[Oberon] Modulus on negative number

[Peter Matthias]

Am 15.02.2017 um 04:21 schrieb Srinivas Nayak:
> Dear All,
>
> Recently I come across modulus on a negative number.
> Will it produce a negative number or positive?
> Someone says both are correct! http://stackoverflow.com/a/4403556
> Which one is mathematically correct?
> Surprisingly different languages calculate it differently even!
> What is Oberon's way?

The theory was already answered. In practice, all compiler 
implementations I used (native X86, Shark, MIPS), give wrong result when 
both, divident and divisor are negative. I fixed it just yesterday for 
all non x86 versions.

Regards,
	Peter