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counterparts (#17222)
* DOC: redistribute docstring-only content from numpy/doc
* DOC: post-transition clean-up
* DOC, MAINT: reskip doctests, fix a few easy ones
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* Make clear that "trailing" means the "rightmost" dimensions.
* Instead of saying "works its way forward" (forward?), say
"works its way left".
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As numpy is Python 3 only, these import statements are now unnecessary
and don't alter runtime behavior.
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* DOC: clarified rules about broadcasting when empty arrays are involved.
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Replaced <type 'exceptions.ValueError'> with ValueError in the
outdated broadcasting documentation
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The exception details in the broadcast documentation were old and
have since been updated. This commit changes the documentation to
reflect the current exception details when a shape mismatch is
raised.
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During broadcasting, dimensions with size 1 can be matched against 0-sized dimensions, and in this case it's the size 1 dimension that will be shrunk away to nothingness. So it's wrong to say that the *smaller* dimension is the one that changes.
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Now is as good a time as any with open PR's at a low.
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Add `print_function` to all `from __future__ import ...` statements
and use the python3 print function syntax everywhere.
Closes #3078.
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The new import `absolute_import` is added the `from __future__ import`
statement and The 2to3 `import` fixer is run to make the imports
compatible. There are several things that need to be dealt with to make
this work.
1) Files meant to be run as scripts run in a different environment than
files imported as part of a package, and so changes to those files need
to be skipped. The affected script files are:
* all setup.py files
* numpy/core/code_generators/generate_umath.py
* numpy/core/code_generators/generate_numpy_api.py
* numpy/core/code_generators/generate_ufunc_api.py
2) Some imported modules are not available as they are created during
the build process and consequently 2to3 is unable to handle them
correctly. Files that import those modules need a bit of extra work.
The affected files are:
* core/__init__.py,
* core/numeric.py,
* core/_internal.py,
* core/arrayprint.py,
* core/fromnumeric.py,
* numpy/__init__.py,
* lib/npyio.py,
* lib/function_base.py,
* fft/fftpack.py,
* random/__init__.py
Closes #3172
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This should be harmless, as we already are division clean. However,
placement of this import takes some care. In the future a script
can be used to append new features without worry, at least until
such time as it exceeds a single line. Having that ability will
make it easier to deal with absolute imports and printing updates.
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