Re: display bug, was: Maxima rtestint failures with GCL 2.6.14

On 4/9/24 10:40, Robert Dodier wrote:

> 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.

Oh. This appears to be intentional. See the |%edisplflag|. (I found this 
by grepping nforma.lisp for |%e|.)

I think I like |%e^-1| better than |1/%e|. I think this matches what 
most people would write in texts.

> Robert
>
​

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