in pachi_py/cypachi.pyx [0:0]
def get_stones(self, stone color):
cdef np.ndarray[np.int_t, ndim=2] stones = np.empty((self._size*self._size, 2), dtype=np.int)
cdef int i, j
cdef unsigned int num_stones = 0
for i in range(self._size):
for j in range(self._size):
if board_atij(self._b.pachiboard(), i, j) == color:
stones[num_stones,0] = i
stones[num_stones,1] = j
num_stones += 1
return stones[:num_stones,:]