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Re: Odd math related issue.

Robert Rawlins wrote:
I’ve got what seems to me to be a totally illogical math issue here
which I can’t figure out. Take a look at the following code:

/self/.__logger.info(/"%i / %i"/ % (bytes_transfer red,
/self/.__sessions[path].total_bytes))

percentage = bytes_transferr ed /
/self/.__sessions[path].total_bytes * 100

/self/.__logger.info(/"%i"/ % percentage)

Seems fairly straight forward, you would think. It takes two values and
calculates the percentage of one from the other, however, percentage
always comes back as ‘0’ for some reason, look at this log output.
if you divide two integers, you'll get an integer back (in Python 2.X,
at least). quick fix:

percentage = bytes_transferr ed * 100 / total_bytes

</F>

Jul 21 '08 #1
1 1306
On Jul 21, 3:52*am, Fredrik Lundh <fred...@python ware.comwrote:
Robert Rawlins wrote:
I’ve got what seems to me to be a totally illogical math issue here
which I can’t figure out. Take a look at the following code:
* * * * /self/.__logger.info(/"%i / %i"/ % (bytes_transfer red,
/self/.__sessions[path].total_bytes))
* * * * percentage = bytes_transferr ed /
/self/.__sessions[path].total_bytes * 100
* * * * /self/.__logger.info(/"%i"/ % percentage)
Seems fairly straight forward, you would think. It takes two values and
calculates the percentage of one from the other, however, percentage
always comes back as ‘0’ for some reason, look at this log output.

if you divide two integers, you'll get an integer back (in Python 2.X,
at least). *quick fix:

* * * percentage = bytes_transferr ed * 100 / total_bytes

</F>
The most wonderful statement in the Python language is

from __future__ import division
Jul 22 '08 #2

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