[BUG] rounding errors - Earth Empires Forum

Marshal

Member
32,589

Mar 14th 2014, 12:27:07

5 countries bought stuff from public and all bought same amount but 1st paid 2 bucks less and 5th 1 buck less than 2-4.

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martian

Game Moderator
Mod Boss
7830

Mar 14th 2014, 13:23:19

$/unit of $2 total.
OUt of how much.

you are all special in the eyes of fluff
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RUN IT IS A KILLER BUNNY!!!

Marshal

Member
32,589

Mar 14th 2014, 19:31:25

few m bushels.

qzjul

Administrator
Game Development
10,263

Mar 15th 2014, 17:16:59

Maybe stuff came on the market during the transaction?

Finally did the signature thing.

Marshal

Member
32,589

Mar 15th 2014, 21:07:52

Originally posted by qzjul:

Maybe stuff came on the market during the transaction?

nope since price was same before and after and if cheaper bushels had come then all countries would have spent less not just 1st and 5th and if cheaper stuff had come then it would been bigger "discount" than 1-2 bucks (few m bucks actually) unless amount was 1 or 2 bushels.

Marshal

Member
32,589

Mar 18th 2014, 17:00:22

it occurs only if i buy 5m bushels or over.

Xinhuan

Member
3728

Mar 19th 2014, 2:12:12

Originally posted by Marshal:

5 countries bought stuff from public and all bought same amount but 1st paid 2 bucks less and 5th 1 buck less than 2-4.

You should try to be more specific. How much $ changed hands exactly in each transaction? How much was each bushel? And how many bushels?

Marshal

Member
32,589

Mar 19th 2014, 9:01:50

last time i bought 7.5m bushels @ 43 and 6% tax so 341850000 and this time most (1&2 and 4&5) paid 1 buck less, when i bought 3.9m bushels day before (same price) all paid same price.

Marshal

Member
32,589

Mar 20th 2014, 8:36:11

purchased 7,500,000 Bushels for $310,049,999.
purchased 7,500,000 Bushels for $310,050,000.
purchased 7,500,000 Bushels for $310,049,999.
purchased 7,500,000 Bushels for $310,049,999.
purchased 7,500,000 Bushels for $310,050,000.
purchased 7,500,000 Bushels for $310,050,000.

price was 39.

Xinhuan

Member
3728

Mar 20th 2014, 18:48:02

I don't know this one. There isn't any math that would have shortchanged you $1 on those occasions.

Marshal

Member
32,589

Mar 20th 2014, 19:22:24

and it only occurs when buying 5m+ bushels (and I have done that multiple times in current FFA set), 3.9m bushels all paid same.

edit: 6 countries were supposed buy upto x.2m bushels but those got only upto x.199999, bushels.

Edited By: Marshal on Mar 20th 2014, 20:09:20

Marshal

Member
32,589

Mar 21st 2014, 20:39:17

bought 7.5m bushels x 6 and no rounding downs this time

qzjul

Administrator
Game Development
10,263

Mar 22nd 2014, 2:40:14

Hm; It could be that some of them were buying from 2 people, and some were buying from 1 person... if one transaction was from 2 different people, you could have both rounded to 5 instead of rounded to 9

Finally did the signature thing.

qzjul

Administrator
Game Development
10,263

Mar 22nd 2014, 2:40:19

or vice versa

Finally did the signature thing.

Marshal

Member
32,589

Mar 22nd 2014, 4:34:02

same in english.

purchased 9,266,067 Bushels for $353,593,116.
purchased 9,266,067 Bushels for $353,593,116.
purchased 9,266,067 Bushels for $353,593,116.
purchased 9,266,067 Bushels for $353,593,114.
purchased 9,266,067 Bushels for $353,593,116.
purchased 9,266,067 Bushels for $353,593,115.

price was 36 and if rounding up then it should have cost 353593117 M due 72 cents over.

Edited By: Marshal on Mar 22nd 2014, 4:53:07

qzjul

Administrator
Game Development
10,263

Mar 22nd 2014, 4:54:18

uhh.....

qz puts up 1111111 bushels;
Xin puts up 2222222 bushels;
Martain puts up 35000000 bushels;

you buy all of qz's and all of xin's and some of martians, in your 5000000;

1111111 from qz * 43 * 1.06 = 50644439.38 = 50644439
2222221 from xin * 43 * 1.06 = 101288833.18 = 101288833
1666668 from martian * 43 * 1.06 = 75966727.44 =75966727
Total = 227899999

Next you buy 5000000 all from martian:
5000000 from martian * 43 * 1.06 = 227900000
Total = 227900000

Edited By: qzjul on Mar 22nd 2014, 16:15:33. Reason: It does actually round, not truncate

Finally did the signature thing.

Zorp

Member

EE Patron
953

Mar 22nd 2014, 5:50:44

Hmm, why are the dollar values truncated, and *before* adding them up? Since these are dollar amounts, it might make sense to include the decimals (cents) in the addition before truncating/rounding.

I believe this is his gripe, and to be honest I've always wondered why there aren't cents included in your on hand cash in the first place.

Marshal

Member
32,589

Mar 22nd 2014, 10:14:53

that's complicated system since bushels are on market in 1 big stack.

qzjul

Administrator
Game Development
10,263

Mar 22nd 2014, 15:48:32

Originally posted by Zorp:

Ah, I may actually have done that wrong, I believe they are rounded, not truncated.

But, they *HAVE* to be done that way, as when you buy off the market, you can be buying from multiple sellers; it thus has to do each transaction separately.... and then add them up

Let me edit the above to something that would work out the way i meant it to, with rounding.... hmmm

Edited By: qzjul on Mar 22nd 2014, 16:16:43
See Original Post

Finally did the signature thing.

qzjul

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Game Development
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Mar 22nd 2014, 16:15:43

Updated the math post

Finally did the signature thing.

Marshal

Member
32,589

Mar 22nd 2014, 22:11:24

okay although it happens in ffa only.

qzjul

Administrator
Game Development
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Mar 22nd 2014, 23:11:22

That will happen in ALL servers; you may need to buy a large enough volume to buy from multiple sellers though.

Finally did the signature thing.

blid

Member

EE Patron
9319

Mar 22nd 2014, 23:41:49

Who cares about rounding issues if it comes out to a $1 or $2 difference? LOL

Originally posted by Mr. Titanium:

Watch your mouth boy, I have never been accused of cheating on any server nor deleted before you just did right there.

Cerberus

Member

EE Patron
3849

Mar 23rd 2014, 7:14:11

Originally posted by Marshal:

OMGzors, a whole buck on a 300+ million transaction, the world is going to end. LOL Come on, Marshal, you're kidding right? Just busting their chops for fluffs and giggles?

I don't need anger management, people need to stop pissing me off!

Marshal

Member
32,589

Mar 23rd 2014, 12:51:05

just spent 635,999,999 in to bushels and price should been 1 buck higher. 1st time in alliance.

every buck matters.

its a bug still and it could lead to player losing extra money under some circumstances.

Zorp

Member

EE Patron
953

Mar 23rd 2014, 14:05:59

Dude, it's a fluffing dollar. This could happen literally 10 million times and at BEST, $200/NW, that would be 50k NW off a finish.

I'm pretty sure qz's got enough on his plate that fixing a bug that costs a dollar, and sounds like it would take quite a bit of work to change, is, and *should* be the last thing on his list.

Marshal

Member
32,589

Mar 23rd 2014, 19:42:21

why doesn't it happen when buying techs?

qzjul

Administrator
Game Development
10,263

Mar 23rd 2014, 23:27:33

Originally posted by Marshal:

its a bug still and it could lead to player losing extra money under some circumstances.

This is NOT A BUG! This is simply a result of actually having multiple transactions going on. I could make it *STOP YOU* from buying *MORE THAN* any individuals goods; but then you might have to buy 100x to get your 5M bushels....

Originally posted by Marshal:

why doesn't it happen when buying techs?

You're not buying enough! Try sinking $3B in at once to one tech....

Finally did the signature thing.