INCLUDES
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+#include <float.h>
+
#ifdef FGFS
# include <simgear/compiler.h>
# include <math.h>
using std::max;
#endif
-#ifdef __FreeBSD__ // define gcvt on FreeBSD
-
-#include <stdio.h>
-
-static char *gcvt(double number, size_t ndigit, char *buf)
-{
- sprintf(buf, "%f", number);
- return buf;
-}
-#endif
-
/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
DEFINITIONS
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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);
Message* ProcessMessage(void);
//@}
string GetVersion(void) {return JSBSim_version;}
-
+
void disableHighLighting(void);
static short debug_lvl;
- double KelvinToFahrenheit (double kelvin) {
+ static double KelvinToFahrenheit (double kelvin) {
return 1.8*kelvin - 459.4;
}
- double RankineToCelsius (double rankine) {
+ static double RankineToCelsius (double rankine) {
return (rankine - 491.67)/1.8;
}
+ static double FahrenheitToCelsius (double fahrenheit) {
+ return (fahrenheit - 32.0)/1.8;
+ }
+
+ 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 std::queue <Message*> Messages;
- virtual void Debug(int from) {};
+ void Debug(int from) {};
static unsigned int frame;
static unsigned int messageId;
-
+
static const double radtodeg;
static const double degtorad;
static const double hptoftlbssec;
static const double ktstofps;
static const double inchtoft;
static const double in3tom3;
- static const double Reng; // Specific Gas Constant,ft^2/(sec^2*R)
+ 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;
};
+
+/// 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