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| From: | Dmitri A. Sergatskov |
| Subject: | [Octave-bug-tracker] [bug #64361] sinc() return NaN on sinc(-1:0.20:1-0.20) expression |
| Date: | Thu, 29 Jun 2023 21:16:58 -0400 (EDT) |
Follow-up Comment #35, bug #64361 (project octave):
[comment #34 comment #34:]
> Does the problem you see go away if you execute
>
> optimize_range (false);
>
> before executing the sinc test code?
>
Yes.
octave:1> optimize_range (false)
octave:2> sinc(-1:0.20:1-0.20)
ans =
3.8982e-17 2.3387e-01 5.0455e-01 7.5683e-01 9.3549e-01 1.0000e+00
9.3549e-01 7.5683e-01 5.0455e-01 2.3387e-01
octave:3> optimize_range (true)
octave:4> sinc(-1:0.20:1-0.20)
ans =
3.8982e-17 2.3387e-01 5.0455e-01 7.5683e-01 9.3549e-01 NaN
9.3549e-01 7.5683e-01 5.0455e-01 2.3387e-01
Dmitri.
--
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