Discrepancy also in exception handling, not only result type (Was: random/3)

[Jan Burse]

Jan Burse schrieb:
> Hi,
>
> Just comparing random/3 across different systems.
>
> GNU Prolog 1.4.2: float arguments give integer result:
>
>      ?- random(0.0,999.0,X).
>      X = 349
>
>
> SWI-Prolog 6.3.6: float arguments give float result:
>
>      ?- random(0.0,999.0,X).
>      X = 741.3122108222138.
>
> Bug or feature.
>
> Bye

Also discrepancy with exception handling:

GNU Prolog 1.4.2

        ?- random(0,0,X).
        no

SWI-Prolog 6.3.6

        ?- random(0,0,X).
        ERROR: random/1: Domain error:
         `not_less_than_one' expected, found `0'

Bye