On 19/10/10 23:09, Aman Thakral wrote:
Hi,

I'm having some issues with LAPACK. Here is the result of python -m "rpy2.tests"

rpy2 version 2.1.7
..............................................................................................................................getbuffer
.getbuffer
/usr/local/lib/python2.6/dist-packages/numpy-1.5.0b2-py2.6-linux-i686.egg/numpy

May be off-topic, but Numpy 1.5.0-release is available
(latest is 1.5.1rc1).

/core/numeric.py:284: RuntimeWarning: Item size computed from the PEP 3118 buffer format string does not match the actual item size.
  return array(a, dtype, copy=False, order=order)
.getbuffer
.getbuffer
.................................................Error in function (x, symmetric, only.values = FALSE, EISPACK = FALSE) :
  lapack routines cannot be loaded
In addition: Warning message:
In function (x, symmetric, only.values = FALSE, EISPACK = FALSE)  :
  unable to load shared object '/usr/local/lib/R/modules//lapack.so':
  libRlapack.so: cannot open shared object file: No such file or directory
E..Error in La.svd(x, nu, nv) : lapack routines cannot be loaded

I suspect a mismatch between the R installation rpy2 was compiled against and the R installation this is run with.

libRlapack.so should be in '/usr/local/lib/R/lib/' (but it is not).

Are you linkingR against a system-wide LAPACK ?


E.............................................................................................
======================================================================
ERROR: testEigen (rpy2.robjects.tests.testArray.MatrixTestCase)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/usr/local/lib/python2.6/dist-packages/rpy2-2.1.7_20101019-py2.6-linux-i686.egg/rpy2/robjects/tests/testArray.py", line 91, in testEigen
    res = m.eigen()
File "/usr/local/lib/python2.6/dist-packages/rpy2-2.1.7_20101019-py2.6-linux-i686.egg/rpy2/robjects/vectors.py", line 457, in eigen
    res = self._eigen(self)
RRuntimeError: Error in function (x, symmetric, only.values = FALSE, EISPACK = FALSE) :
  lapack routines cannot be loaded


======================================================================
ERROR: testSVD (rpy2.robjects.tests.testArray.MatrixTestCase)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/usr/local/lib/python2.6/dist-packages/rpy2-2.1.7_20101019-py2.6-linux-i686.egg/rpy2/robjects/tests/testArray.py", line 85, in testSVD
    res = m.svd()
File "/usr/local/lib/python2.6/dist-packages/rpy2-2.1.7_20101019-py2.6-linux-i686.egg/rpy2/robjects/vectors.py", line 447, in svd
    res = self._svd(self, nu = nu, nv = nv, LINPACK = False)
RRuntimeError: Error in La.svd(x, nu, nv) : lapack routines cannot be loaded


----------------------------------------------------------------------
Ran 275 tests in 3.655s

FAILED (errors=2)

I've tried to add the /usr/local/lib/R/bin folder to the path. This however, did not fix the issue. Any help with this matter would be greatly appreciated.

Thanks,
Aman


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