[Numpy-discussion] some work on arpack

Nils Wagner nwagner at iam.uni-stuttgart.de
Wed Aug 16 09:28:35 CDT 2006


Nils Wagner wrote:
> Keith Goodman wrote:
>   
>> On 8/15/06, David Grant <davidgrant at gmail.com> wrote:
>>
>>   
>>     
>>> My idea is (if I have time) to write an eigs-like function in python
>>> that will only perform a subset of what Matlab's eigs does for. It
>>> will, for example, compute a certain number of eigenvalues and
>>> eigenvectors for a real, sparse, symmetric matrix (the case I'm
>>> interested in)
>>>     
>>>       
>>   
>>     
> AFAIK, pysparse (in the sandbox) includes a module that implements a
> Jacobi-Davidson
> eigenvalue solver for the symmetric, generalised matrix eigenvalue
> problem (JDSYM).
> Did someone test pysparse ?
>
> Nils
>
>   
>> Will it also work for a real, dense, symmetric matrix? That's the case
>> I'm interested in. But even if it doesn't, your work is great news for
>> numpy.
>>
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>
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>  
>
>
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Ok it's not ready...

gcc: Lib/sandbox/pysparse/src/spmatrixmodule.c
In file included from Lib/sandbox/pysparse/src/spmatrixmodule.c:17:
Lib/sandbox/pysparse/src/ll_mat.c: In function ‘LLMat_matvec_transp’:
Lib/sandbox/pysparse/src/ll_mat.c:760: error: ‘CONTIGUOUS’ undeclared
(first use in this function)
Lib/sandbox/pysparse/src/ll_mat.c:760: error: (Each undeclared
identifier is reported only once
Lib/sandbox/pysparse/src/ll_mat.c:760: error: for each function it
appears in.)
Lib/sandbox/pysparse/src/ll_mat.c: In function ‘LLMat_matvec’:
Lib/sandbox/pysparse/src/ll_mat.c:797: error: ‘CONTIGUOUS’ undeclared
(first use in this function)
In file included from Lib/sandbox/pysparse/src/spmatrixmodule.c:18:
Lib/sandbox/pysparse/src/csr_mat.c: In function ‘CSRMat_matvec_transp’:
Lib/sandbox/pysparse/src/csr_mat.c:119: error: ‘CONTIGUOUS’ undeclared
(first use in this function)
Lib/sandbox/pysparse/src/csr_mat.c: In function ‘CSRMat_matvec’:
Lib/sandbox/pysparse/src/csr_mat.c:146: error: ‘CONTIGUOUS’ undeclared
(first use in this function)
In file included from Lib/sandbox/pysparse/src/spmatrixmodule.c:19:
Lib/sandbox/pysparse/src/sss_mat.c: In function ‘SSSMat_matvec’:
Lib/sandbox/pysparse/src/sss_mat.c:83: error: ‘CONTIGUOUS’ undeclared
(first use in this function)
In file included from Lib/sandbox/pysparse/src/spmatrixmodule.c:17:
Lib/sandbox/pysparse/src/ll_mat.c: In function ‘LLMat_matvec_transp’:
Lib/sandbox/pysparse/src/ll_mat.c:760: error: ‘CONTIGUOUS’ undeclared
(first use in this function)
Lib/sandbox/pysparse/src/ll_mat.c:760: error: (Each undeclared
identifier is reported only once
Lib/sandbox/pysparse/src/ll_mat.c:760: error: for each function it
appears in.)
Lib/sandbox/pysparse/src/ll_mat.c: In function ‘LLMat_matvec’:
Lib/sandbox/pysparse/src/ll_mat.c:797: error: ‘CONTIGUOUS’ undeclared
(first use in this function)
In file included from Lib/sandbox/pysparse/src/spmatrixmodule.c:18:
Lib/sandbox/pysparse/src/csr_mat.c: In function ‘CSRMat_matvec_transp’:
Lib/sandbox/pysparse/src/csr_mat.c:119: error: ‘CONTIGUOUS’ undeclared
(first use in this function)
Lib/sandbox/pysparse/src/csr_mat.c: In function ‘CSRMat_matvec’:
Lib/sandbox/pysparse/src/csr_mat.c:146: error: ‘CONTIGUOUS’ undeclared
(first use in this function)
In file included from Lib/sandbox/pysparse/src/spmatrixmodule.c:19:
Lib/sandbox/pysparse/src/sss_mat.c: In function ‘SSSMat_matvec’:
Lib/sandbox/pysparse/src/sss_mat.c:83: error: ‘CONTIGUOUS’ undeclared
(first use in this function)
error: Command "gcc -pthread -fno-strict-aliasing -DNDEBUG -O2
-fmessage-length=0 -Wall -D_FORTIFY_SOURCE=2 -g -fPIC
-ILib/sandbox/pysparse/include/
-I/usr/lib64/python2.4/site-packages/numpy/core/include
-I/usr/include/python2.4 -c Lib/sandbox/pysparse/src/spmatrixmodule.c -o
build/temp.linux-x86_64-2.4/Lib/sandbox/pysparse/src/spmatrixmodule.o"
failed with exit status 1

Nils





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