Date started: 07/01/01
Purpose: Encapsulates the JSBBase object
- ------------- Copyright (C) 2001 Jon S. Berndt (jsb@hal-pc.org) -------------
+ ------------- Copyright (C) 2001 Jon S. Berndt (jon@jsbsim.org) -------------
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the Free Software
INCLUDES
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+#define BASE
+
#include "FGJSBBase.h"
+#include <iostream>
+#include <sstream>
+#include <cstdlib>
namespace JSBSim {
-static const char *IdSrc = "$Id$";
+static const char *IdSrc = "$Id: FGJSBBase.cpp,v 1.30 2011/06/13 11:47:04 jberndt Exp $";
static const char *IdHdr = ID_JSBBASE;
/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
char FGJSBBase::fgdef[6] = {'\0' };
#endif
-const double FGJSBBase::radtodeg = 57.29578;
-const double FGJSBBase::degtorad = 1.745329E-2;
+const double FGJSBBase::radtodeg = 57.295779513082320876798154814105;
+const double FGJSBBase::degtorad = 0.017453292519943295769236907684886;
const double FGJSBBase::hptoftlbssec = 550.0;
const double FGJSBBase::psftoinhg = 0.014138;
const double FGJSBBase::psftopa = 47.88;
const double FGJSBBase::ktstofps = 1.68781;
const double FGJSBBase::inchtoft = 0.08333333;
const double FGJSBBase::in3tom3 = 1.638706E-5;
-double FGJSBBase::Reng = 1716.0;
+const double FGJSBBase::m3toft3 = 1.0/(fttom*fttom*fttom);
+const double FGJSBBase::inhgtopa = 3386.38;
+const double FGJSBBase::fttom = 0.3048;
+double FGJSBBase::Reng = 1716.56; // Gas constant for Air (ft-lb/slug-R)
+double FGJSBBase::Rstar = 1545.348; // Universal gas constant
+double FGJSBBase::Mair = 28.9645; //
const double FGJSBBase::SHRatio = 1.40;
// Note that definition of lbtoslug by the inverse of slugtolb and not
// Taken from units gnu commandline tool
const double FGJSBBase::slugtolb = 32.174049;
const double FGJSBBase::lbtoslug = 1.0/slugtolb;
+const double FGJSBBase::kgtolb = 2.20462;
+const double FGJSBBase::kgtoslug = 0.06852168;
const string FGJSBBase::needed_cfg_version = "2.0";
-const string FGJSBBase::JSBSim_version = "0.9.12 "__DATE__" "__TIME__;
+const string FGJSBBase::JSBSim_version = "1.0 "__DATE__" "__TIME__;
-std::queue <FGJSBBase::Message*> FGJSBBase::Messages;
+std::queue <FGJSBBase::Message> FGJSBBase::Messages;
FGJSBBase::Message FGJSBBase::localMsg;
unsigned int FGJSBBase::messageId = 0;
short FGJSBBase::debug_lvl = 1;
+using std::cerr;
+using std::cout;
+using std::endl;
+
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-FGJSBBase::Message* FGJSBBase::PutMessage(Message* msg)
+void FGJSBBase::PutMessage(const Message& msg)
{
Messages.push(msg);
- return msg;
}
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-FGJSBBase::Message* FGJSBBase::PutMessage(const string& text)
+void FGJSBBase::PutMessage(const string& text)
{
- Message *msg = new Message();
- msg->text = text;
- msg->messageId = messageId++;
- msg->subsystem = "FDM";
- msg->type = Message::eText;
+ Message msg;
+ msg.text = text;
+ msg.messageId = messageId++;
+ msg.subsystem = "FDM";
+ msg.type = Message::eText;
Messages.push(msg);
- return msg;
}
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-FGJSBBase::Message* FGJSBBase::PutMessage(const string& text, bool bVal)
+void FGJSBBase::PutMessage(const string& text, bool bVal)
{
- Message *msg = new Message();
- msg->text = text;
- msg->messageId = messageId++;
- msg->subsystem = "FDM";
- msg->type = Message::eBool;
- msg->bVal = bVal;
+ Message msg;
+ msg.text = text;
+ msg.messageId = messageId++;
+ msg.subsystem = "FDM";
+ msg.type = Message::eBool;
+ msg.bVal = bVal;
Messages.push(msg);
- return msg;
}
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-FGJSBBase::Message* FGJSBBase::PutMessage(const string& text, int iVal)
+void FGJSBBase::PutMessage(const string& text, int iVal)
{
- Message *msg = new Message();
- msg->text = text;
- msg->messageId = messageId++;
- msg->subsystem = "FDM";
- msg->type = Message::eInteger;
- msg->bVal = (iVal != 0);
+ Message msg;
+ msg.text = text;
+ msg.messageId = messageId++;
+ msg.subsystem = "FDM";
+ msg.type = Message::eInteger;
+ msg.bVal = (iVal != 0);
Messages.push(msg);
- return msg;
}
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-FGJSBBase::Message* FGJSBBase::PutMessage(const string& text, double dVal)
+void FGJSBBase::PutMessage(const string& text, double dVal)
{
- Message *msg = new Message();
- msg->text = text;
- msg->messageId = messageId++;
- msg->subsystem = "FDM";
- msg->type = Message::eDouble;
- msg->bVal = (dVal != 0.0);
+ Message msg;
+ msg.text = text;
+ msg.messageId = messageId++;
+ msg.subsystem = "FDM";
+ msg.type = Message::eDouble;
+ msg.bVal = (dVal != 0.0);
Messages.push(msg);
- return msg;
}
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-FGJSBBase::Message* FGJSBBase::ReadMessage(void)
+int FGJSBBase::SomeMessages(void)
{
- if (!Messages.empty()) return Messages.front();
- else return NULL;
+ return !Messages.empty();
}
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-FGJSBBase::Message* FGJSBBase::ProcessMessage(void)
+void FGJSBBase::ProcessMessage(void)
{
- if (!Messages.empty())
- localMsg = *(Messages.front());
- else
- return NULL;
+ if (Messages.empty()) return;
+ localMsg = Messages.front();
+
+ while (Messages.size() > 0) {
+ switch (localMsg.type) {
+ case JSBSim::FGJSBBase::Message::eText:
+ cout << localMsg.messageId << ": " << localMsg.text << endl;
+ break;
+ case JSBSim::FGJSBBase::Message::eBool:
+ cout << localMsg.messageId << ": " << localMsg.text << " " << localMsg.bVal << endl;
+ break;
+ case JSBSim::FGJSBBase::Message::eInteger:
+ cout << localMsg.messageId << ": " << localMsg.text << " " << localMsg.iVal << endl;
+ break;
+ case JSBSim::FGJSBBase::Message::eDouble:
+ cout << localMsg.messageId << ": " << localMsg.text << " " << localMsg.dVal << endl;
+ break;
+ default:
+ cerr << "Unrecognized message type." << endl;
+ break;
+ }
+ Messages.pop();
+ if (Messages.size() > 0) localMsg = Messages.front();
+ else break;
+ }
+
+}
+
+//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+FGJSBBase::Message* FGJSBBase::ProcessNextMessage(void)
+{
+ if (Messages.empty()) return NULL;
+ localMsg = Messages.front();
+
Messages.pop();
return &localMsg;
}
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+string FGJSBBase::CreateIndexedPropertyName(const string& Property, int index)
+{
+ std::ostringstream buf;
+ buf << Property << '[' << index << ']';
+ return buf.str();
+}
+
+//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+double FGJSBBase::GaussianRandomNumber(void)
+{
+ static double V1, V2, S;
+ static int phase = 0;
+ double X;
+
+ if (phase == 0) {
+ V1 = V2 = S = X = 0.0;
+
+ do {
+ double U1 = (double)rand() / RAND_MAX;
+ double U2 = (double)rand() / RAND_MAX;
+
+ V1 = 2 * U1 - 1;
+ V2 = 2 * U2 - 1;
+ S = V1 * V1 + V2 * V2;
+ } while(S >= 1 || S == 0);
+
+ X = V1 * sqrt(-2 * log(S) / S);
+ } else
+ X = V2 * sqrt(-2 * log(S) / S);
+
+ phase = 1 - phase;
+
+ return X;
+}
+
+//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
} // namespace JSBSim