Author: Jon S. Berndt
Date started: 07/01/01
- ------------- 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
#include <float.h>
#include <queue>
#include <string>
-#include <sstream>
#include <cmath>
-#include <cstdlib>
-using std::fabs;
-using std::string;
+#include "input_output/string_utilities.h"
#ifndef M_PI
# define M_PI 3.14159265358979323846
#endif
-#if !defined(WIN32) || defined(__GNUC__) || (defined(_MSC_VER) && (_MSC_VER >= 1300))
- using std::max;
+#if defined(_MSC_VER) && (_MSC_VER < 1300)
+namespace std
+{
+ template <class T> inline T max(const T& a, const T& b)
+ {
+ return (a > b) ? a : b;
+ }
+}
#endif
/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
public:
unsigned int fdmId;
unsigned int messageId;
- string text;
- string subsystem;
+ std::string text;
+ std::string subsystem;
enum mType {eText, eInteger, eDouble, eBool} type;
bool bVal;
int iVal;
/** Places a Message structure on the Message queue.
@param msg pointer to a Message structure
@return pointer to a Message structure */
-void PutMessage(const Message& msg);
+ void PutMessage(const Message& msg);
/** Creates a message with the given text and places it on the queue.
@param text message text
@return pointer to a Message structure */
- void PutMessage(const string& text);
+ void PutMessage(const std::string& text);
/** Creates a message with the given text and boolean value and places it on the queue.
@param text message text
@param bVal boolean value associated with the message
@return pointer to a Message structure */
-void PutMessage(const string& text, bool bVal);
+ void PutMessage(const std::string& text, bool bVal);
/** Creates a message with the given text and integer value and places it on the queue.
@param text message text
@param iVal integer value associated with the message
@return pointer to a Message structure */
-void PutMessage(const string& text, int iVal);
+ void PutMessage(const std::string& text, int iVal);
/** Creates a message with the given text and double value and places it on the queue.
@param text message text
@param dVal double value associated with the message
@return pointer to a Message structure */
-void PutMessage(const string& text, double dVal);
+ void PutMessage(const std::string& text, double dVal);
/** Reads the message on the queue (but does not delete it).
@return 1 if some messages */
int SomeMessages(void);
/** Reads the message on the queue and removes it from the queue.
- @return pointer to a Message structure (or NULL if no mesage) */
- Message* ProcessMessage(void);
+ This function also prints out the message.*/
+ void ProcessMessage(void);
+ /** Reads the next message on the queue and removes it from the queue.
+ This function also prints out the message.
+ @return a pointer to the message, or NULL if there are no messages.*/
+ Message* ProcessNextMessage(void);
//@}
/** Returns the version number of JSBSim.
* @return The version number of JSBSim. */
- string GetVersion(void) {return JSBSim_version;}
+ std::string GetVersion(void) {return JSBSim_version;}
/// Disables highlighting in the console output.
void disableHighLighting(void);
@return if the two values can be considered equal up to roundoff */
static bool EqualToRoundoff(double a, double b) {
double eps = 2.0*DBL_EPSILON;
- return fabs(a - b) <= eps*max(fabs(a), fabs(b));
+ return std::fabs(a - b) <= eps*std::max(std::fabs(a), std::fabs(b));
}
/** Finite precision comparison.
@return if the two values can be considered equal up to roundoff */
static bool EqualToRoundoff(float a, float b) {
float eps = 2.0*FLT_EPSILON;
- return fabs(a - b) <= eps*max(fabs(a), fabs(b));
+ return std::fabs(a - b) <= eps*std::max(std::fabs(a), std::fabs(b));
}
/** Finite precision comparison.
static double Constrain(double min, double value, double max) {
return value<min?(min):(value>max?(max):(value));
}
+
+ static double sign(double num) {return num>=0.0?1.0:-1.0;}
protected:
static Message localMsg;
static const double slugtolb;
static const double kgtolb;
static const double kgtoslug;
- static const string needed_cfg_version;
- static const string JSBSim_version;
+ static const std::string needed_cfg_version;
+ static const std::string JSBSim_version;
- static string CreateIndexedPropertyName(string Property, int index)
- {
- std::stringstream str;
- str << index;
- string tmp;
- str >> tmp;
- return Property + "[" + tmp + "]";
- }
+ static std::string CreateIndexedPropertyName(const std::string& Property, int index);
- static double GaussianRandomNumber(void)
- {
- static double V1, V2, S;
- static int phase = 0;
- double X;
-
- if (phase == 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;
- }
+ static double GaussianRandomNumber(void);
public:
/// Moments L, M, N
projects / flightgear.git / blobdiff