From: Marko Vojinovic <vvmarko@gmail.com>
To: help-gnu-emacs@gnu.org
Subject: Re: 1.75 -> 1-3/4
Date: Tue, 5 Jun 2018 17:25:26 +0200 [thread overview]
Message-ID: <20180605172526.78adefab@Yoda> (raw)
In-Reply-To: <86lgbt4cb6.fsf@zoho.com>
On Tue, 05 Jun 2018 15:01:33 +0200
Emanuel Berg <moasen@zoho.com> wrote:
> ths () {
> local value=$1
> local denom=${2:-16}
> local whole=$(( int(floor($value)) ))
> local rest=$(( $value - $whole ))
> local frac=$(( int(rint($rest * $denom)) ))
> if (( $frac > 0 && $(( $frac % 2 )) == 0 )); then
> local new_denom=$(( denom / 2 ))
> ths $value $new_denom
> else
> local frace
> (( $frac > 0 )) && frace=-${frac}/${denom}
Umm, not to be a nitpick, but how about you change the minus in the
above line into a plus?
I mean, 1.75 is equal to 1+3/4, rather than 1-3/4 (the latter
obviously being equal to 0.25). I kind-of assume you know what you are
doing, but still, other people may get confused.
> echo ${whole}${frace}
> fi
> }
> # $ ths 2.0
> # 2
> # $ ths 1.75
> # 1-3/4
>
HTH, :-)
Marko
next prev parent reply other threads:[~2018-06-05 15:25 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-05 13:01 1.75 -> 1-3/4 Emanuel Berg
2018-06-05 13:18 ` Teemu Likonen
2018-06-05 13:39 ` tomas
2018-06-05 13:49 ` tomas
2018-06-05 14:12 ` Teemu Likonen
[not found] ` <mailman.1205.1528205966.1292.help-gnu-emacs@gnu.org>
2018-06-05 15:30 ` Emanuel Berg
2018-06-05 17:00 ` tomas
[not found] ` <mailman.1245.1528218012.1292.help-gnu-emacs@gnu.org>
2018-06-05 18:08 ` Emanuel Berg
2018-06-05 15:25 ` Marko Vojinovic [this message]
[not found] ` <mailman.1238.1528215089.1292.help-gnu-emacs@gnu.org>
2018-06-05 18:06 ` Emanuel Berg
[not found] ` <mailman.1199.1528204714.1292.help-gnu-emacs@gnu.org>
2018-06-05 18:54 ` Emanuel Berg
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