Talk:Price fraction: Difference between revisions
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(no, java Currency doesn't do that...) |
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What's supposed to happen if you get a negative number, or a number greater than 1.01? -- [[User:Eriksiers|Eriksiers]] 19:13, 15 March 2010 (UTC) |
What's supposed to happen if you get a negative number, or a number greater than 1.01? -- [[User:Eriksiers|Eriksiers]] 19:13, 15 March 2010 (UTC) |
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:The calling routine takes care of those details --[[User:Axtens|Axtens]] 02:30, 16 March 2010 (UTC) |
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== Floating point for money?! == |
== Floating point for money?! == |
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:I've had that exact conversation with a friend in the past few weeks. All I can say is... I (at least) never think of the problems, or the alternatives. -- [[User:Eriksiers|Eriksiers]] 20:44, 15 March 2010 (UTC) |
:I've had that exact conversation with a friend in the past few weeks. All I can say is... I (at least) never think of the problems, or the alternatives. -- [[User:Eriksiers|Eriksiers]] 20:44, 15 March 2010 (UTC) |
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:: Two topics on the original wiki, [http://c2.com/cgi/wiki?FloatingPointCurrency Floating Point Currency] and [http://c2.com/cgi/wiki?MoneyObject Money Object], contain many anecdotes, cautionary tales, and useful links. For a toy problem like this, using an integer in units of cents should suffice. --[[User:IanOsgood|IanOsgood]] 01:29, 16 March 2010 (UTC) |
:: Two topics on the original wiki, [http://c2.com/cgi/wiki?FloatingPointCurrency Floating Point Currency] and [http://c2.com/cgi/wiki?MoneyObject Money Object], contain many anecdotes, cautionary tales, and useful links. For a toy problem like this, using an integer in units of cents should suffice. --[[User:IanOsgood|IanOsgood]] 01:29, 16 March 2010 (UTC) |
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:::All good points. However, (1) I'm the maintenance programmer, and (2) to work in integers would require a significant rewrite, something I have neither the time nor the patience for (I don't get paid for the work, and have to fit it in wherever and whenever possible.) --[[User:Axtens|Axtens]] 02:30, 16 March 2010 (UTC) |
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Revision as of 02:30, 16 March 2010
Table extension
What do you get for an input price of 0.99 or 1.00? --Paddy3118 09:56, 15 March 2010 (UTC)
What about invalid values?
What's supposed to happen if you get a negative number, or a number greater than 1.01? -- Eriksiers 19:13, 15 March 2010 (UTC)
- The calling routine takes care of those details --Axtens 02:30, 16 March 2010 (UTC)
Floating point for money?!
Floating point for money? Don't they teach kids anything these days? --IanOsgood 20:15, 15 March 2010 (UTC)
- I've had that exact conversation with a friend in the past few weeks. All I can say is... I (at least) never think of the problems, or the alternatives. -- Eriksiers 20:44, 15 March 2010 (UTC)
- Two topics on the original wiki, Floating Point Currency and Money Object, contain many anecdotes, cautionary tales, and useful links. For a toy problem like this, using an integer in units of cents should suffice. --IanOsgood 01:29, 16 March 2010 (UTC)
- All good points. However, (1) I'm the maintenance programmer, and (2) to work in integers would require a significant rewrite, something I have neither the time nor the patience for (I don't get paid for the work, and have to fit it in wherever and whenever possible.) --Axtens 02:30, 16 March 2010 (UTC)
- Two topics on the original wiki, Floating Point Currency and Money Object, contain many anecdotes, cautionary tales, and useful links. For a toy problem like this, using an integer in units of cents should suffice. --IanOsgood 01:29, 16 March 2010 (UTC)