[fpc-pascal] FPC GO32 2.6.2 wrong result from SecondsBetween

[Tomas Hajny]

On Tue, September 17, 2013 20:51, Lubomír Čabla wrote:
> Yes, I know, you are right, so far I've used DOS utility GetDate/GetTime
> without any errors.
>
> I wanted to update the old compiler 1.x to the new version, but it seems
> will stay with the old version.

There should be no problem to continue using GetDate/GetTime with current
FPC version.

Tomas



>
> On Tue, Sep 17, 2013 at 8:31 PM, Tomas Hajny <XHajT03 at hajny.biz> wrote:
>
>> On Tue, September 17, 2013 20:22, Lubomír Čabla wrote:
>> > It may be, but I tried to use EncodeDateTime with the same result:
>> >
>> > DT1:=EncodeDateTime(2013,5,28,15,26,1,0);
>> > DT2:=EncodeDateTime(2013,5,28,15,27,1,0);
>> >
>> > Function EncodeDateTime calls TryEncodeDateTime that uses
>> TryEncodeDate
>> > and
>> > TryEncodeTime.
>> >
>> > This is only a test, I want to be sure that after comparing the two
>> values
>> > get the correct time difference and 59 seconds is not correct.
>>
>> As a principle, you can never avoid such errors if using floating point
>> numbers. If you need absolutely precise results, use integers.
>>
>> Tomas