I've needed to detect a frequency of an audio signal a couple of times in my life, but I cannot for the love of me remember what does the FFT output actually mean. So I took this knowledge out of my latest project and packed it up in this crate.

Also this is my first potentially useful published crate, so if I missed anything, please let me know!

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[–] BB_C@programming.dev 11 points 4 months ago (5 children)

    /// # Panics
    ///
    /// - if `samples.len()` does not match the `sample_count` passed to [Self::new]
    /// - if there are `NaN`s in the sample slice

Since this is library code, why not make the function return a Result?

[–] Traister101@lemmy.today 7 points 4 months ago (1 children)

Yup, libraries should usually let the consumer chose what to do with an error, not crash the program without a choice in the matter. The only real exception is performance critical low level code such as the core of a graphics or audio driver. Though in those cases crashing also often isn't an option, you just power through and hope things aren't too screwed up.

[–] fil@programming.dev 2 points 4 months ago

Thanks for the tip! Updated

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