A FFT library in C, emitted by a Ocaml DAG FFT compiler. Supports both interleaved and split layouts, In-place & out-of-place C2C/R2C/C2R, 2D, and DCT/DST/DHT, with a calibrated wisdom planner. Beats Intel MKL on C2C and on multithreaded real/2D transforms. Pure C, zero dependencies.
simd fft cooley-tukey-fft bluestein fourier-transform fft-library cooley-tukey mixed-radix dag-optimization
-
Updated
Aug 31, 2026 - C