@Louis
I must admit that I had forgotten about (or even
never heard of) Brahmagupta's formula for the area of a cyclic quadrilateral.
Treating Heron's formula as a special case of the
former makes indeed an elegant solution.
Thanks for pointing that out.
-M
At 2018-09-05 01:25, you wrote:
Yes, although I thought the non-f. version showed s happened to be
"saved" on this occasion...
Mike
On 07/09/2018 15:17, Raul Miller wrote:
You can always find cases which optimizing compilers don't deal with
(because there's infinities of those).
That said, in this case, I think it's worth
@Martin
At 2018-09-04 20:34, you wrote:
What *does* matter is that using such auxiliary functions is *good*.
Eugene McDonnell was a great teacher demonstrating elegant, readable
code composed out of useful little parts.
Thanks for the reminder and encouragement -- I now remember having
had p
You can always find cases which optimizing compilers don't deal with
(because there's infinities of those).
That said, in this case, I think it's worth looking at the result of herona f.
Thanks,
--
Raul
On Fri, Sep 7, 2018 at 5:43 AM 'Mike Day' via Programming
wrote:
>
> Fair enough, it look
@Michael
Thanks -- yes, I do ...
(And coincidentally, it's along the same lines as
Mike day's 2nd suggestion a day later.)
-M
At 2018-09-04 14:06, you wrote:
Did you mean something like this?
f=: -:@(+/) %:@([* */@:-) ]
f 3 4 5
On Tue, Sep 4, 2018, 10:01 AM Raul Miller, wrote:
>
Fair enough, it looks neat, but doesn't deal with Martin Kreuzer's
original requirement to apply
s just the once, ie how should we handle the intermediate result, s?
On the other hand, David Lambert and others propose variations on how to
factor the formula so
as to use the result of s.
It'
It keeps getting simpler:
s=: 13 :'-:+/y'
heron=: 13 :'%:*/(s y),(s y)-y'
heron 3 4 5
heron 4 5 6
d
;:'[: -: +/'
heron
;:'[: %: [: */ s , s - ]'
Explisit sentences are like English and the new language is the computers J
anguage. First learn the words and then learn to read ghe ords in s
