scipy-gitbot
commented
11 years ago Attachment added by @nilswagner01 on 2008-06-21: test_statsnormcdf.py
Closed scipy-gitbot closed 11 years ago
scipy-gitbot
commented
11 years ago Attachment added by @nilswagner01 on 2008-06-21: test_statsnormcdf.py
scipy-gitbot
commented
11 years ago @nilswagner01 wrote on 2008-08-02
I cannot reproduce the bug here.
Linux linux 2.6.11.4-21.17-default #1 Fri Apr 6 08:42:34 UTC 2007 i686 athlon i386 GNU/Linux
>>> scipy.__version__
'0.7.0.dev4559'
>>> stats.norm.cdf(-1.7624320982)
array(0.03899815971089126)
>>> stats.norm.cdf(-1.7624320983)
array(0.038998159702449853)
>>> stats.norm.cdf(-1.7624320984)
array(0.038998159694008439)
>>> stats.norm.cdf(-1.7624320981)
array(0.038998159719332653)
n@josef-pkt wrote on 2008-11-17
looks essentially like a duplicate of gh-1067
I added a test for 540 and 567 to test_continuous_extra.py
scipy-gitbot
commented
11 years ago Milestone changed to 0.7.0 by @jarrodmillman on 2008-12-31
Original ticket http://projects.scipy.org/scipy/ticket/567 on 2007-12-18 by trac user cems, assigned to unknown.
Reproducible bug.
version 0.5.2.1-2 from fink running in ipython, mac ppc G4, 10.4.11
description: at many special input values stats.norm.cdf() returns a nan.
Example:
In [308]: stats.norm.cdf(-1.7624320981) Out[308]: array(0.03899815972020125)
In [309]: stats.norm.cdf(-1.7624320982) Out[309]: array(nan)
In [310]: stats.norm.cdf(-1.7624320983) Out[310]: array(nan)
In [311]: stats.norm.cdf(-1.7624320984) Out[311]: array(0.038998159694008439)