openerp-india team mailing list archive

[Marco Dieckhoff <882036@xxxxxxxxxxxxxxxxxx>]

Fabrizio: Float vs. Decimal was discussed multiple times, not just now or since 6.x.
The OpenERP v5 fork Tryton uses decimals, afaik.

OpenERP fears it's much slower and more complex to handle with
arithmetic operations.

In one of my last bugs about a rounding issue, someone (Olivier Dony?)
posted a link to a statement about that.

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https://bugs.launchpad.net/bugs/882036

Title:
  rounding error

Status in OpenERP Server:
  New

Bug description:
  Concerns 6.0 and trunk.
  If you define a precision of 0.01, the rounding of 0.125 must be 0.13 and not 0.12. The error is in the call of the format string "%.2f"%val which introduces a mathematical error. The round function must be called to apply the correct rounding before formatting the string. It should be:
  "%.2f"%round(val*100)/100
  Fix class digits_change of class float in the server. BUT fix also the gtk client AND web client as they all have that error (I let you find the right line)

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