[DUG] Need help with trunc command delphi 6

[Kyley Harris]

Doubles and extendeds have always had minor rounding issues and other little
things depending on the OS, and Hardware that its running on. The Currency
is a special case which uses whole numbers rather than fractions for
arithmetic. Its supposed to be guaranteed accurate to 4dp and they are not
processed in the same way.

On Wed, Dec 30, 2009 at 9:42 PM, Vikas... <vikas.image at gmail.com> wrote:

> Hi Edward,
>
> I use extended for both.
>
> does it cause problem?
>
>
> On Wed, Dec 30, 2009 at 1:24 PM, Edward Koryagin <ed_iv2001 at yahoo.co.nz>wrote:
>
>> Use currency and everything should be fine.
>>
>> Edward Koryagin
>>
>>
>> --- On Wed, 30/12/09, Edward Koryagin <ed_iv2001 at yahoo.co.nz> wrote:
>>
>> > From: Edward Koryagin <ed_iv2001 at yahoo.co.nz>
>> > Subject: Re: [DUG] Need help with trunc command delphi 6
>> > To: "NZ Borland Developers Group - Delphi List" <delphi at delphi.org.nz>
>> > Received: Wednesday, 30 December, 2009, 8:28 PM
>> > What data types do you use for 4.5
>> > and 0.1?
>> >
>> > Edward Koryagin
>> >
>> >
>> > --- On Wed, 30/12/09, Vikas... <vikas.image at gmail.com>
>> > wrote:
>> >
>> > > From: Vikas... <vikas.image at gmail.com>
>> > > Subject: [DUG] Need help with trunc command delphi 6
>> > > To: delphi at delphi.org.nz
>> > > Received: Wednesday, 30 December, 2009, 8:00 PM
>> > > Hello everyone,
>> > >
>> > > I am facing one strange problem here. We are using a
>> > > banking teller application ,here we do calculation
>> > based on
>> > > denominations in short.
>> > >
>> > > My main problem is when we use this application for
>> > long
>> > > time with out closing it the trunc start giving
>> > incorrect
>> > > value what i mean is
>> > >
>> > >
>> > > quantity := trunc(amount/value).
>> > >
>> > > Sometime when amount = let say 4.5 and value =0.1 it
>> > gives
>> > > like
>> > >
>> > > quantity := trunc(4.5/0.1)=44 which is wrong since my
>> > > client complain it make them lose of 1 dollar amount.
>> > >
>> > >
>> > > However when i close the application and do again all
>> > works
>> > > fine.
>> > >
>> > > Anyone ever faced this problem before  , or anyone
>> > know
>> > > any substitute for trunc which works
>> > > I am using delhi6
>> > >
>> > > Appreciate your help
>> > >
>> > >
>> > > regards
>> > > vik
>> > >
>> > > --
>> > >   vikas
>> > >
>> > >
>> > > -----Inline Attachment Follows-----
>> > >
>> > > _______________________________________________
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>> > > Unsubscribe: send an email to delphi-request at delphi.org.nz
>> > > with Subject: unsubscribe
>> >
>> >
>> >
>> >
>> >
>> > _______________________________________________
>> > NZ Borland Developers Group - Delphi mailing list
>> > Post: delphi at delphi.org.nz
>> > Admin: http://delphi.org.nz/mailman/listinfo/delphi
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>> > with Subject: unsubscribe
>> >
>>
>>
>>
>>
>>
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>>
>
>
>
> --
>  vikas
>
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> NZ Borland Developers Group - Delphi mailing list
> Post: delphi at delphi.org.nz
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-- 
Kyley Harris
Harris Software
+64-21-671-821
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