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#1 (**permalink**) 01-05-2008, 10:59 AM

Hi all,

can some body suggest functions to emulate HP-3000 decimal packed
operations on AIX? Any open source /AIX library functions available to
achieve similar results?? what I mean to say is,
some thing similar to these functions on HP-UX,

http://docs.hp.com/en/B2355-60105/hppac.3X.html

Thanks in advance,
Sree

#2 (**permalink**) 01-05-2008, 10:59 AM

Sree wrote:
> Hi all,
>
> can some body suggest functions to emulate HP-3000 decimal packed
> operations on AIX? Any open source /AIX library functions available to
> achieve similar results?? what I mean to say is,
> some thing similar to these functions on HP-UX,
>
> http://docs.hp.com/en/B2355-60105/hppac.3X.html
>
> Thanks in advance,
> Sree

I think you are better off writing the two conversion functions
and doing all of the arithmetic in longs or doubles. I thought this
debate ended around 1975. Are there still people worrying
whether decimal arithmetic is "more accurate"?

-- S

#3 (**permalink**) 01-05-2008, 10:59 AM

smallpond@juno.com schrieb:

> Sree wrote:
> > Hi all,
> >
> > can some body suggest functions to emulate HP-3000 decimal packed
> > operations on AIX? Any open source /AIX library functions available to
> > achieve similar results?? what I mean to say is,
> > some thing similar to these functions on HP-UX,
> >
> > http://docs.hp.com/en/B2355-60105/hppac.3X.html
> >
> > Thanks in advance,
> > Sree
>
> I think you are better off writing the two conversion functions
> and doing all of the arithmetic in longs or doubles. I thought this
> debate ended around 1975. Are there still people worrying
> whether decimal arithmetic is "more accurate"?
>
> -- S

BTW... POWER6 will have decimal arithmetic built into the processor
cores in order to speed up typical commercial operations.

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packed decimal !!