[metapost] metapost Digest, Vol 159, Issue 1

[Toby Thurston]

what is the definition of the roundd function?  it is not part of plain.mp, so I guess it is defined in format.mp that you are importing.  Looks like you will need to update it to work properly with the new number systems..

On Wed, 29 Jan 2020, at 11:00, metapost-request at tug.org wrote:
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>    1. roundd function (Walt Burkhard)
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> Message: 1
> Date: Tue, 28 Jan 2020 22:38:28 -0800
> From: Walt Burkhard <burkhard at cs.ucsd.edu>
> To: Metapost List <metapost at tug.org>
> Subject: [metapost] roundd function
> Message-ID:
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> 
> Hello,
> I have occasion to use roundd with the numbersystem=double,
> unfortunately this seems to not work correctly.   All seems to be
> okay in the default number system!
> 
> I have attached the test program  and show its output here.
> 
> default number system:
> 123.5679
> 123.5679
> double number system
> 123.56789999999999
> 123.56789999999999
> 
> Is there any (easy) fix for this behavior?/
> 
> Many thanks in advance.
> 
> Walt Burkhard
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-- 
  Toby Thurston
  thurston at eml.cc