On Mon, Oct 4, 2021 at 11:54 PM Stephen Waterbury
wrote:
>
> On 10/4/21 10:07 AM, Hongyi Zhao wrote:
>
> On Mon, Oct 4, 2021 at 9:33 PM Robert Kern wrote:
>
> On Mon, Oct 4, 2021 at 5:17 AM Hongyi Zhao wrote:
>
> That’s just the way Python’s syntax works. Operators are not names that can
> be r
On 10/4/21 10:07 AM, Hongyi Zhao wrote:
On Mon, Oct 4, 2021 at 9:33 PM Robert Kern wrote:
On Mon, Oct 4, 2021 at 5:17 AM Hongyi Zhao wrote:
That’s just the way Python’s syntax works. Operators are not names that can be
resolved to objects that can be compared with the `is` operator. Inste
On Mon, Oct 4, 2021 at 9:33 PM Robert Kern wrote:
>
> On Mon, Oct 4, 2021 at 5:17 AM Hongyi Zhao wrote:
>>
>>
>> > That’s just the way Python’s syntax works. Operators are not names that
>> > can be resolved to objects that can be compared with the `is` operator.
>> > Instead, when that operato
On Mon, Oct 4, 2021 at 5:17 AM Hongyi Zhao wrote:
>
> > That’s just the way Python’s syntax works. Operators are not names that
> can be resolved to objects that can be compared with the `is` operator.
> Instead, when that operator is evaluated in an expression, the Python
> interpreter will look
On Mon, Oct 4, 2021 at 4:41 PM Robert Kern wrote:
>
> On Mon, Oct 4, 2021 at 1:09 AM wrote:
>>
>> Thank you for pointing this out. This is the code block which includes the
>> first appearance of the keyword `logical_not`.
>>
>> BTW, why can't the ~ operator be tested equal to 'np.invert', as sh
On Mon, Oct 4, 2021 at 1:09 AM wrote:
> Thank you for pointing this out. This is the code block which includes the
> first appearance of the keyword `logical_not`.
>
> BTW, why can't the ~ operator be tested equal to 'np.invert', as shown
> below:
>
> ```
> In [1]: import numpy as np
> In [3]: np
Thank you for pointing this out. This is the code block which includes the
first appearance of the keyword `logical_not`.
BTW, why can't the ~ operator be tested equal to 'np.invert', as shown below:
```
In [1]: import numpy as np
In [3]: np.invert is np.bitwise_not
Out[3]: True
In [4]: np.inv
On Mon, Oct 4, 2021 at 12:09 AM wrote:
> > (the bool implementation uses the `logical_not` loop).
>
> Do you the following code snippet:
>
>
> https://github.com/numpy/numpy/blob/3c1e9b4717b2eb33a2bf2d495006bc300f5b8765/numpy/core/src/umath/loops.c.src#L1627-L1633
This is the one that gets exp
> (the bool implementation uses the `logical_not` loop).
Do you the following code snippet:
https://github.com/numpy/numpy/blob/3c1e9b4717b2eb33a2bf2d495006bc300f5b8765/numpy/core/src/umath/loops.c.src#L1627-L1633
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On Sun, Oct 3, 2021 at 9:27 PM wrote:
>
> So, C/Python operator `~` has been overridden by the corresponding user
> function in numpy, but where is the corresponding source code
> implementation?
>
ufuncs are implemented in C. We provide so-called loop functions that
iterate over contiguous segm
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