Re: [Bug-apl] Circle

[Mike Duvos]

Dropped an iota in the prior post.

        X←1D1*⍳360
        +/¯4○X
¯3.814090113E¯8J3.814086508E¯8

That changes the IBM result slightly, but the GNU APL one is still off by a
large amount.



On Sun, Aug 30, 2015 at 9:13 PM, Mike Duvos <m...@wolf359.net> wrote:

>       )CLEAR
> CLEAR WS
>       ⎕IO←0
>       X←1D1*360
>       +/(¯1+X×X)*0.5
> 5.393937829E¯8J¯5.393937829E¯8
>
> [IBM APL2]
>
>       +/¯4○X
> 5.393937829E¯8J¯5.393937829E¯8
>
> [GNU APL]
>
>       +/¯4○X
> 122.0040743J2.828427087
>
> I think this is wrong.
>
>
>