display bug, was: Maxima rtestint failures with GCL 2.6.14

Robert Dodier <[email protected]> Tue, 9 Apr 2024 10:40:17 -0700

Newsgroups	gmane.comp.mathematics.maxima.general,gmane.lisp.gcl.devel
Message-ID	<CAAsY_sSe5cZWjnFWHPizFNZfbbrL+BwWctx0nHefQMCEQ6ebSw@mail.gmail.com>

On Mon, Apr 8, 2024 at 8:36 AM Robert Dodier <[email protected]> wrote:

> Running tests in rtestint:
> ********************** Problem 56 ***************
> Input:
>           cos(x)
> integrate(------, x, minf, inf)
>            2
>           x  + 1
>
>
> Result:
>   - 1    2
> %e    (%e  + 1) %pi
> -------------------
>          2
>
> This differed from the expected result:
>   - 1
> %e    %pi

Incidentally that looks like a display bug, which is shown by all
Lisps; should be displayed as a ratio %pi/%e. Guessing that flags in
the car of %e^-1 are interfering with NFORMAT or DISPLA itself.

Robert

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