From: Ray Andrews <rayandrews@eastlink.ca>
To: zsh-users@zsh.org
Subject: Re: arithmetic anomaly
Date: Thu, 25 Mar 2021 17:37:49 -0700 [thread overview]
Message-ID: <cb16b987-9521-e2b7-3bbc-8b71677b913c@eastlink.ca> (raw)
In-Reply-To: <91303-1616717760.288585@Iyj2.F9RA.VD0P>
On 2021-03-25 5:16 p.m., Oliver Kiddle wrote:
> Ray Andrews wrote:
>> printf "%.0f / %.0f \n" "$(( numerator ))" "$(( denominator ))"
> Where you use %f, %d etc. the printf parameters are evaluated in math
> context so there's no need to convert via ASCII decimal representation
> with "$(( … ))". You can just do:
>
> printf "%.0f / %.0f \n" numerator denominator
Thanks. Actually I just figured that out myself.
> e of the shell rather than floats
> but floats are what we have.
But why do we let them spew out garbage? Just now I experimented with "
%d " as the output specifier and it very politely goes obviously wrong
at level 16 so you know it's reached the end of its rope, but the floats
just keep on floating way into nonsense. Very unhygienic.
next prev parent reply other threads:[~2021-03-26 0:38 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-25 15:52 Ray Andrews
2021-03-25 20:40 ` Lawrence Velázquez
2021-03-25 22:44 ` Ray Andrews
2021-03-25 22:54 ` Roman Perepelitsa
2021-03-25 23:57 ` Ray Andrews
2021-03-26 0:16 ` Oliver Kiddle
2021-03-26 0:37 ` Ray Andrews [this message]
2021-03-26 10:35 ` Roman Perepelitsa
2021-03-26 14:36 ` Ray Andrews
2021-03-26 14:49 ` Roman Perepelitsa
2021-03-26 15:35 ` Ray Andrews
2021-03-26 17:09 ` Lawrence Velázquez
2021-03-26 21:45 ` Ray Andrews
2021-03-26 21:59 ` Lawrence Velázquez
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