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Reverting the "unixware7" patch: atan2(0, 1) should be 0, regardless of

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platform.  If it returns pi on the unixware7 platform, they have a bug in
their libm atan2.
This commit is contained in:
Tim Peters 2001-04-12 00:24:41 +00:00
parent ac6985f42f
commit 4642cb9ac9
1 changed files with 1 additions and 5 deletions
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6
Lib/test/test_math.py
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@ -1,7 +1,6 @@
# Python test set -- math module # Python test set -- math module
# XXXX Should not do tests around zero only # XXXX Should not do tests around zero only
import sys
from test_support import * from test_support import *
seps='1e-05' seps='1e-05'
@ -36,10 +35,7 @@ testit('atan(1)', math.atan(1), math.pi/4)
print 'atan2' print 'atan2'
testit('atan2(-1, 0)', math.atan2(-1, 0), -math.pi/2) testit('atan2(-1, 0)', math.atan2(-1, 0), -math.pi/2)
testit('atan2(-1, 1)', math.atan2(-1, 1), -math.pi/4) testit('atan2(-1, 1)', math.atan2(-1, 1), -math.pi/4)
if sys.platform in ['unixware7']: testit('atan2(0, 1)', math.atan2(0, 1), 0)
testit('atan2(0, 1)', math.atan2(0, 1), math.pi)
else:
testit('atan2(0, 1)', math.atan2(0, 1), 0)
testit('atan2(1, 1)', math.atan2(1, 1), math.pi/4) testit('atan2(1, 1)', math.atan2(1, 1), math.pi/4)
testit('atan2(1, 0)', math.atan2(1, 0), math.pi/2) testit('atan2(1, 0)', math.atan2(1, 0), math.pi/2)