[NumPy-Tickets] [NumPy] #1624: dot gives wrong result for large array with float32 objects
NumPy Trac
numpy-tickets@scipy....
Fri Oct 1 07:15:31 CDT 2010
#1624: dot gives wrong result for large array with float32 objects
-------------------------+--------------------------------------------------
Reporter: c_huettel | Owner: somebody
Type: defect | Status: closed
Priority: high | Milestone: 2.0.0
Component: numpy.core | Version: 1.3.0
Resolution: invalid | Keywords:
-------------------------+--------------------------------------------------
Changes (by pv):
* status: new => closed
* resolution: => invalid
Comment:
It's loss of precision, and it is different since dot() is not implemented
as a naive summation.
It's not a bug, effects like this are a fundamental property of floating
point numbers.
--
Ticket URL: <http://projects.scipy.org/numpy/ticket/1624#comment:2>
NumPy <http://projects.scipy.org/numpy>
My example project
More information about the NumPy-Tickets
mailing list