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Re: rem and mod
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From: |
José Luis García Pallero |
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Subject: |
Re: rem and mod |
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Date: |
Thu, 26 Jun 2014 15:21:28 +0200 |
2014-06-26 12:45 GMT+02:00 Paul Soderlind <address@hidden>:
> Hi all,
>
> rem(0.94,0.01) gives the answer 0.01 (in 3.8.1-4 from mxeoctave.osuv.de, but
> also in other windows binaries), but I had expected to get 0. mod is
> similar.
>
> The reason seems to be related to that fix(0.94/0.01) = 93, since 0.94/0.01
> - 94 is evaluated to be -1.4211e-14. Clearly, floating point precision
> playing tricks. rem(94,1) does the right thing
>
> Is this to be expected? (...matlab gives 0 and Octave''s ) Would be good to
> know. Thanks
Octave 3.8.1 compiled by myself in Debian also gives the incorrect 0.01 answer
>
> Paul Söderlind
>
>
>
> --
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> Sent from the Octave - General mailing list archive at Nabble.com.
>
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José Luis García Pallero
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