New issue 2088: automatic casting does not work in linalg
https://bitbucket.org/pypy/pypy/issues/2088/automatic-casting-does-not-work-in-linalg
lesshaste:
In ipython the following works
ipython
Python 2.7.6 (default, Jun 22 2015, 17:58:13)
Type "copyright", "credits" or "license" for more information.
IPython 1.2.1 -- An enhanced Interactive Python.
? -> Introduction and overview of IPython's features.
%quickref -> Quick reference.
help -> Python's own help system.
object? -> Details about 'object', use 'object??' for extra details.
In [1]: import numpy
In [2]: A = [[1,0],[0,1]]
In [3]: numpy.linalg.det(A)
Out[3]: 1.0
but in Python 2.7.9 (2.6.0+dfsg-1~ppa0+ubuntu14.04, Jun 08 2015, 14:48:00)
with numpy from July 20 it doesn't.
pypy-numpy/bin/pypy
Python 2.7.9 (2.6.0+dfsg-1~ppa0+ubuntu14.04, Jun 08 2015, 14:48:00)
[PyPy 2.6.0 with GCC 4.8.2] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>>> import numpy
>>>> A = [[1,0],[0,1]]
>>>> numpy.linalg.det(A)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/home/user/pypy-numpy/site-packages/numpy/linalg/linalg.py", line 1734,
in det
return _umath_linalg.det(a, signature=signature).astype(result_t)
TypeError: input dtype [=i8,None,] did not match any known dtypes
[=f4,=f4,=f8,=f8,=c8,=f4,=c16,=f8]
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