add inverse option to ministat

[Warner Losh]

> On Jul 15, 2015, at 2:30 PM, Poul-Henning Kamp <phk at phk.freebsd.dk> wrote:
> 
> --------
> In message <20150715174139.GJ8523 at funkthat.com>, John-Mark Gurney writes:
> 
>> There are lots of tools the repeat functionality...  and it's only
>> getting worse...  And the amount of code that this adds is strikingly
>> small...
> 
> We do agree that is not a coherent argument, right ?
> 
> I still think it is a step in the wrong direction, and that it should
> therefore not be taken.

I agree that this is a step best not taken. This is ministat, and why are
we optimizing for this one use-case, when there’s dozens of other that
I’ve wished for over the years. What’s next -l for log(x) and -e for exp(x)?

But if reason doesn’t prevail, can we at least name it right? The current name
isn’t quite appropriate. You’re transitioning from time domain to the frequency
domain, and just saying that it’s inverse.

Warner

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