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Canonical reference implementation of the Discrete Fourier Transform (DFT) and Fast Fourier Transform (FFT). First-principles derivations, Fortran + C++ backends, layered test pyramid, cross-backend bit-identity. Sibling to lege-artis/jwst-l2-coupled-dynamics + kh-sim. Apache 2.0 + CC-BY-SA-4.0.

  • Updated Jun 8, 2026
  • JavaScript

Canonical reference implementation of two-rigid-body gravitationally-coupled dynamics, anchored on a JWST-like primary and probe-like secondary. Python + Fortran backends, first-principles canonical-tier docs (Ch 00..06), cross-validated against Python oracle at Higham §4.2 Option G tolerance. Sibling to lege-artis/fourier.

  • Updated Jun 1, 2026
  • Fortran

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