On Thu, Apr 1, 2010 at 1:22 AM, josef.pktd@gmail.com wrote:
On Thu, Apr 1, 2010 at 1:17 AM, Charles R Harris charlesr.harris@gmail.com wrote:
On Wed, Mar 31, 2010 at 6:08 PM, josef.pktd@gmail.com wrote:
On Wed, Mar 31, 2010 at 7:37 PM, Warren Weckesser warren.weckesser@enthought.com wrote:
T J wrote:
On Wed, Mar 31, 2010 at 1:21 PM, Charles R Harris charlesr.harris@gmail.com wrote:
Looks like roundoff error.
So this is "expected" behavior?
In [1]: np.logaddexp2(-1.5849625007211563, -53.584962500721154) Out[1]: -1.5849625007211561
In [2]: np.logaddexp2(-0.5849625007211563, -53.584962500721154) Out[2]: nan
Is any able to reproduce this? I don't get 'nan' in either 1.4.0 or 2.0.0.dev8313 (32 bit Mac OSX). In an earlier email T J reported using 1.5.0.dev8106.
np.logaddexp2(-0.5849625007211563, -53.584962500721154)
nan
np.logaddexp2(-1.5849625007211563, -53.584962500721154)
-1.5849625007211561
np.version.version
'1.4.0'
WindowsXP 32
What compiler? Mingw?
yes, mingw 3.4.5. , official binaries release 1.4.0 by David
sse2 Pentium M
Josef
Chuck
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