Bump healpy from 1.19.0 to 1.20.0

[dependabot]

Bumps healpy from 1.19.0 to 1.20.0.

Release notes

Sourced from healpy's releases.

1.20.0

What's new in 1.20.0

• Fixed test_rotate_alm2: the a_lm initialization now includes the m == ell diagonal, matching the Fortran reference (the test previously compared the reference to itself) healpy/healpy#1118
• Performance: Optimized almxfl for better cache locality by swapping the loop order (m outer, l inner), giving a ~2-3x speedup for large datasets healpy/healpy#964
• Docs: comprehensive documentation fixes — consistent HEALPix/healpy capitalization, corrected default values, missing parameter docs, broken RST formatting, dead Google Code URLs replaced with GitHub, typos, and grammar healpy/healpy#1113
• CI: Added test workflow (.github/workflows/tests.yml) running the full test suite on Python 3.10–3.13 with ccache, plus an astropy pre-release job healpy/healpy#1109
• Fix off-by-one in synalm Cℓ boundary check that caused out-of-bounds reads when l == len(cl) healpy/healpy#1108
• Fix scalar boolean array indexing in projector.py projection functions (mollview, gnomview, azeqview) that caused corrupted masked output and "must not happen" assertion errors with NumPy 2.2.x + Python 3.14 healpy/healpy#1112
• BREAKING: Bump minimum NumPy version to 2.0.0 and compile extensions against the NumPy 2.0 ABI. The last stable release supporting NumPy 1.x is 1.19.0. healpy/healpy#1106

Also includes everything from the 1.20.0b1 beta: harmonic_ud_grade, return_ranges for queries, manylinux_2_28 wheels, uv editable install fix, and mollview/projview colormap fixes.

1.20.0b1

See CHANGELOG.rst

Changelog

Sourced from healpy's changelog.

Unreleased |

Release 1.20.0 22 Jul 2026

• Fixed test_rotate_alm2: the a_lm initialization now includes the m == ell diagonal, matching the Fortran reference (the test previously compared the reference to itself) healpy/healpy#1118
• Performance: Optimized almxfl for better cache locality by swapping the loop order (m outer, l inner), giving a ~2-3x speedup for large datasets healpy/healpy#964
• Docs: comprehensive documentation fixes — consistent HEALPix/healpy capitalization, corrected default values, missing parameter docs, broken RST formatting, dead Google Code URLs replaced with GitHub, typos, and grammar healpy/healpy#1113
• CI: Added test workflow (.github/workflows/tests.yml) running the full test suite on Python 3.10–3.13 with ccache, plus an astropy pre-release job healpy/healpy#1109
• Fix off-by-one in synalm Cℓ boundary check that caused out-of-bounds reads when l == len(cl) healpy/healpy#1108
• Fix scalar boolean array indexing in projector.py projection functions (mollview, gnomview, azeqview) that caused corrupted masked output and "must not happen" assertion errors with NumPy 2.2.x + Python 3.14 healpy/healpy#1112
• BREAKING: Bump minimum NumPy version to 2.0.0 and compile extensions against the NumPy 2.0 ABI. The last stable release supporting NumPy 1.x is 1.19.0. healpy/healpy#1106

Release 1.20.0b1 29 May 2026

• Added harmonic_ud_grade to change map NSIDE via spherical-harmonic transforms, providing an artifact-resistant alternative to pixel-space ud_grade for diffuse signals. The new API supports pixel-window and beam transfer corrections, direct :math:a_{\\ell m} input, API cross-links from ud_grade, and a tutorial notebook comparing downgrade workflows healpy/healpy#1081
• Added return_ranges parameter to query_disc, query_polygon, and query_strip functions to return pixel ranges instead of individual pixel indices, reducing memory usage from O(N) to O(√N) for large queries healpy/healpy#1077
• CI: build Linux wheels with manylinux_2_28 for x86_64/aarch64 to avoid SciPy source builds failing on missing OpenBLAS healpy/healpy#1075
• Docs: clarify pkg-config fallback guidance and remove pykg-config reference healpy/healpy#1074
• Fix uv pip install -e . editable builds by recomputing pkg-config environment paths in setup.py, and add CI coverage for the uv editable install path healpy/healpy#1085
• Fix mollview/projview handling of matplotlib colormap objects so badcolor and bgcolor are applied consistently, and ensure projview masks UNSEEN pixels correctly healpy/healpy#1084

Release 1.19.0 1 Dec 2025

• Fixed Lambert projection displaying lower half of sky incorrectly in projview healpy/healpy#869
• Pin Sphinx < 9 for docs to avoid numpydoc autodoc crashes on Read the Docs healpy/healpy#1067
• Fixed DPI and font size issues in visufunc and newvisufunc: replaced hard-coded font sizes with relative values ('large', 'medium') that scale with DPI, and added DPI parameter support to projview function healpy/healpy#1058
• BREAKING: Fixed blm_gauss() to use l(l+1) formula consistent with gauss_beam() and Challinor et al. 2000 (astro-ph/0008228). Previously used l² formula from LevelS Beam package. This affects the computed spherical harmonic coefficients for Gaussian beams.
• Fixed projscatter, projplot, and projtext to only draw on current axes instead of all subplots healpy/healpy#637
• Added half-sky plotting support for Lambert projection via latra parameter in projview healpy/healpy#1048
• added support for automatically adjusting latitudes within [-90, 90] range in ang2pix healpy/healpy#1026
• Implemented NESTED support in query_strip healpy/healpy#1025
• Declare support for Python 3.14 in packaging and wheels
• Add support for arbitrary columns and extra_header to write_cl healpy/healpy#1038
• Allow ignoring small mask holes in dist2holes via pixel- and area-based thresholds healpy/healpy#1008
• pixwin now loads pixel window functions from a local datapath or downloads and caches them using astropy, similar to pixel weights. Added tests for both local and remote data access. healpy/healpy#1005
• Updated CFITSIO to 4.6.3 healpy/healpy#1042
• Fix TypeError in alm2map and alm2map_der1 when using complex64 input arrays healpy/healpy#827
• CI: use Matplotlib's bundled freetype when testing Linux wheels so musllinux Python 3.14 jobs no longer need external downloads healpy/healpy#1061

Release 1.18.1 26 Mar 2025

• Updated CFITSIO to 4.6.2 healpy/healpy#1000
• Fix for map2alm_lsq shape error with Scipy 1.15 healpy/healpy#991
• Fix overflow for map2alm_lsq with Nside 8192 healpy/healpy#976
• Improvements to projview healpy/healpy#984

Release 1.18.0 2 Nov 2024

• Update C++ sources to 3.83 healpy/healpy#973

... (truncated)

Commits

• fc67691 Release 1.20.0 (#1119)
• 85b7a94 Merge pull request #1118 from healpy/fix-rotate-alm-test
• 9217913 Shorten CHANGELOG entry for test_rotate_alm2 fix
• add7139 Fix test_rotate_alm2 to actually compare against Fortran
• 6e4ec6c Trim non-user-visible implementation details from #1106 CHANGELOG entry (#1117)
• 188df8c Bump actions/setup-python from 6 to 7 (#1116)
• 8e80097 Modernize some aspects of Numpy and CPython API usage (#1106)
• b65dadf Optimize almxfl cache locality by inverting loop order (#1076)
• fcee400 fix(tests): make test_pixwin_local_datapath robust to network errors (#1071)
• 73ac6af Merge pull request #1112 from healpy/copilot/fix-hp-mollview-errors-numpy
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