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authorChristian Krinitsin <mail@krinitsin.com>2025-06-30 12:24:58 +0000
committerChristian Krinitsin <mail@krinitsin.com>2025-06-30 12:27:06 +0000
commit33606b41d35115f887ea688b1a16f2ff85bf2fe4 (patch)
tree406b2c7b19a087ba437c68f3dbf0b589fa1d6150 /results/scraper/launchpad-without-comments/645662
parentadedf8771bc4de3113041ca21bd4d0d1c0014b6a (diff)
downloademulator-bug-study-33606b41d35115f887ea688b1a16f2ff85bf2fe4.tar.gz
emulator-bug-study-33606b41d35115f887ea688b1a16f2ff85bf2fe4.zip
add launchpad bug reports without comments
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+QEMU x87 emulation of trig and other complex ops is only at 64-bit precision, not 80-bit
+
+When doing the regression tests for Python 3.1.2 with Qemu 0.12.5, (Linux version 2.6.26-2-686 (Debian 2.6.26-25lenny1)),
+gcc (Debian 4.3.2-1.1) 4.3.2, Python compiled from sources within qemu,
+3 math tests fail, apparently because the floating point unit is buggy. Qmeu was compiled from original sources
+on Debian Lenny with kernel  2.6.34.6 from kernel.org, gcc  (Debian 4.3.2-1.1) 4.3. 
+
+Regression testing errors:
+
+test_cmath
+test test_cmath failed -- Traceback (most recent call last):
+  File "/root/tools/python3/Python-3.1.2/Lib/test/test_cmath.py", line 364, in
+    self.fail(error_message)
+AssertionError: acos0034: acos(complex(-1.0000000000000002, 0.0))
+Expected: complex(3.141592653589793, -2.1073424255447014e-08)
+Received: complex(3.141592653589793, -2.1073424338879928e-08)
+Received value insufficiently close to expected value.
+
+
+test_float
+test test_float failed -- Traceback (most recent call last):
+  File "/root/tools/python3/Python-3.1.2/Lib/test/test_float.py", line 479, in
+    self.assertEqual(s, repr(float(s)))
+AssertionError: '8.72293771110361e+25' != '8.722937711103609e+25'
+
+
+test_math
+test test_math failed -- multiple errors occurred; run in verbose mode for deta
+
+=>
+
+runtests.sh -v test_math
+
+le01:~/tools/python3/Python-3.1.2# ./runtests.sh -v test_math
+test_math BAD
+ 1 BAD
+ 0 GOOD
+ 0 SKIPPED
+ 1 total
+le01:~/tools/python3/Python-3.1.2#
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