Sinewave aliasing??

[hisefilo]

Hi guys. Just giving a deep look into HISE sinewave gen.
Almost not perceivable but I get these secondary freqs on a single note. Is this aliasing? How can I get a pure sinewave?

[Christoph Hart]

Yes, this is bugging me for a long time actually. It gets worse with longer notes and I suspect there is a minimal rounding error in the sine function that stacks up over time.

It'll be gone in HISE 3 :)

[hisefilo]

@Christoph-Hart just made the same test on JUCE, same results with a wavetable sine.