GNU bug report logs - #15140
number->string doesn't accept the optional precision argument

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From: Andy Wingo <wingo <at> pobox.com>
To: Göran Weinholt <goran <at> weinholt.se>
Cc: 15140 <at> debbugs.gnu.org
Subject: bug#15140: number->string doesn't accept the optional precision argument
Date: Tue, 21 Jun 2016 11:34:56 +0200

Hi :)

Ignorant question: what is the precision argument good for?  FWIW
Guile's inexact reals are all 64-bit doubles.

Just curious :)

Andy

On Tue 20 Aug 2013 14:05, Göran Weinholt <goran <at> weinholt.se> writes:

> Hello schemers,
>
> the number->string procedure from (rnrs) should accept the optional
> precision argument, but does not:
>
> scheme@(guile-user)> (import (rnrs))
> scheme@(guile-user)> (number->string 1.1 10 53)
> ;;; <stdin>:2:0: warning: possibly wrong number of arguments to `number->string'
> ERROR: In procedure number->string:
> ERROR: Wrong number of arguments to #<procedure number->string (_ #:optional _)>
>
> The example should return "1.1|53".
>
> Tested with GNU Guile 2.0.9.71-8d5d04.

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