maths.h

该程序实现FIRE足球机器人竞赛中的3：3比赛源码

// Maths.h: interface for the Maths class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_MATHS_H__282C0FB8_27DA_471A_B62D_2271B0DC873B__INCLUDED_)
#define AFX_MATH_H__282C0FB8_27DA_471A_B62D_2271B0DC873B__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000


#include <math.h>
#include <stdlib.h>	// needed for rand

typedef double AngRad;  /*!< Type definition for angles in degrees. */
typedef double AngDeg;  /*!< Type definition for angles in radians. */


#define pi 3.14159265358979323846
#define INF		10000000000.0
#define EPS		0.000001			/*!< Value used for floating point equality tests. */
const double  UnknownDoubleValue  = -1000.0; /*!< indicates unknown double    */
const int     UnknownIntValue     = -1000;   /*!< indicates unknown int       */
const int     UnknownTime         = -20;     /*!< indicates unknown time      */
const long    UnknownMessageNr    = -30;     /*!< indicates unknown message nr*/

#define M_PI	3.1415926	/* Value of pi */

class Maths
{
	public:
	// auxiliary numeric functions for determining the
	// maximum and minimum of two given double values and the Maths::Sign of a value
	static double Max     ( double d1, double d2 );
	static double Min     ( double d1, double d2 );
	static int    Sign    ( double d1            );

	// auxiliary goniometric functions which enable you to
	// specify angles in degrees rather than in radians
	static AngDeg Rad2Deg ( AngRad x             );
	static AngRad Deg2Rad ( AngDeg x             );
	static double cosDeg  ( AngDeg x             );
	static double sinDeg  ( AngDeg x             );
	static double tanDeg  ( AngDeg x             );
	static AngDeg atanDeg ( double x             );
	static double atan2Deg( double x,  double y  );
	static AngDeg acosDeg ( double x             );
	static AngDeg asinDeg ( double x             );

	#ifdef WIN32
	/*! This function shall return the integral value (represented as a double)
	nearest x in the direction of the current rounding mode. The current
	rounding mode is implementation-defined.

	If the current rounding mode rounds toward negative infinity, then Maths::rint()
	shall be equivalent to floor() . If the current rounding mode rounds
	toward positive infinity, then Maths::rint() shall be equivalent to ceil().
	url: http://www.opengroup.org/onlinepubs/007904975/functions/Maths::rint.html */
	static double rint(double x) { return floor(x);	}

	/*! The Maths::drand48() function shall return non-negative,
	double-precision, floating-point values, uniformly distributed over the
	interval [0.0,1.0).
	url: http://www.opengroup.org/onlinepubs/007904975/functions/Maths::drand48.html */
	static double drand48()	{ return ((double)(rand() % 100)) / 100; }
	#endif

};

#endif // !defined(AFX_MATHS_H__282C0FB8_27DA_471A_B62D_2271B0DC873B__INCLUDED_)