Subject: Floating point
From: "Waldek Hebisch" <hebisch@math.uni.wroc.pl>
Date: 8/31/20 7:58 pm
To: "gpc@gnu.de" <gpc@gnu.de>

On Mon, Aug 31, 2020 at 01:07:42PM -0700, scott andrew franco wrote:
> samiam@samiam-home-pc:~/projects/pascal/pascal-p5$ cat test.pas
> program test(output);
> var b,c: real;
> begin
> b := maxint;
> c := 10.0;
> b := b+c;
> writeln(b:40:1);
> writeln(maxint:38);
> end.
> samiam@samiam-home-pc:~/projects/pascal/pascal-p5$ gpc -o test test.pas
> samiam@samiam-home-pc:~/projects/pascal/pascal-p5$ ./test
> 9223372036854775808.0
> 9223372036854775807

Note that floating point results are approximate and on
64-bit machines real accuracy is lower than integer
accuracy.

--
Waldek Hebisch

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