feat(cosmo): consolidate sp_validation cosmology theory-curve machinery into cs_util.cosmo#76
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…ry into cs_util.cosmo Move the cosmology theory-curve machinery from sp_validation.cosmology into cs_util.cosmo so cs_util is the single home for the collaboration's cosmology primitives (per a conversation with M. Kilbinger). Additive: no existing cs_util.cosmo symbol changes, so shear_psf_leakage (get_cosmo_default, xipm_theo) is unaffected. Adds: - PLANCK18 fiducial-cosmology dict - get_cosmo: flexible Planck18-default cosmology builder (individual, CCL, CAMB, or CosmoCov parameter formats) - get_theo_c_ell, c_ell_to_xi, get_theo_xi: angular power spectra and shear correlation functions, CCL and CAMB backends - _ccl_to_camb / _camb_to_ccl / _cosmocov_to_ccl parameter converters - tests/test_cosmology.py, ported from sp_validation Caps scipy < 1.18 (mirroring sp_validation): scipy 1.18's FITPACK-to-C port changed a RectBivariateSpline return shape that breaks camb's BBN Y_He predictor in set_cosmology (and pyccl's Boltzmann spline path likewise). With the cap the full cosmo suite passes for real on py3.10 AND py3.12 (numpy 2.5): 31/31. This also removes the numpy>=2.5 xfail on test_xipm_theo -- a stopgap for the same root cause (#70/#71) -- which now passes. Bumps version 0.2.1 -> 0.2.2. No new dependency (camb, pyccl already required). Part of #75; the sp_validation delete + repoint follows in a companion PR. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_013NCc4BHtZ4Lx6n9zuUwEeP
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…module Companion to CosmoStat/cs_util#76, which brings sp_validation's cosmology theory-curve machinery into cs_util.cosmo (the single home for the collaboration's cosmology primitives, per a conversation with Martin). Deletes src/sp_validation/cosmology.py and repoints every consumer to cs_util.cosmo: - package: b_modes.py, cosmo_val/core.py, cosmo_val/pseudo_cl.py - scripts: papers/bmodes/scripts/precompute_pure_eb_chunk.py, scratch/guerrini/namaster_utils.py - docs/comments: workflow/common.py, papers/bmodes/config/covariance.md Drops "cosmology" from sp_validation.__all__ and removes the now-duplicated tests/test_cosmology.py (moved to cs_util alongside the code). No call sites change -- the functions are byte-identical, only their home moved. Temporarily sources cs_util from #76's branch so this PR validates before #76 merges; restore "cs_util>=0.2.2" once #76 merges and 0.2.2 ships to PyPI. Part of CosmoStat/cs_util#75. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_013NCc4BHtZ4Lx6n9zuUwEeP
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cs_util releases are infrequent while the two repos iterate together, so sp_validation tracks cs_util's develop branch directly as a git dependency rather than a version pin. Replaces the temporary pointer at #76's feature branch (which would break when that branch is deleted on merge). This PR's cosmology repoint goes green once CosmoStat/cs_util#76 merges into develop. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_013NCc4BHtZ4Lx6n9zuUwEeP
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Closes #75 (PR 1 of 2 — the cs_util side).
Moves the cosmology theory-curve machinery from
sp_validation.cosmologyintocs_util.cosmo, so cs_util is the single home for the collaboration's cosmology primitives (per a conversation with Martin).What moves in
PLANCK18fiducial-cosmology dictget_cosmo— flexible Planck18-default cosmology builder (individual / CCL / CAMB / CosmoCov parameter formats)get_theo_c_ell,c_ell_to_xi,get_theo_xi— angular power spectra and shear correlation functions (CCL and CAMB backends)_ccl_to_camb/_camb_to_ccl/_cosmocov_to_cclconverterstests/test_cosmology.py, ported from sp_validationAdditive — nothing existing changes
get_cosmo_default, thesigma_critfamily, andxipm_theoare untouched (the diff is a header update plus one appended block), soshear_psf_leakage(which importsget_cosmo_default+xipm_theo) is unaffected. No new dependency — cs_util already requirescambandpyccl.Real py3.12 support via a scipy cap
scipy 1.18 ported FITPACK to C, changing a
RectBivariateSplinereturn shape that breaks camb's BBNY_Hepredictor inset_cosmology— and pyccl's Boltzmann spline path — withTypeError: only 0-dimensional arrays can be converted to Python scalars. This capsscipy<1.18(mirroring sp_validation), so the full cosmo suite passes for real on py3.10 and py3.12 (numpy 2.5): 31/31, no xfails. That also lets us drop the numpy≥2.5 xfail ontest_xipm_theo(a stopgap for the same root cause, #70/#71), which now passes. Lift the cap when camb ships the fix — cmbant/CAMB#202 (workaround committed for camb's next release).get_theo_xiproduces the expected cosmic-shear ξ± (ξ+ ~1.5e-4 at 1′ → ~7e-7 at 200′).Bumps version
0.2.1 → 0.2.2. The companion sp_validation PR (delete + repoint) follows.— Claude on behalf of Cail