INCLUDES
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+#include <float.h>
+
#ifdef FGFS
# include <simgear/compiler.h>
# include <math.h>
# include STL_STRING
SG_USING_STD(string);
-SG_USING_STD(queue);
-#else
+# ifndef M_PI
+# include <simgear/constants.h>
+# define M_PI SG_PI
+# endif
+
+#else // JSBSim section
# include <queue>
# include <string>
# endif
using std::string;
-using std::queue;
+
+# if defined(_MSC_VER) && _MSC_VER <= 1200
+# ifndef max
+# define max(a,b) (((a) > (b)) ? (a) : (b))
+# endif
+
+# ifndef min
+# define min(a,b) (((a) < (b)) ? (a) : (b))
+# endif
+# else
+
+using std::fabs;
+
+# endif
+
+# ifndef M_PI
+# define M_PI 3.14159265358979323846
+# endif
+
#endif
-#ifndef M_PI
-# include <simgear/constants.h>
-# define M_PI SG_PI
+#if !defined(WIN32) || defined(__GNUC__) || (defined(_MSC_VER) && (_MSC_VER >= 1400))
+using std::max;
#endif
/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
FORWARD DECLARATIONS
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
-enum eParam {
- FG_UNDEF = 0,
- FG_TIME,
- FG_QBAR,
- FG_WINGAREA,
- FG_WINGSPAN,
- FG_CBAR,
- FG_ALPHA,
- FG_ALPHADOT,
- FG_BETA,
- FG_ABETA,
- FG_BETADOT,
- FG_PHI,
- FG_THT,
- FG_PSI,
- FG_PITCHRATE,
- FG_ROLLRATE,
- FG_YAWRATE,
- FG_AEROP,
- FG_AEROQ,
- FG_AEROR,
- FG_CL_SQRD,
- FG_MACH,
- FG_ALTITUDE,
- FG_BI2VEL,
- FG_CI2VEL,
- FG_ELEVATOR_POS,
- FG_AILERON_POS,
- FG_RUDDER_POS,
- FG_SPDBRAKE_POS,
- FG_SPOILERS_POS,
- FG_FLAPS_POS,
- FG_ELEVATOR_CMD,
- FG_AILERON_CMD,
- FG_RUDDER_CMD,
- FG_SPDBRAKE_CMD,
- FG_SPOILERS_CMD,
- FG_FLAPS_CMD,
- FG_THROTTLE_CMD,
- FG_THROTTLE_POS,
- FG_MIXTURE_CMD,
- FG_MIXTURE_POS,
- FG_MAGNETO_CMD,
- FG_STARTER_CMD,
- FG_ACTIVE_ENGINE,
- FG_HOVERB,
- FG_PITCH_TRIM_CMD,
- FG_YAW_TRIM_CMD,
- FG_ROLL_TRIM_CMD,
- FG_LEFT_BRAKE_CMD,
- FG_CENTER_BRAKE_CMD,
- FG_RIGHT_BRAKE_CMD,
- FG_SET_LOGGING,
- FG_ALPHAH,
- FG_ALPHAW,
- FG_LBARH, //normalized horizontal tail arm
- FG_LBARV, //normalized vertical tail arm
- FG_HTAILAREA,
- FG_VTAILAREA,
- FG_VBARH, //horizontal tail volume
- FG_VBARV, //vertical tail volume
- FG_GEAR_CMD,
- FG_GEAR_POS
-};
-
-/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-COMMENTS, REFERENCES, and NOTES [use "class documentation" below for API docs]
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+namespace JSBSim {
/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
CLASS DOCUMENTATION
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
/** JSBSim Base class.
+* This class provides universal constants, utility functions, messaging
+* functions, and enumerated constants to JSBSim.
@author Jon S. Berndt
@version $Id$
*/
class FGJSBBase {
public:
/// Constructor for FGJSBBase.
- FGJSBBase();
+ FGJSBBase() {};
/// Destructor for FGJSBBase.
- virtual ~FGJSBBase() {};
+ ~FGJSBBase() {};
/// JSBSim Message structure
typedef struct Msg {
double dVal;
} Message;
- ///@name JSBSim Enums.
- //@{
- /// Moments L, M, N
- enum {eL = 1, eM, eN };
- /// Rates P, Q, R
- enum {eP = 1, eQ, eR };
- /// Velocities U, V, W
- enum {eU = 1, eV, eW };
- /// Positions X, Y, Z
- enum {eX = 1, eY, eZ };
- /// Euler angles Phi, Theta, Psi
- enum {ePhi = 1, eTht, ePsi };
- /// Stability axis forces, Drag, Side force, Lift
- enum {eDrag = 1, eSide, eLift };
- /// Local frame orientation Roll, Pitch, Yaw
- enum {eRoll = 1, ePitch, eYaw };
- /// Local frame position North, East, Down
- enum {eNorth = 1, eEast, eDown };
- //@}
-
///@name JSBSim console output highlighting terms.
//@{
/// highlights text
/** Creates a message with the given text and places it on the queue.
@param text message text
@return pointer to a Message structure */
- Message* PutMessage(string text);
+ Message* PutMessage(const 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 */
- Message* PutMessage(string text, bool bVal);
+ Message* PutMessage(const 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 */
- Message* PutMessage(string text, int iVal);
+ Message* PutMessage(const 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 */
- Message* PutMessage(string text, double dVal);
+ Message* PutMessage(const string& text, double dVal);
/** Reads the message on the queue (but does not delete it).
@return pointer to a Message structure (or NULL if no mesage) */
Message* ReadMessage(void);
@return pointer to a Message structure (or NULL if no mesage) */
Message* ProcessMessage(void);
//@}
+
+ /** Returns the version number of JSBSim.
+ * @return The version number of JSBSim. */
string GetVersion(void) {return JSBSim_version;}
+ /// Disables highlighting in the console output.
+ void disableHighLighting(void);
+
+ static short debug_lvl;
+
+ /** Converts from degrees Kelvin to degrees Fahrenheit.
+ * @param kelvin The temperature in degrees Kelvin.
+ * @return The temperature in Fahrenheit. */
+ static double KelvinToFahrenheit (double kelvin) {
+ return 1.8*kelvin - 459.4;
+ }
+
+ /** Converts from degrees Rankine to degrees Celsius.
+ * @param rankine The temperature in degrees Rankine.
+ * @return The temperature in Celsius. */
+ static double RankineToCelsius (double rankine) {
+ return (rankine - 491.67)/1.8;
+ }
+
+ /** Converts from degrees Fahrenheit to degrees Celsius.
+ * @param fahrenheit The temperature in degrees Fahrenheit.
+ * @return The temperature in Celsius. */
+ static double FahrenheitToCelsius (double fahrenheit) {
+ return (fahrenheit - 32.0)/1.8;
+ }
+
+ /** Converts from degrees Celsius to degrees Fahrenheit.
+ * @param celsius The temperature in degrees Celsius.
+ * @return The temperature in Fahrenheit. */
+ static double CelsiusToFahrenheit (double celsius) {
+ return celsius * 1.8 + 32.0;
+ }
+
+ /** Finite precision comparison.
+ @param a first value to compare
+ @param b second value to compare
+ @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));
+ }
+
+ /** Finite precision comparison.
+ @param a first value to compare
+ @param b second value to compare
+ @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));
+ }
+
+ /** Finite precision comparison.
+ @param a first value to compare
+ @param b second value to compare
+ @return if the two values can be considered equal up to roundoff */
+ static bool EqualToRoundoff(float a, double b) {
+ return EqualToRoundoff(a, (float)b);
+ }
+
+ /** Finite precision comparison.
+ @param a first value to compare
+ @param b second value to compare
+ @return if the two values can be considered equal up to roundoff */
+ static bool EqualToRoundoff(double a, float b) {
+ return EqualToRoundoff((float)a, b);
+ }
+
protected:
static Message localMsg;
-
- static queue <Message*> Messages;
- virtual void Debug(int from) {};
+ static std::queue <Message*> Messages;
+
+ void Debug(int from) {};
- static short debug_lvl;
static unsigned int frame;
static unsigned int messageId;
-
+
static const double radtodeg;
static const double degtorad;
static const double hptoftlbssec;
+ static const double psftoinhg;
+ static const double psftopa;
static const double fpstokts;
static const double ktstofps;
static const double inchtoft;
- static const double Reng; // Specific Gas Constant,ft^2/(sec^2*R)
+ static const double in3tom3;
+ static double Reng; // Specific Gas Constant,ft^2/(sec^2*R)
static const double SHRatio;
+ static const double lbtoslug;
+ static const double slugtolb;
static const string needed_cfg_version;
static const string JSBSim_version;
+
+public:
+/// Moments L, M, N
+enum {eL = 1, eM, eN };
+/// Rates P, Q, R
+enum {eP = 1, eQ, eR };
+/// Velocities U, V, W
+enum {eU = 1, eV, eW };
+/// Positions X, Y, Z
+enum {eX = 1, eY, eZ };
+/// Euler angles Phi, Theta, Psi
+enum {ePhi = 1, eTht, ePsi };
+/// Stability axis forces, Drag, Side force, Lift
+enum {eDrag = 1, eSide, eLift };
+/// Local frame orientation Roll, Pitch, Yaw
+enum {eRoll = 1, ePitch, eYaw };
+/// Local frame position North, East, Down
+enum {eNorth = 1, eEast, eDown };
+/// Locations Radius, Latitude, Longitude
+enum {eLat = 1, eLong, eRad };
+/// Conversion specifiers
+enum {inNone = 0, inDegrees, inRadians, inMeters, inFeet };
+
};
+}
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
#endif
projects / flightgear.git / blobdiff