>>> x = np.array([[1.0, 2.3], [1.3, 2.9]]) >>> x array([[ 1. , 2.3], [ 1.3, 2.9]]) >>> x.astype(int) array([[1, 2], [1, 2]])
int i, k = 0; for (i = 0; i < n; i++) k = 10 * k + a[i];