spectral/

Contracts for discrete transforms <spectral/concepts.hpp>

transform_plan

Runtime verification of transform properties <spectral/debug.hpp>

spectral::debug::verify_parseval

Discrete sine transforms, built on the complex FFT <spectral/dst.hpp>

spectral::dst1 – spectral::dst2d – spectral::dst_check_size – spectral::dst_cols – spectral::dst_rows

FFT interface with backend dispatch <spectral/fft.hpp>

spectral::default_fft_backend – spectral::fft – spectral::fft_plan – spectral::fft_plan_impl – spectral::fft_simd – spectral::fft_stdsimd – spectral::fftw – spectral::has_fft_simd – spectral::has_fft_stdsimd – spectral::has_fftw – spectral::ifft – spectral::irfft – spectral::rfft – spectral::seq