Martin v. Loewis wrote:
floor(x) returns an integer
Why do you say that? Assuming you are talking about math.floor, it works
differently for me:
py> math.floor(10.0/3)
3.0
I've just double-checked. It returns a float in Python 2.x and an int in
Python 3.x. (I recently switched to Python 3.1.
> CELL_SIZE = 4
>
> def key(point):
>
> return (
> int((floor(point[0]/CELL_SIZE))*CELL_SIZE),
> int((floor(point[1]/CELL_SIZE))*CELL_SIZE),
> int((floor(point[2]/CELL_SIZE))*CELL_SIZE)
> )
>
>
> Since python allows keys to be tuples, I think that this should wor
> floor(x) returns an integer
Why do you say that? Assuming you are talking about math.floor, it works
differently for me:
py> math.floor(10.0/3)
3.0
Regards,
Martin
--
http://mail.python.org/mailman/listinfo/python-list
Vish writes:
> I need to hash 3d coordinates to a grid which has been divided into
> 4*4*4 squares. Using python, I thought of a simple way as follows:
Use the built-in hash function:
>>> p = (1, 2, 3)
>>> print hash(p)
2528502973977326415
You can of course mod that by the table siz
Vish wrote:
Hi,
I need to hash 3d coordinates to a grid which has been divided into
4*4*4 squares. Using python, I thought of a simple way as follows:
CELL_SIZE = 4
def key(point):
return (
int((floor(point[0]/CELL_SIZE))*CELL_SIZE),
int((floor(point[1]/CELL_SIZE))*CELL_SI
Hi,
I need to hash 3d coordinates to a grid which has been divided into
4*4*4 squares. Using python, I thought of a simple way as follows:
CELL_SIZE = 4
def key(point):
return (
int((floor(point[0]/CELL_SIZE))*CELL_SIZE),
int((floor(point[1]/CELL_SIZE))*CELL_SIZE),
i
