.gitignore
.pre-commit-config.yaml
CHANGELOG.md
LICENSE
MANIFEST.in
Makefile
README.md
requirements.txt
setup.cfg
setup.py
docs/superpowers/plans/2026-10-18-spectrum-c-core.md
docs/superpowers/specs/2026-10-18-spectrum-c-core-design.md
higher_spectrum.egg-info/PKG-INFO
higher_spectrum.egg-info/SOURCES.txt
higher_spectrum.egg-info/dependency_links.txt
higher_spectrum.egg-info/requires.txt
higher_spectrum.egg-info/top_level.txt
images/bicoherence.png
images/bispectrum_indirect.png
images/bispectrumd.png
images/cross_bicoherence.png
images/cross_bispectrum.png
spectrum/__init__.py
spectrum/_backend.py
spectrum/armafit.py
spectrum/armaqs.py
spectrum/armarts.py
spectrum/armasel.py
spectrum/bicoherence.py
spectrum/bicoherencex.py
spectrum/bispectrumd.py
spectrum/bispectrumdx.py
spectrum/bispectrumi.py
spectrum/cum2est.py
spectrum/cum2x.py
spectrum/cum3est.py
spectrum/cum3x.py
spectrum/cum4est.py
spectrum/cum4x.py
spectrum/cumest.py
spectrum/cumtrue.py
spectrum/doa.py
spectrum/harmgen.py
spectrum/nlgen.py
spectrum/trispec.py
spectrum/trispectrum.py
spectrum/wig.py
spectrum/src/_spectrum_core.c
spectrum/src/common.h
spectrum/src/cumtrue.c
spectrum/src/estimators_bispec.c
spectrum/src/estimators_bispec.h
spectrum/src/estimators_cum.c
spectrum/src/estimators_cum.h
spectrum/src/estimators_ext.c
spectrum/src/estimators_ext.h
spectrum/src/wigner.c
spectrum/src/wigner.h
spectrum/src/fft/fft_iface.c
spectrum/src/fft/fft_iface.h
spectrum/src/fft/kissfft/COPYING
spectrum/src/fft/kissfft/_kiss_fft_guts.h
spectrum/src/fft/kissfft/kiss_fft.c
spectrum/src/fft/kissfft/kiss_fft.h
spectrum/src/fft/kissfft/kiss_fft_log.h
spectrum/tools/__init__.py
spectrum/tools/matlab.py
spectrum/tools/types.py
tests/test_armafit.py
tests/test_armaqs_armarts.py
tests/test_armasel.py
tests/test_backend.py
tests/test_bicoherence.py
tests/test_bicoherencex.py
tests/test_bispectrumd.py
tests/test_bispectrumdx.py
tests/test_bispectrumi.py
tests/test_core_import.py
tests/test_cum2x.py
tests/test_cum3x.py
tests/test_cum4x.py
tests/test_cumest.py
tests/test_cumtrue.py
tests/test_doa.py
tests/test_harmgen.py
tests/test_nlgen.py
tests/test_parity_bispec.py
tests/test_parity_cum.py
tests/test_trispec.py
tests/test_trispectrum.py
tests/test_wig.py
tests/bench/bench_core.py
tests/c/test_fft_iface.c
tests/demo/__init__.py
tests/demo/ma1.mat
tests/demo/nl1.mat
tests/demo/qpc.mat