[fpc-devel] Different results of random(int32) and random(int64) for negative limit value

José Mejuto joshyfun at gmail.com
Sat May 20 15:38:48 CEST 2017

El 20/05/2017 a las 14:57, Jonas Maebe escribió:
> On 20/05/17 14:36, Martin Schreiber wrote:
>> Is this intended? If not, which one is correct?
> random(x) is undefined for negative parameters. It should have had an 
> unsigned parameter, like in Turbo Pascal (where it is word). Delphi 
> defines it as always returning a positive value, but I don't know what 
> happens if you pass a negative parameter there.


At least in 3.0 (trunk not tested as I don't have it compiled) the first 
and second random numbers are always the same value, so:


A and B will be always the same value.

Can someone with trunk test it ?


More information about the fpc-devel mailing list