Fix abs

[Rubtsowa]

No description provided.

[codecov]

Codecov Report

Merging #136 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master    #136   +/-   ##
======================================
  Coverage    0.00%   0.00%           
======================================
  Files          19      19           
  Lines        1242    1242           
  Branches      330     330           
======================================
  Misses       1242    1242           

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update b26d624...ee4bbf0. Read the comment docs.

[Alexander-Makaryev]

@Rubtsowa
Could you please look into #127?
Pay attention to these changes because they cover the same part of code.

[shssf]

is this PR ready for merge?

[Alexander-Makaryev]

@Rubtsowa
cdef size_t input_shape_size = input.ndim
https://github.com/IntelPython/dpnp/blob/master/dpnp/backend_mathematical.pyx#L72
Is still not used anywhere.
Could you please check one more time my comments in your original PR?
#104