Also, "mod" seems too strict about numbers it accepts (only
integers!):
user=> (rem 1 2/3)
1/3
user=> (mod 1 2/3)
java.lang.IllegalArgumentException: mod requires two integers
(NO_SOURCE_FILE:0)
user=> (rem 4.5 2.0)
0.5
user=> (mod 4.5 2.0)
java.lang.IllegalArgumentException: mod requires two integers
(NO_SOURCE_FILE:0)
Frantisek
On Feb 10, 10:30 pm, Chouser <chou...@gmail.com> wrote:
> Is 'mod' working correctly?
>
> user=> (map #(mod % 3) (range -9 9))
> (3 1 2 3 1 2 3 1 2 0 1 2 0 1 2 0 1 2)
>
> It disagrees with, for example, Ruby:
>
> irb(main):002:0> (-9..9).map{|x| x % 3}
> => [0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0]
>
> And python:
>
> >>> map( lambda x: x % 3, range(-9,9) )
>
> [0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2]
>
> --Chouser
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