[DUG] integer or int64

[Jolyon Smith]

I am curious to know what it is you are measuring/counting/whatever that is
almost exhausting a 64-bit int.

(FYI: a GUID is 128-bit, tho you cannot perform arithmetic on/using GUIDs of
course)


-----Original Message-----
From: delphi-bounces at delphi.org.nz [mailto:delphi-bounces at delphi.org.nz] On
Behalf Of John Bird
Sent: Tuesday, 21 September 2010 11:08
To: NZ Borland Developers Group - Delphi List
Subject: [DUG] integer or int64

Quite a few built in Delphi functions accept either integer or int64 as an 
argument, I checked into inttostr for instance, in that case its asm code.

I have quite a few standard number processing routines, and up to now have 
done one version for integer, and another for int64.

Is it feasible to have an argument/parameter to a function that can be 
either (like Delphi does)?

is it possible to test whether such an argument is either integer or int64?

Related - Does anyone know if an int128 is on the cards down the track?  (I 
have some functions that use numbers nearly up to int64 limit - 17 of the 18

digits decimal length)



John 

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