[PD-dev] [pure-data:bugs] #1235 cos~ corrupt waveform with large inputs

[Alexandre Torres Porres]

for negative values is different

-8192 is half cycle

2016-03-20 13:51 GMT-03:00 Claude Heiland-Allen <
claudiusmaximus at users.sf.net>:

> ------------------------------
>
> * [bugs:#1235] <https://sourceforge.net/p/pure-data/bugs/1235/> cos~
> corrupt waveform with large inputs*
>
> *Status:* open
> *Group:* v0.46
> *Created:* Sun Mar 20, 2016 04:51 PM UTC by Claude Heiland-Allen
> *Last Updated:* Sun Mar 20, 2016 04:51 PM UTC
> *Owner:* nobody
> *Attachments:*
>
>    - cos~-large-input-bug.pd
>    <https://sourceforge.net/p/pure-data/bugs/1235/attachment/cos%7E-large-input-bug.pd>
>    (806 Bytes; text/x-puredata)
>
> If the input to [cos~] is greater than 1024, the waveform gets corrupt
> (first only half a cycle of a cosine waveform instead of a full cycle, then
> with higher inputs even less of the waveform). See attached patch which
> demonstrates the issue.
>
> Tested with self-compiled Pd-0.45.5 on Linux (amd64).
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