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["Ravish\(OpenERP\)" <932390@xxxxxxxxxxxxxxxxxx>]

*** This bug is a duplicate of bug 931363 ***
    https://bugs.launchpad.net/bugs/931363

Hello Nhomar,

This issue is  only effecting in Stable .It's working properly fine in Trunk with revision no :: 6582
So , I am setting it as  duplicate of lp:931363 

Thanks!!

** This bug has been marked a duplicate of bug 931363
   UoM convertion with same Uom Category: New Uom ratio changed by system after save

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https://bugs.launchpad.net/bugs/932390

Title:
  [6.0 TRUNK] product Why factor_inv is calculated issue rounding

Status in OpenERP Addons (modules):
  New

Bug description:
  I saw this:

  'factor_inv': fields.function(_factor_inv, digits_compute=dp.get_    precision('Product UoM'),
               fnct_inv=_factor_inv_write,
               method=True, string='Ratio',
               help='How many times this UoM is bigger than the reference Uo    M in this category:\n'\
                       '1 * (this unit) = ratio * (reference unit)', require    d=True),

  When you verify the compute:

       def _compute_factor_inv(self, factor):
           return factor and round(1.0 / factor, 6) or 0.0

  
  In what parallel world you save a FACTOR calculating with a rounding that provoce an bigger error than the solved for it.

  If you look in a book, you can see how the indirect measure is un
  precise and bad done, you need to measure directly and put results
  exactly on your equations.

  This algorith in moy point of view is totally wrong.

  Example case.

  
  Put a unit PCE.
  Create anothe one where this unit is base, and bigger than base.
  Put 12000

  See how value is wrong calculated (and it must not be calculated.)

  
  result.: Customer really unconfortable because he think system has really bad features in base.

  Thanks.

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