MACRO ports selected oscillators and tables from Mutable Instruments Braids,
https://github.com/pichenettes/eurorack, revision
08460a69a7e1f7a81c5a2abcc7189c9a6b7208d4:

- firmware/src/macro_dsp.c: digital_oscillator.cc (RenderWaveLine, RenderFeedbackFm),
  analog_oscillator.cc (RenderSineFold, RenderTriangleFold) and
  macro_oscillator.cc (RenderSineTriangle); interpolation follows stmlib.
- assets/braids/macro.json and generated felucca_macro.h: selected resources.cc tables.

Adapted to integer C and Felucca's 44.1 kHz tuning, 2026. These ported parts keep
their MIT licence; the combined firmware is GPL-3.0-only (LICENSE).

Copyright 2012 Emilie Gillet.

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