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Re: [bug-gawk] Bug? - print int(100*32.98)
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From: |
arnold |
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Subject: |
Re: [bug-gawk] Bug? - print int(100*32.98) |
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Date: |
Mon, 03 Jun 2019 07:09:09 -0600 |
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User-agent: |
Heirloom mailx 12.5 7/5/10 |
Hi.
Thanks for your note.
Robert Brandtner <address@hidden> wrote:
> Hello,
>
> Is the following result a bug or a feature?
>
> gawk 'BEGIN{print int(100*32.98)}'
> => 3297
>
> Kind regards
> Robert Brandtner
It's just the way things are. Gawk uses floating point math. 100 * 32.98
isn't quite 3298:
$ gawk 'BEGIN{printf("%.17g\n", 100*32.98)}'
3297.9999999999995
When that result is handed to int(), it gets rounded down to 3297.
HTH,
Arnold