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BUG: f2py incorrectly translates "n/2*2" dimension => closed bug #8062 persists #20177

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dibnob44 opened this issue Oct 23, 2021 · 1 comment
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BUG: f2py incorrectly translates "n/2*2" dimension => closed bug #8062 persists #20177

dibnob44 opened this issue Oct 23, 2021 · 1 comment
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00 - Bug 53 - Invalid component: numpy.f2py

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@dibnob44
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Describe the issue:

The original example in #8062 still fails to compile at newest numpy.f2py, either in python3 or from command line,
despite bug #8062 closed recently:

/tmp/tmprwxhrqbm/src.linux-x86_64-3.8/hello-f2pywrappers.f:8:16:

8 |       integer a(1.0 * n + 1.0)
  |                1

Error: Expression at (1) must be of INTEGER type, found REAL

Reproduce the code example:

See the original example in #8062

Error message:

8 |       integer a(1.0 * n + 1.0)
      |                1
Error: Expression at (1) must be of INTEGER type, found REAL

NumPy/Python version information:

python3-numpy is already the newest version (1:1.17.4-5ubuntu3).
@melissawm
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Hi @dibnob44 - 1.17.4 is a few releases ago. This is fixed on main, but indeed it's still failing for 1.21.3 with


    5 |       subroutine f2pywrap_testa_testb (testbf2pywrap, a, n)
      |                                     1
......
   15 |       subroutine f2pywrap_testa_testb (testbf2pywrap, testb, a, n)
      |                                     2
Warning: Rank mismatch in argument 'testb' (0/1) between (1) and (2)

If you can't use main for now, you might want to keep an eye out for the next release. If Ubuntu does not provide you with this new version you can use pip, conda or your preferred python environment/package manager to install a newer version.

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@melissawm @HaoZeke @dibnob44