2024.12 support in array-api-strict

[ev-br]

This is a tracking issue for the support of 2024.12 standard. The revision is still in draft, so the list below is preliminary, too.

New functions

• diff -- Add preliminary support for the draft 2024.12 version of the standard #82
• nextafter -- Add preliminary support for the draft 2024.12 version of the standard #82
• cumulative_prod -- Add count_nonzero and cumulative_prod from 2024.12 revision draft #113
• reciprocal -- Add preliminary support for the draft 2024.12 version of the standard #82
• count_nonzero -- Add count_nonzero and cumulative_prod from 2024.12 revision draft #113
• take_along_axis -- Add preliminary support for the draft 2024.12 version of the standard #82
• max_dimensions in capabilities -- Add preliminary support for the draft 2024.12 version of the standard #82

Extensions of existing functionality:

• mean is defined for complex inputs -- ENH: allow mean(complex) in 2024.12 #110
• scalars are allowed in result_type, Allow python scalars in result_type: 2024.12 revision #119
• scalars are allowed in binary element wise functions, ENH: allow python scalars in binary elementwise functions #100
• scalars are allowed in where, Add support for scalar arguments to xp.where #78
• real and conj accept numeric dtypes, ENH: real and conj accept numeric dtypes #126

Fancy indexing (cross-ref data-apis/array-api#900 and data-apis/array-api#669):

• fancy indexing with ints and integer arrays #127

[ev-br]

The initial "coverage run" is complete, follow-ups are expected, and are best tracked separately.