error compiling cython file

[cha...@gmail.com]

Hello,

I am getting the error below when compiling qutip (dev version). Any help is appreciated.

Thanks,

Chaffra

[ 1/13] Cythonizing qutip/cy/brtools.pyx

Error compiling Cython file:

------------------------------------------------------------

...

    fview : memview

        A zeroed memoryview in fortran-order.

    """

    cdef double complex * temp = <double complex *>PyDataMem_NEW_ZEROED(nrows*nrows,sizeof(complex))

    cdef complex[:,::1] cview = <double complex[:nrows, :nrows]> temp

    cdef complex[::1,:] fview = cview.T

                                    ^

------------------------------------------------------------

qutip/cy/brtools.pyx:72:37: Memoryview 'double complex[:, ::1]' not conformable to memoryview 'double complex[::1, :]'.

Error compiling Cython file:

------------------------------------------------------------

...

    for kk in range(nrows**2):

        if cabs(eig_mat[kk]) < atol:

            eig_mat[kk] = 0

    cdef complex[:,::1] out = <complex[:nrows, :nrows]> eig_mat

    #This just gets the correct f-ordered view on the data

    cdef complex[::1,:] out_f = out.T

                                  ^

------------------------------------------------------------

qutip/cy/brtools.pyx:274:35: Memoryview 'double complex[:, ::1]' not conformable to memoryview 'double complex[::1, :]'.

Error compiling Cython file:

------------------------------------------------------------

...

    cdef int * isuppz = <int *>PyDataMem_NEW((2*nrows) * sizeof(int))

    cdef complex * work = <complex *>PyDataMem_NEW(lwork * sizeof(complex))

    cdef double * rwork = <double *>PyDataMem_NEW((24*nrows) * sizeof(double))

    cdef int * iwork = <int *>PyDataMem_NEW((10*nrows) * sizeof(int))

    cdef complex[:,::1] cZ = <complex[:nrows, :nrows]><complex *>PyDataMem_NEW(nrows**2 * sizeof(complex))

    cdef complex[::1,:] Z = cZ.T

                             ^

------------------------------------------------------------

qutip/cy/brtools.pyx:593:30: Memoryview 'double complex[:, ::1]' not conformable to memoryview 'double complex[::1, :]'.

Traceback (most recent call last):

  File "setup.py", line 242, in <module>

    ext_modules = cythonize(EXT_MODULES),

  File "/usr/lib/python2.7/dist-packages/Cython/Build/Dependencies.py", line 877, in cythonize

    cythonize_one(*args)

  File "/usr/lib/python2.7/dist-packages/Cython/Build/Dependencies.py", line 997, in cythonize_one

    raise CompileError(None, pyx_file)

Cython.Compiler.Errors.CompileError: qutip/cy/brtools.pyx

[Paul Nation]

What version of Cython are you using?

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[rayc...@gmail.com]

Hi, I also get the same problem, the version of Cython is 0.23.4, and the QuTip source code is simply cloned from github.

在 2017年8月22日星期二 UTC+8上午3:55:09，Paul Nation写道：

To unsubscribe from this group and stop receiving emails from it, send an email to qutip+un...@googlegroups.com.

[Paul Nation]

You need a newer version of Cython.

rayc...@gmail.com

March 12, 2018 at 23:09

Hi, I also get the same problem, the version of Cython is 0.23.4, and the QuTip source code is simply cloned from github.

在 2017年8月22日星期二 UTC+8上午3:55:09，Paul Nation写道：

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Paul Nation

August 21, 2017 at 15:55

What version of Cython are you using?

cha...@gmail.com

August 21, 2017 at 15:26

Hello,

I am getting the error below when compiling qutip (dev version). Any help is appreciated.

Thanks,

Chaffra

[Yuanjia Wang]

Thanks very much! I have installed the latest version of Cython and solved the problem. 

2018-03-13 17:56 GMT+08:00 Paul Nation <nonher...@gmail.com>:

You need a newer version of Cython.

rayc...@gmail.com

March 12, 2018 at 23:09

Hi, I also get the same problem, the version of Cython is 0.23.4, and the QuTip source code is simply cloned from github.

在 2017年8月22日星期二 UTC+8上午3:55:09，Paul Nation写道：

--
You received this message because you are subscribed to the Google Groups "QuTiP: Quantum Toolbox in Python" group.

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Paul Nation

August 21, 2017 at 15:55

What version of Cython are you using?

cha...@gmail.com

August 21, 2017 at 15:26

Hello,

I am getting the error below when compiling qutip (dev version). Any help is appreciated.

Thanks,

Chaffra

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[finnova...@gmail.com]

Same thing here. Latest Cython though: 

Cython==0.28.3

On Tuesday, March 13, 2018 at 1:54:38 PM UTC, Yuanjia Wang wrote:

Thanks very much! I have installed the latest version of Cython and solved the problem. 

2018-03-13 17:56 GMT+08:00 Paul Nation <nonher...@gmail.com>:

You need a newer version of Cython.

rayc...@gmail.com

March 12, 2018 at 23:09

Hi, I also get the same problem, the version of Cython is 0.23.4, and the QuTip source code is simply cloned from github.

在 2017年8月22日星期二 UTC+8上午3:55:09，Paul Nation写道：

--
You received this message because you are subscribed to the Google Groups "QuTiP: Quantum Toolbox in Python" group.

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For more options, visit https://groups.google.com/d/optout.

Paul Nation

August 21, 2017 at 15:55

What version of Cython are you using?

cha...@gmail.com

August 21, 2017 at 15:26

Hello,

I am getting the error below when compiling qutip (dev version). Any help is appreciated.

Thanks,

Chaffra

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[Paul Nation]

I see no such issues with the same Cythone version.

-P

[Omer Ben-Ami]

This can definitely be a mistake.