Eliminate residue?

[MetroWind]

Hi all,

So I have this entry:

2017-09-09 * "" "Meals"

  Expenses:Food 39.97 USD

  Expenses:Taxes:Consumer 3.7 USD

  Liabilities:Credit:Sapphire

However the context shows

2017-09-09 * "Hunan Impression" "Meals"

  Expenses:Food                 39.97 USD

  Expenses:Taxes:Consumer        3.70 USD

  Liabilities:Credit:Sapphire  -43.70 USD

Residual: (-0.03 USD)

Tolerances: USD=0.05

There are bunch of these cases, and my balance is now off by 0.05 USD (which is fine by me, but beancount always complains).  Is there a way to eliminate that without padding it?

Thanks

[Oon-Ee Ng]

Am not very familiar, but have you tried 3.70 instead of 3.7?

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[MetroWind]

On Sunday, November 12, 2017 at 12:45:20 PM UTC-8, Oon-Ee Ng wrote:

Am not very familiar, but have you tried 3.70 instead of 3.7?

Hmm… That’s… interesting. It works!

Thank you.

 

On 7 Nov 2017 3:23 pm, "MetroWind" <chris....@gmail.com> wrote:

Hi all,

So I have this entry:

2017-09-09 * "" "Meals"

  Expenses:Food 39.97 USD

  Expenses:Taxes:Consumer 3.7 USD

  Liabilities:Credit:Sapphire

However the context shows

2017-09-09 * "Hunan Impression" "Meals"

  Expenses:Food                 39.97 USD

  Expenses:Taxes:Consumer        3.70 USD

  Liabilities:Credit:Sapphire  -43.70 USD

Residual: (-0.03 USD)

Tolerances: USD=0.05

There are bunch of these cases, and my balance is now off by 0.05 USD (which is fine by me, but beancount always complains).  Is there a way to eliminate that without padding it?

Thanks

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[Oon-Ee Ng]

On Tue, Nov 14, 2017 at 6:12 AM, MetroWind <chris....@gmail.com> wrote:

On Sunday, November 12, 2017 at 12:45:20 PM UTC-8, Oon-Ee Ng wrote:

Am not very familiar, but have you tried 3.70 instead of 3.7?

Hmm… That’s… interesting. It works!

Thank you.

Okay... you should post a bug report for Martin to look at. This looks to be a worse impact of the way beancount automatically tries to surmise decimalization.... I've got a report on the reporting aspect of this a while back, but did not realize actual accounting would also be affected. 

[Martin Blais]

By allowing a "3.7" amount, Beancount automatically infers that it should use a tolerance of 0.05 USD and does corresponding rounding.

In your particular example, this might not seem appealing, but there are many other scenarios - in particular, when cost basis is involved - where this is the preferential choice.

Use "3.70" in order to avoid this.

Regardless, I admit that this can be a bit surprising, and I've been pondering about adding some sort of explicit option to "fix" the tolerances, something similar to "inferred_tolerances_default", but that would simply override and set the final tolerance. It might even speed up some of the parsing.

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