#11674: np.dot of two numeric matrices segfaults sage.
------------------------------+---------------------------------------------
Reporter: mister.wardrop | Owner: jason, jkantor
Type: defect | Status: new
Priority: blocker | Milestone: sage-4.7.1
Component: numerical | Keywords: ATLAS segfault matrix numpy
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
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Comment(by vbraun):
{{{
!sh
vbraun@redhawk:~/Sage/sage-4.7.1.rc2$ gcc --version
gcc (Ubuntu 4.4.3-4ubuntu5) 4.4.3
Copyright (C) 2009 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE.
}}}
and
{{{
sage: sage: ms = np.load("matrices.npy")
sage: sage: time np.dot(ms[0],ms[1])
array([[ 0., 0., 0., ..., 0., -0., -0.],
[ 0., 0., 0., ..., 0., -0., -0.],
[ 0., 0., 0., ..., 0., -0., -0.],
...,
[ 0., 0., 0., ..., 0., 0., 0.],
[ 0., 0., 0., ..., 0., 0., 0.],
[ 0., 0., 0., ..., 0., 0., 0.]])
Time: CPU 0.12 s, Wall: 0.02 s
sage:
}}}
works
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11674#comment:20>
Sage <http://www.sagemath.org>
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