From g@bembecker @end|ng |rom gm@||@com  Mon Jan 21 21:09:26 2019
From: g@bembecker @end|ng |rom gm@||@com (Gabriel Becker)
Date: Mon, 21 Jan 2019 12:09:26 -0800
Subject: [Rd] pmax and long vector
In-Reply-To: <bdf4f62a-d065-172e-c02f-4b499c1bd8c5@gmail.com>
References: <CAC2h7utLs6nitW+LpAAS0X6bVw+HZQn5LJ36_n+ARXeeW5bUUg@mail.gmail.com>
 <bdf4f62a-d065-172e-c02f-4b499c1bd8c5@gmail.com>
Message-ID: <CAD4oTHHDFBX-R++jpuk8=nAkkRnwVmDnYUzxJxrGWUEBj18W7Q@mail.gmail.com>

Kasper,

If you're not interested or dont have time to create said patch yourself
let me know and i can do it.

Best,
~G

On Mon, Jan 21, 2019, 11:36 AM Duncan Murdoch <murdoch.duncan at gmail.com
wrote:

> On 21/01/2019 12:35 p.m., Kasper Daniel Hansen wrote:
> > I see that base::pmax() does not support long vectors.
> >
> > Is R-devel interested in reports like this; ie. is there a goal of full
> > support for long vectors in "basic" functions, something I at least would
> > greatly appreciate?
> >
> > MRE:
> >
> >> pmax(rep(1L, 3*10^9), 0)
> >
> > Error in pmax(rep(1L, 3 * 10^9), 0) :
> >    long vectors not supported yet:
> > ../../../R-devel-src/src/include/Rinlinedfuns.h:522
>
>
> I think a carefully tested patch that fixes pmax (it would need to
> change this call from length() to xlength(), and make some other
> necessary changes that follow from this), would probably be useful to R
> Core, and could be posted to bugs.r-project.org.
>
> It might also be useful on R-devel to post a list of all known commonly
> used functions that don't support long vectors; this could be updated on
> a regular basis.  This might encourage people to produce patches as above.
>
> I'm not so sure a report about a single function won't just get lost.
>
> Duncan Murdoch
>
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>

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[Rd] pmax and long vector
Gabriel Becker