28550477534
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Ran 01 Jul 2026 09:59PM UTC

Jobs 16

Files 3

Run time 1min

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Committed 01 Jul 2026 09:58PM UTC coverage: 100.0%. Remained the same

Build # 28550477534

Build Type

push

github

Committed by

web-flow

Commit Message

Do not import JAX at module import time (v3.2.1) (#21)

`import cvmatrix` previously imported JAX whenever JAX was installed, because
the module-level array/scalar type aliases (`Array`, `Scalar`, `FloatDType`,
`_TRACER_TYPES`) were built from `jax` at import time. This made downstream
packages that only use the NumPy backend pay the JAX import cost.

- Defer annotations with `from __future__ import annotations` (keeping them as
  strings) and keep the aliases NumPy-only at import; `FloatDType` uses
  `npt.DTypeLike` (which already admits JAX scalar dtypes without importing JAX).
- Broaden `Array`/`Scalar`/`_TRACER_TYPES` in-place to admit `jax.Array` via a
  new `_enable_jax_typing()`, called only when the JAX backend is resolved. With
  string annotations, typeguard resolves them against the broadened aliases at
  call time, so `backend="jax"` values still pass runtime type checks.
- JAX is now imported lazily only for `backend="jax"`; `import cvmatrix` stays
  JAX-free even when JAX is installed.

The NumPy and JAX backends are behavior- and result-identical to 3.2.0 (numpy
byte-identical), verified by the existing suite under typeguard for both backends.

Coverage Stats

242 of 242 relevant lines covered (100.0%)

15.7 hits per line

Jobs

ID	Job ID	Ran	Files	Coverage
1	ubuntu-latest-python-3.11-numpy-only - 28550477534.1	01 Jul 2026 09:59PM UTC	3	96.28	GitHub Action Run
2	windows-latest-python-3.13-numpy-only - 28550477534.2	01 Jul 2026 10:00PM UTC	3	96.28	GitHub Action Run
3	ubuntu-latest-python-3.13-numpy-only - 28550477534.3	01 Jul 2026 09:59PM UTC	3	96.28	GitHub Action Run
4	windows-latest-python-3.13-jax - 28550477534.4	01 Jul 2026 10:02PM UTC	3	100.0	GitHub Action Run
5	windows-latest-python-3.12-numpy-only - 28550477534.5	01 Jul 2026 10:00PM UTC	3	96.28	GitHub Action Run
6	windows-latest-python-3.14-numpy-only - 28550477534.6	01 Jul 2026 10:00PM UTC	3	96.28	GitHub Action Run
7	windows-latest-python-3.12-jax - 28550477534.7	01 Jul 2026 10:02PM UTC	3	100.0	GitHub Action Run
8	ubuntu-latest-python-3.12-jax - 28550477534.8	01 Jul 2026 10:01PM UTC	3	100.0	GitHub Action Run
9	windows-latest-python-3.11-jax - 28550477534.9	01 Jul 2026 10:02PM UTC	3	100.0	GitHub Action Run
10	ubuntu-latest-python-3.12-numpy-only - 28550477534.10	01 Jul 2026 09:59PM UTC	3	96.28	GitHub Action Run
11	ubuntu-latest-python-3.14-numpy-only - 28550477534.11	01 Jul 2026 10:00PM UTC	3	96.28	GitHub Action Run
12	ubuntu-latest-python-3.13-jax - 28550477534.12	01 Jul 2026 10:01PM UTC	3	100.0	GitHub Action Run
13	ubuntu-latest-python-3.14-jax - 28550477534.13	01 Jul 2026 10:00PM UTC	3	100.0	GitHub Action Run
14	windows-latest-python-3.11-numpy-only - 28550477534.14	01 Jul 2026 10:00PM UTC	3	96.28	GitHub Action Run
15	windows-latest-python-3.14-jax - 28550477534.15	01 Jul 2026 10:01PM UTC	3	100.0	GitHub Action Run
16	ubuntu-latest-python-3.11-jax - 28550477534.16	01 Jul 2026 10:01PM UTC	3	100.0	GitHub Action Run

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