In article
In article <49E3D34E.8040705@trueblade.com>, Eric Smith
wrote: Before then, if anyone could build and test the py3k-short-float-repr branch on any of the following machines, that would be great:
[...]
Something bigendian, like a G4 Mac
I'll crank up some OS X installer builds and run them on G3 and G4 Macs vs 32-/64- Intel. Any tests of interest beyond the default regttest.py?
FIrst attempt was a fat (32-bit i386 and ppc) build on 10.5 targeted for 10.3 and above; this is the similar to recent python.org OSX installers. The good news: on 10.5 i386, running the default regrtest, no signficant differences were noted from an installer built from the current main py3k head. Bad news: the same build installed on a G4 running 10.5 hung hard in test_pow of test_builtin; a kill was needed to terminate python. Same results on a G3 running 10.4. nad@pbg4:/Library/Frameworks/Python.framework/Versions/3.1$ bin/python -S lib/python3.1/test/regrtest.py -s -v test_builtin test_builtin test_abs (test.test_builtin.BuiltinTest) ... ok test_all (test.test_builtin.BuiltinTest) ... ok test_any (test.test_builtin.BuiltinTest) ... ok test_ascii (test.test_builtin.BuiltinTest) ... ok test_bin (test.test_builtin.BuiltinTest) ... ok test_callable (test.test_builtin.BuiltinTest) ... ok test_chr (test.test_builtin.BuiltinTest) ... ok test_cmp (test.test_builtin.BuiltinTest) ... ok test_compile (test.test_builtin.BuiltinTest) ... ok test_delattr (test.test_builtin.BuiltinTest) ... ok test_dir (test.test_builtin.BuiltinTest) ... ok test_divmod (test.test_builtin.BuiltinTest) ... ok test_eval (test.test_builtin.BuiltinTest) ... ok test_exec (test.test_builtin.BuiltinTest) ... ok test_exec_redirected (test.test_builtin.BuiltinTest) ... ok test_filter (test.test_builtin.BuiltinTest) ... ok test_general_eval (test.test_builtin.BuiltinTest) ... ok test_getattr (test.test_builtin.BuiltinTest) ... ok test_hasattr (test.test_builtin.BuiltinTest) ... ok test_hash (test.test_builtin.BuiltinTest) ... ok test_hex (test.test_builtin.BuiltinTest) ... ok test_id (test.test_builtin.BuiltinTest) ... ok test_import (test.test_builtin.BuiltinTest) ... ok test_input (test.test_builtin.BuiltinTest) ... ok test_isinstance (test.test_builtin.BuiltinTest) ... ok test_issubclass (test.test_builtin.BuiltinTest) ... ok test_iter (test.test_builtin.BuiltinTest) ... ok test_len (test.test_builtin.BuiltinTest) ... ok test_map (test.test_builtin.BuiltinTest) ... ok test_max (test.test_builtin.BuiltinTest) ... ok test_min (test.test_builtin.BuiltinTest) ... ok test_neg (test.test_builtin.BuiltinTest) ... ok test_next (test.test_builtin.BuiltinTest) ... ok test_oct (test.test_builtin.BuiltinTest) ... ok test_open (test.test_builtin.BuiltinTest) ... ok test_ord (test.test_builtin.BuiltinTest) ... ok test_pow (test.test_builtin.BuiltinTest) ... ^CTerminated Stepping through some of test_pow from the interactive interpreter: Python 3.1a2+ (py3k-short-float-repr, Apr 13 2009, 20:55:35) [GCC 4.0.1 (Apple Inc. build 5490)] on darwin Type "help", "copyright", "credits" or "license" for more information.
pow(0,0) 1 <-- OK pow(2,30) 1073741824 <-- OK pow(0.,0) ^C^CTerminated <-- float argument => python hung in CPU loop, killed
Then I tried a couple of random floats: Python 3.1a2+ (py3k-short-float-repr, Apr 13 2009, 20:55:35) [GCC 4.0.1 (Apple Inc. build 5490)] on darwin Type "help", "copyright", "credits" or "license" for more information.
3.1 -9.255965342383856e+61 1. ^C Terminated <-- kill needed
The same tests work fine on the intel Mac. Just out of curiosity, I'll try to do the same build on the 10.4 ppc; there are occasionally a few differences noted in the build results. That won't be available until later today. -- Ned Deily, nad@acm.org