Subversion Repositories openrisc

// { dg-do compile }

class FloatPoint;

class Path {

public:

    ~Path();

    void moveTo(const FloatPoint&);

    static void createEllipse(const FloatPoint& center, float rx, float ry);

};

extern "C" {

    extern float cosf (float);

    extern float sinf (float);

}

const float piFloat = static_cast(3.14159265358979323846);

class FloatPoint {

public:

    FloatPoint(float x, float y) : m_x(x), m_y(y) { }

    float x() const;

    float y() const;

    float m_x, m_y;

};

void Path::createEllipse(const FloatPoint& center, float rx, float ry)

{

  float cx = center.x();

  float cy = center.y();

  Path path;

  float x = cx;

  float y = cy;

  unsigned step = 0, num = 100;

  while (1) {

      float angle = static_cast(step) / num * 2.0f * piFloat;

      x = cx + cosf(angle) * rx;

      y = cy + sinf(angle) * ry;

      step++;

      if (step == 1)

        path.moveTo(FloatPoint(x, y));

  }

}