Date: Mon, 20 Mar 1995 22:07:47 -0800 (PST) From: Poul-Henning Kamp <phk@ref.tfs.com> To: pst@shockwave.com (Paul Traina) Cc: bde@zeta.org.au, rgrimes@gndrsh.aac.dev.com, CVS-commiters@time.cdrom.com, cvs-etc@time.cdrom.com, jkh@freebsd.org Subject: Re: cvs commit: src/etc make.conf Message-ID: <199503210607.WAA29657@ref.tfs.com> In-Reply-To: <199503210603.WAA06714@precipice.Shockwave.COM> from "Paul Traina" at Mar 20, 95 10:03:31 pm
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> The extra test on every operation is bad.
true...
> Xonsider the following fragment or high-speed linkages with shared libraries
> instead (I don't know how fast or slow shared linkages are):
>
> static vec_pow = pow_init;
>
> pow (base, exp)
> {
> return (*vec_pow)(base, exp);
> }
>
> pow_init (base, exp)
> {
> vec_pow = _have_i387 ? _i387_pow(base, exp)
> : __ieee754_pow(base,exp);
>
> return (*vec_pow)(base, exp);
> }
nice!
--
Poul-Henning Kamp <phk@login.dknet.dk> -- TRW Financial Systems, Inc.
'All relevant people are pertinent' && 'All rude people are impertinent'
=> 'no rude people are relevant'
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