At 06:10 PM 8/4/2001 +0200, Jeroen van Wolffelaar wrote:
> > At 01:53 AM 8/4/2001 +0200, Jeroen van Wolffelaar wrote:
> > > > log(a) / log(n) is not that much harder, and its the right way, imho.
> > >
> > >Yes, you're right that it is the right way. But for example,
> > >for tan(x), the "right way" is sin(x)/cos(x).
> >
> > >(Not such a good example, but anyway)
> >
> > As you said :-) as an anal note, tan(x) is the correct notation, just as
> > logarithms are also a wrapper type in themselves, log is also the
>"correct"
> > notation.
>
>What is 'correct' here, mathematically correct, or something else?
>Mathematically you're right of course. But in mathematica & co, you'll
>also get a much nicer view on formula's than in PHP...
I mean mathematically
yep... ;-)
> > [snip]
>
> > >However, IMO the log, exp, sinus, etc. functions should be in the core.
> >
> > Yes, I agree, however, expm1 and log1p don't.
>
>I agree. Do you suggest here to hold these two, until some kind of
>advanced-math-extension will be added?
>
>Some other thing, the M_* constants. I always wondered why for example
>M_2_SQRTPI (2/sqrt(PI)) was in PHP. IMO, there are only one or two essential
>constants to be in the core: PI (of course), and (possibly) the
>EULER-constant.
>
>What about adding PI and, possibly, EULER as constant (without the M_), and
>deprecating those M_ constants? Or at least promote them to the
>math-extension?
Yeah, I'd say so... the reason? IMHO, no one was either paying attention
to revert them, or wanted to revert someone else's commit (common problem ;-)
-Sterling
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