " << localMsg.text << endl;
196 case JSBSim::FGJSBBase::Message::eBool:
197 cout << localMsg.messageId << ": " << localMsg.text << " " << localMsg.bVal << endl;
199 case JSBSim::FGJSBBase::Message::eInteger:
200 cout << localMsg.messageId << ": " << localMsg.text << " " << localMsg.iVal << endl;
202 case JSBSim::FGJSBBase::Message::eDouble:
203 cout << localMsg.messageId << ": " << localMsg.text << " " << localMsg.dVal << endl;
206 cerr << "Unrecognized message type." << endl;
210 if (Messages.size() > 0) localMsg = Messages.front();
216 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
218 FGJSBBase::Message* FGJSBBase::ProcessNextMessage(void)
220 if (Messages.empty()) return NULL;
221 localMsg = Messages.front();
227 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
229 void FGJSBBase::disableHighLighting(void) {
243 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
245 string FGJSBBase::CreateIndexedPropertyName(const string& Property, int index)
247 std::ostringstream buf;
248 buf << Property << '[' << index << ']';
252 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
254 double FGJSBBase::GaussianRandomNumber(void)
256 static double V1, V2, S;
257 static int phase = 0;
261 V1 = V2 = S = X = 0.0;
264 double U1 = (double)rand() / RAND_MAX;
265 double U2 = (double)rand() / RAND_MAX;
269 S = V1 * V1 + V2 * V2;
270 } while(S >= 1 || S == 0);
272 X = V1 * sqrt(-2 * log(S) / S);
274 X = V2 * sqrt(-2 * log(S) / S);
281 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
283 } // namespace JSBSim