Add power to FLOATOBJ

const FLOATOBJ gef2;

const FLOATOBJ gefHalf;

const FLOATOBJ gefPi;

const FLOATOBJ gef2Pi;

const FLOATOBJ gefPi2;

const FLOATOBJ gefPi4;

const FLOATOBJ gef3Pi4;

FLOATOBJ FLOATOBJ_2; // two

FLOATOBJ FLOATOBJ_1_2; // a half

FLOATOBJ FLOATOBJ_SQR2;  // the square root of 2

FLOATOBJ FLOATOBJ_PI; // Pi

FLOATOBJ FLOATOBJ_2_PI; // twice of Pi

FLOATOBJ FLOATOBJ_PI_2; // a half of Pi

FLOATOBJ FLOATOBJ_PI_4; // a quarter of Pi

FLOATOBJ FLOATOBJ_3_PI_4; // three quarters of Pi

VOID FLOATOBJ_CosSin(FLOATOBJ *pCos, FLOATOBJ *pSin, const FLOATOBJ *angle);

VOID FLOATOBJ_Cos(FLOATOBJ *pCos, const FLOATOBJ *angle);

VOID FLOATOBJ_Sin(FLOATOBJ *pSin, const FLOATOBJ *angle);

VOID FLOATOBJ_Round(FLOATOBJ *pf);

BOOL FLOATOBJ_Abs(FLOATOBJ *pf); // absolute value

BOOL FLOATOBJ_GreaterThan0(const FLOATOBJ *pf);