Nicolas Martinelli ebac669b2e [FIX] account: tax rounding error
- Create Tax 0:
  Percentage
  Amount: 0
  Tax Included
  Tax Group 0
- Create Tax 8:
  Percentage
  Amount: 8
  Tax Included
  Tax Group 8
- Create a customer invoice with one line
  Quantity: 8.0
  Price Unit: 15.55
  Taxes: Tax 8, Tax 0 (order is important)

The tax amounts are:
  Tax 8: 9.22
  Tax 0: -0.01

If the taxes are inverted, the tax amounts
  Tax 8: 9.21
  Tax 0: 0.00

The difference is due to the rounding of the 8% tax done differently. In
the second case, the computation of the 8% tax goes through:

https://github.com/odoo/odoo/blob/8c5cd335a57c20ed5faa6b7c7630c296c1f2a5cf/addons/account/models/account.py#L1480

In the first case, the amount is recomputed in:

https://github.com/odoo/odoo/blob/8c5cd335a57c20ed5faa6b7c7630c296c1f2a5cf/addons/account/models/account.py#L1483

The rounding is different in both cases, leading to an inconsistency.

When the tax amount is zero, there is no need to save the amount in
`total_included_checkpoints`.

opw-2306676

closes odoo/odoo#55812

X-original-commit: e2776e188070221ef465a864bd2cb8dcfc971e14
Signed-off-by: Jorge Pinna Puissant (jpp) <jpp@odoo.com>
2020-08-12 13:42:20 +00:00
2020-08-12 13:42:20 +00:00
2020-08-12 08:52:20 +00:00
2020-04-20 11:41:39 +00:00
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Odoo

Odoo is a suite of web based open source business apps.

The main Odoo Apps include an Open Source CRM, Website Builder, eCommerce, Warehouse Management, Project Management, Billing & Accounting, Point of Sale, Human Resources, Marketing, Manufacturing, ...

Odoo Apps can be used as stand-alone applications, but they also integrate seamlessly so you get a full-featured Open Source ERP when you install several Apps.

Getting started with Odoo

For a standard installation please follow the Setup instructions from the documentation.

To learn the software, we recommend the Odoo eLearning, or Scale-up, the business game. Developers can start with the developer tutorials

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