coa

int GameOfLife::getNeighbourSum(unsigned int row, unsigned int col)
{
	int sum = 0;

	// TODO: PLACE CODE HERE

	for (int i = row - 1; i < row + 2; i++)
	{
		for (int j = col - 1; j < col + 2; j++)
		{
			if (!(i == row && j == col))
			{
				if (m_buffer[i*m_width + j] == 1)
				{
					sum++;
				}
			}
		}
	}




void GameOfLife::nextIterSerial2(unsigned int r,unsigned int c,unsigned int step)
{
	for (int row = r; row < row+step; row++)
	{
		for (int col = c; col < col+step; col++)
		{
			// TODO: IMPLEMENT getNeighbourSum
			int neighbours = getNeighbourSum(row, col);
			if (m_buffer[row * m_width + col] == 1)
			{
				if ((neighbours == 2) || (neighbours == 3))
				{
					m_nextIter[row * m_width + col] = 1;
				}
				else
				{
					m_nextIter[row * m_width + col] = 0;
				}
			}
			else
			{
				if (neighbours == 3)
				{
					m_nextIter[row * m_width + col] = 1;
				}
				else
				{
					m_nextIter[row * m_width + col] = 0;
				}
			}
		}
	}


#define coreNmbr 4
#define grainSize (m_width/coreNmbr)

void GameOfLife::Parallel(unsigned int r, unsigned int c, unsigned int step)
{

	if (step == grainSize)
	{
		nextIterSerial2(r, c, step)
	}
	else
	{
		step = step / 2;
		cilk_spawn Parallel(r, c, step);
		cilk_spawn Parallel(r + step, c, step);
		clik_spawn Parallel(r, c + step, step);
		Parallel(r + step, c + step, step);
		cilk_sync;

	}

}

void GameOfLife::nextIterParallel()
{
	// TODO: PLACE CODE HERE
	Parallel(0, 0, m_height);


	// switch buffers
	unsigned char* temp = m_buffer;
	m_buffer = m_nextIter;
	m_nextIter = temp;


}


GameOfLife::~GameOfLife()
{
	delete [] m_buffer;
	delete [] m_nextIter;
}