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From: howard@cpocd2.UUCP
Newsgroups: comp.arch
Subject: Re: String Processing Instruction
Message-ID: <540@cpocd2.UUCP>
Date: Mon, 30-Mar-87 11:50:58 EST
Article-I.D.: cpocd2.540
Posted: Mon Mar 30 11:50:58 1987
Date-Received: Thu, 2-Apr-87 03:07:41 EST
References: <15292@amdcad.UUCP> <978@ames.UUCP> <909@spar.SPAR.SLB.COM> <230@winchester.mips.UUCP> <948@spar.SPAR.SLB.COM> <237@winchester.m30 Mar 87 16:50:58 GMT
Reply-To: howard@cpocd2.UUCP (Howard A. Landman)
Distribution: na
Organization: Intel Corp. ASIC Services Organization, Chandler AZ
Lines: 15

In article <948@spar.SPAR.SLB.COM> freeman@spar.UUCP (Jay Freeman) writes:
>How about special floating-point instructions to support "cortic" (have I
>got that spelled right?)  algorithms for transcendental functions?

In article <237@winchester.mips.UUCP> mash@winchester.UUCP (John Mashey) writes:
>I think it's "quartic", ...

No, it's "Cordic", and is usable for FFT as well.  One reason people are
interested in it is that it maps well into silicon, so custom Cordic chips
may be practical for some applications.
-- 

Copyright (c) 1987 Howard A. Landman.  Transmission of this material
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