On 08.01.2017 12:55, Ryan Joseph wrote:
> 
>> On Jan 8, 2017, at 5:46 PM, Sven Barth <pascaldra...@googlemail.com> wrote:
>>
>>> 2) % is the mod operator in pascal right? So what is the modular assignment 
>>> %=? num = num mod repeat?
>>>
>>> p[x] = permutation[x%256];
>>>
>>> if (repeat > 0) num %= repeat;
>>
>> Correct for both.
> 
> 
> why am I getting this error? Operator is not overloaded: "Double" mod 
> “LongInt”. Mod can’t be used with double and integers like in C?
> 
> repeatValue: integer;
> x, y, z: double;
> 
>       if (repeatValue > 0) then                       
>               begin
>                       x := x mod repeatValue;
>                       y := y mod repeatValue;
>                       z := z mod repeatValue;
>               end;

Ehm, right. Add the Math unit, it contains an operator overload for
floating points. Alternatively you can use (also from the Math unit) the
FMod() function.

Regards,
Sven
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