🚀 go-pugleaf

RetroBBS NetNews Server

Inspired by RockSolid Light RIP Retro Guy

Article View: comp.lang.misc
Article #630

Re: Fast conversions, another urban myth?

#630
From: Henry Spencer
Date: Fri, 22 Sep 1989 20:19
17 lines
1401 bytes
In article <136@bbxsda.UUCP> scott@bbxsda.UUCP (Scott Amspoker) writes:
>...do everything in C and require decimal arithmetic because of the
>business nature of our applications.  It is a constant disappointment
>when the scientific-oriented hardware industry forgets that some of
>us need to have 100 pennies == 1 dollar.  Interest calculations
>carried out to 3 or 4 decimal places need to round correctly.
>Converting to binary and back to decimal is not the answer...

Can you explain why binary integer arithmetic is less accurate than
decimal integer arithmetic for your applications?  Sounds like you're
confusing the decimal/binary choice with the integer/floating-point
choice; the two are orthogonal and independent.  (Yes, there are
decimal floating-point boxes in the world, e.g. in your pocket
calculator.)
-- 
"Where is D.D. Harriman now,   |     Henry Spencer at U of Toronto Zoology
when we really *need* him?"    | uunet!attcan!utzoo!henry henry@zoo.toronto.edu
Technical Details
Message-ID: <1989Sep22.201906.10618@utzoo.uucp>
Path: arc1-ca.pugleaf.net!utzoo!henry
References: <832@dms.UUCP> <688@UALTAVM.BITNET> <9dAz02zs58y201@amdahl.uts.amdahl.com> <27935@winchester.mips.COM> <136@bbxsda.UUCP>

Show Full Headers
Complete Article Headers
Newsgroups: comp.lang.misc,comp.arch
Path: arc1-ca.pugleaf.net!utzoo!henry
From: henry@utzoo.uucp (Henry Spencer)
Subject: Re: Fast conversions, another urban myth?
Message-ID: <1989Sep22.201906.10618@utzoo.uucp>
Organization: U of Toronto Zoology
References: <832@dms.UUCP> <688@UALTAVM.BITNET> <9dAz02zs58y201@amdahl.uts.amdahl.com> <27935@winchester.mips.COM> <136@bbxsda.UUCP>
Date: Fri, 22 Sep 89 20:19:06 GMT