Re: [Maxima-discuss] +-Inf and NaN

[Camm Maguire]

Greetings!

Stavros Macrakis <macrakis@gmail.com> writes:

> On Fri, Feb 23, 2024 at 12:20 PM Henry Baker <hbaker1@pipeline.com> wrote:
>
> Extending data types with an NA value is pretty standard and useful,
> and not just for floats.
>
> One of these days (ha ha), we'll even get Maxima to realize that
> INF-INF does not equal 0,
>

COMPILER>(- +inf +inf)

#<-nan>

(in partial answer to my previous query on how to get a nan from non-nan
inputs....)

>
> and that not all INFs are equal.
>

Are you referring to short/long issues, or +/-?  I think this is
correct:

COMPILER>(eql (exp  100000) (exp  100000))

T

COMPILER>(= (exp  100000) (exp  100000))

T


Take care,
-- 
Camm Maguire                                        camm@maguirefamily.org
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