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Bill Allombert on Wed, 27 Dec 2023 17:46:30 +0100
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Re: problems noted when running make bench
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- To: pari-users@pari.math.u-bordeaux.fr
- Subject: Re: problems noted when running make bench
- From: Bill Allombert <Bill.Allombert@math.u-bordeaux.fr>
- Date: Wed, 27 Dec 2023 17:46:13 +0100
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On Wed, Dec 27, 2023 at 10:57:35AM -0500, S wrote:
> On 12/26/23 02:56PM, Bill Allombert wrote:
>
> > > > Maybe you have unexpected environment variables set.
> > > COLUMNS=85
> > This is this one.
> >
> > Try this:
> > make bench COLUMNS=
>
> I am happy to report that this work!
>
> Just out of curiosity: I wonder how would changing the column width leads
> to "bugs" like this in linear-sta.dif?
You quoted only half the diff!
What happens is that the line
[1.0000000000000000000000000000000000000 1.0806046117362794348018732148859532075]
becomes
[ 1.0000000000000000000000000000000000000 1.0806046117362794348018732148859532075]
because it is targeted to 85 characters output instead of 80.
but then the benchmark cut the line to 80 characters, so finally
the two lines in the original benchmark
[1 -1.2833494518006402717978106547571267252 0.283349451800640271797810654757
12672521]
becomes
[ 1 -1.2833494518006402717978106547571267252 0.2833494518006402717978106547
5712672521]
In any case, I have fixed src/test/dotest to unset COLUMNS to avoid this issue.
Cheers,
Bill.