Реферат Розробка класу "Геометрична фігура"

=" < CoordRO <

<<"Fi =" < CoordFi <

<<"~ Point." <

}

} Point :: RotatePoint (Point & Second, double Angle, int j)

{, CrdY, X, Y;, CoordY; (& CoordX, & CoordY);. ConvertToXY (& X, & Y); = X + (CoordX - X) * cos (Angle) - (CoordY - Y) * sin (Angle); = Y + (CoordX - X) * sin (Angle) + (CoordY - Y) * cos (Angle); (CrdX, CrdY);

} Point :: ConvertToXY (double * CoordX, double * CoordY)

{

* CoordX = CoordRO * cos (CoordFi);

* CoordY = CoordRO * sin (CoordFi);

} Point :: ConvertToRF (double CoordX, double CoordY)

{= sqrt (pow (CoordX, 2) + pow (CoordY, 2)); (CoordX> 0)

{(CoordY> = 0) = atan (CoordY/CoordX); = atan (CoordY/CoordX) + 2 * M_PI;

} (CoordX <0) = atan (CoordY/CoordX) + M_PI; (CoordY> 0) = M_PI/2; (CoordY <0) = 3 * M_PI/2; = 0;

} Point :: GetCoordRO () const

{<<"The radial coordinate of the point - RO:" <

} Point :: GetCoordFi () const

{<<"The angular coordinate of a point in radians - Fi:" <

} Point :: SetCoord (char ch)

{

charstr [2];// Вводитимемо макс. один символ для перевірки наявності зайвого

double work = NULL; (ch)

{'P':

{= NULL, CoordY = NULL; (; ;)

{<

{(" n>> Only digits and only one number allowed! << n"); (); (num == 0) ("% * [^ n] ");

};// З for (; ;)

} (; ;)

{<

{(" n>> Only digits and only one number allowed! << n"); (); (num == 0) ("% * [^ n] ");

};

}> ConvertToRF (CoordX, CoordY); 0;

} 'F':

{(; ;)

{(); <<"Enter the angular coordinate of a point" <<

"(in radians) - Fi:"; = scanf ("% lf" "% 1 [^ n]" "% * [^ n]" , & work, str); (num! = 1)

{(" n>> Only digits and only one number allowed! << n"); (); (num == 0) ("% * [^ n] ");

} (work <0 | | work> 2 * M_PI)

{<> Radial coordinate of the point must be" <<

"be greate...