Re: vecsearch t_MAT

Bill Allombert <[email protected]> Wed, 22 Jan 2025 11:08:57 +0100

Newsgroups	gmane.comp.mathematics.pari.devel
Message-ID	<Z5DDuWE2Y0OzBCVr@seventeen>

On Wed, Jan 22, 2025 at 10:15:12AM +0100, Ruud H.G. van Tol wrote:
> 
> ??vecsearch
> [...]
> ? v = vecsort([3,0,2; 1,0,2]) \\ sort matrix columns according to lex order
>    %1 =
>    [0 2 3]
> 
>    [0 2 1]
>    ? vecsearch(v, [3,1]~)
>    %2 = 3
>    ? vecsearch(v, [3,1])  \\ can search for x or x~
>    %3 = 3
>    ? vecsearch(v, [1,2])
>    %4 = 0 \\ not in the list
> [...]

Hi Ruud!

This was introduced in this commit:

commit 0595acc433bd0d7b1fb080c6d7b0065d9eaf6911
Author: Karim Belabas <[email protected]>
Date:   Sat Jan 27 19:45:45 2024 +0100

    4- vecsearch(t_LIST,) would raise a type error [#2535]

Cheers,
Bill