cython-users

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Serhiy Yevtushenko, … Stefan Behnel5

10:08 AM

Question about numpy.float16 support in cython

Hi, Stefan Thank you for the clarification. What would be the right way to get this functionality in

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Question about numpy.float16 support in cython

Hi, Stefan Thank you for the clarification. What would be the right way to get this functionality in

10:08 AM

Alexander Papageorge, … Alexander Papageorge9

Jul 23

slow down when passing functions

This very helpful, thank you very much! On Fri, Jul 23, 2021 at 11:48 AM D Woods <dw-git@d-woods.

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slow down when passing functions

This very helpful, thank you very much! On Fri, Jul 23, 2021 at 11:48 AM D Woods <dw-git@d-woods.

Jul 23

Iwan Vosloo, Stefan Behnel2

Jul 14

Segfault when calling weak symbol

Hi, I don't think I can help much, but what you describe isn't enough for me to understand

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Segfault when calling weak symbol

Hi, I don't think I can help much, but what you describe isn't enough for me to understand

Jul 14

Sebastian M. Ernst, Blue2

Jul 8

Syntax highlighting for text editor / IDE

Hello Sebastian, I've had exactly the same issue in my Visual Studio Code experience and with

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Syntax highlighting for text editor / IDE

Hello Sebastian, I've had exactly the same issue in my Visual Studio Code experience and with

Jul 8

0dminnimda, … Blue4

Jul 8

Is Scoder the only maintainer for Cython?

> Has anyone thought of creating a group of people who will have a little less rights than Scoder,

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Is Scoder the only maintainer for Cython?

> Has anyone thought of creating a group of people who will have a little less rights than Scoder,

Jul 8

Javier Baez, … Julien Jerphanion10

Jul 6

Fused types problems with class inheritance

Just for future readers' information: I've been able to compile both reproducers with Cython

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Fused types problems with class inheritance

Just for future readers' information: I've been able to compile both reproducers with Cython

Jul 6

Julien Jerphanion, D Woods4

Jul 1

CPython interaction generated when using memory views as attributes on Cython classes

Yeah - I think a PR to mention it to the Typed Memoryviews section would probably be welcome. I think

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CPython interaction generated when using memory views as attributes on Cython classes

Yeah - I think a PR to mention it to the Typed Memoryviews section would probably be welcome. I think

Jul 1

Serhiy Yevtushenko, … Casper van Elteren8

Jun 30

How to import numpy types in cython pure python mode

Hi Serhiy, Well the pxd file is one way to achieve it. The docs list several other ways of doing it (

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How to import numpy types in cython pure python mode

Hi Serhiy, Well the pxd file is one way to achieve it. The docs list several other ways of doing it (

Jun 30

NAVEEN, Casper van Elteren2

Jun 28

How to intialise a C struct?

You initialize a struct as such, where inside the brackets are the members of the struct (in order).

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How to intialise a C struct?

You initialize a struct as such, where inside the brackets are the members of the struct (in order).

Jun 28

Jun 28

Unable to reproduce test results running in CI.

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Unable to reproduce test results running in CI.

Jun 28

Sebastian M. Ernst, … Jonathan Kliem3

Jun 23

Canonical way for using SIMD in Cython?

Hello Sebastian, I basically have been asking myself the same question and did not find a satisfying

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Canonical way for using SIMD in Cython?

Hello Sebastian, I basically have been asking myself the same question and did not find a satisfying

Jun 23

Paul Harwood, … D Woods5

Jun 22

cpdef enum with member "None"

Thanks to all for the replies - sorry that our messages crossed because of moderation. On Tue, 22 Jun

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cpdef enum with member "None"

Thanks to all for the replies - sorry that our messages crossed because of moderation. On Tue, 22 Jun

Jun 22

Phil Osteen, … Stefan Behnel6

Jun 16

Extension types / factory patterns for Python3

I had a feeling this would be something minor on my end; commenting that line resolved the errors. I

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Extension types / factory patterns for Python3

I had a feeling this would be something minor on my end; commenting that line resolved the errors. I

Jun 16

Mark Melvin, Stefan Behnel3

Jun 14

Weird behavior for wrapped C struct

Interesting. Thank you, Stefan! On Mon, Jun 14, 2021 at 6:14 PM Stefan Behnel <stefan_ml@behnel.de

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Weird behavior for wrapped C struct

Interesting. Thank you, Stefan! On Mon, Jun 14, 2021 at 6:14 PM Stefan Behnel <stefan_ml@behnel.de

Jun 14

Sour Ce, … D Woods10

Jun 14

Cython limitations (and potential bugs)

> Not sure what exactly you describe here, but it sounds like something that could be easy to fix.

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Cython limitations (and potential bugs)

> Not sure what exactly you describe here, but it sounds like something that could be easy to fix.

Jun 14

Casper van Elteren, Stefan Behnel3

Jun 14

Including cpp/hpp source from separate module

Hi Stefan, I ended up figuring it out. I had to write a proper include to the already installed

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Including cpp/hpp source from separate module

Hi Stefan, I ended up figuring it out. I had to write a proper include to the already installed

Jun 14

jsr, … Robert Bradshaw7

Jun 7

access C pointer to start of array

On Friday, June 4, 2021 at 9:48:05 PM UTC+2 robe...@gmail.com wrote: On Fri, Jun 4, 2021 at 12:02 PM

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access C pointer to start of array

On Friday, June 4, 2021 at 9:48:05 PM UTC+2 robe...@gmail.com wrote: On Fri, Jun 4, 2021 at 12:02 PM

Jun 7

Noon Chen, Robert Bradshaw2

Jun 6

What is the proper way to avoid "duplicate symbols" when linking?

You should compile c_queue as a separate shared object file, then link the two modules against it.

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What is the proper way to avoid "duplicate symbols" when linking?

You should compile c_queue as a separate shared object file, then link the two modules against it.

Jun 6

Jun 3

New package Memory Allocator

Dear all, we have created a new package https://pypi.org/project/memory-allocator/ (refactored from a

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New package Memory Allocator

Dear all, we have created a new package https://pypi.org/project/memory-allocator/ (refactored from a

Jun 3

Jun 2

Cdef function overloading or extern cppclass with cython code?

Circumstantially found the answer about an hour later in a different question asked here on a

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Cdef function overloading or extern cppclass with cython code?

Circumstantially found the answer about an hour later in a different question asked here on a

Jun 2

jbrock...@gmail.com, … Sour Ce3

Jun 1

Declare variable as PyLongObject AKA python int?

Not sure what the complete answer to your question is, but I have discovered the following: * You can

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Declare variable as PyLongObject AKA python int?

Not sure what the complete answer to your question is, but I have discovered the following: * You can

Jun 1

Steven Johnson, D Woods3

May 27

Alpha7 Pure python code gives : TypeError: Expected unicode, got FieldInfo

Yeah looks like a bug to me. I reported it https://github.com/cython/cython/issues/4196 On Thursday,

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Alpha7 Pure python code gives : TypeError: Expected unicode, got FieldInfo

Yeah looks like a bug to me. I reported it https://github.com/cython/cython/issues/4196 On Thursday,

May 27

Steven Johnson2

May 27

Compiles OK, but says its not compiled.

Hmm, So i was running from head of the master branch. I just noticed the recent alpha 7 git tagged,

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Compiles OK, but says its not compiled.

Hmm, So i was running from head of the master branch. I just noticed the recent alpha 7 git tagged,

May 27

May 24

Cython 3.0 alpha 7 released

Hi all, I just released the next alpha version of Cython 3.0. It's been a while since the last

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Cython 3.0 alpha 7 released

Hi all, I just released the next alpha version of Cython 3.0. It's been a while since the last

May 24

jbrock...@gmail.com, … Daniele Nicolodi6

May 22

cython access to C implementation of stdlib module

On 22/05/2021 06:08, Stefan Behnel wrote: > jbrock...@gmail.com schrieb am 24.01.21 um 21:45: >

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cython access to C implementation of stdlib module

On 22/05/2021 06:08, Stefan Behnel wrote: > jbrock...@gmail.com schrieb am 24.01.21 um 21:45: >

May 22

Idan Miara, Stefan Behnel4

May 19

Cythonize a simple C DLL (without a lib file)

Hi all, I've found a solution - it is possible to create a lib file (import library) from a dll

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Cythonize a simple C DLL (without a lib file)

Hi all, I've found a solution - it is possible to create a lib file (import library) from a dll

May 19

Noon Chen, Stefan Behnel3

May 19

cdef function without python object doesn't allow nogil

Wow! Thanks Stefan! You're correct, Never expected cython would implicitly convert numeric

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cdef function without python object doesn't allow nogil

Wow! Thanks Stefan! You're correct, Never expected cython would implicitly convert numeric

May 19

Noon Chen, … Dan Stromberg5

May 19

Occasional segfault in Cython

Hey! Thanks for your suggestions! I am so embarrassed😂... There is a typo in the c function `

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Occasional segfault in Cython

Hey! Thanks for your suggestions! I am so embarrassed😂... There is a typo in the c function `

May 19

May 18

Managing Compiled Output

I have started utilizing the benefits of Cython in my PyCharm IDE, including upwards of 50% or more

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Managing Compiled Output

I have started utilizing the benefits of Cython in my PyCharm IDE, including upwards of 50% or more

May 18

谭九鼎, Stefan Behnel5

May 16

Beginner, don't know how to call C functions.

Thanks, I know how to use setup.py and cythonize CLI now. Since pyximport has its issue, I won't

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Beginner, don't know how to call C functions.

Thanks, I know how to use setup.py and cythonize CLI now. Since pyximport has its issue, I won't

May 16

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