[Numpy-discussion] Re: numarray

Jochen Küpper jochen at unc.edu
Mon Aug 19 09:34:02 CDT 2002


On Sun, 18 Aug 2002 08:21:20 -0400 Todd Miller wrote:

>> The following patch is required for Cygwin:
>> 
>> Index: Src/_chararraymodule.c
>> 
Todd> I'll apply this.

Applied.

>> ,----
>> | *****************************************************************
>> | Failure in example:
>> | array([1, 8, 100, 100], type=Int8) * array([1, 8, 100, -100], type=Int8)
>> | from line #1671 of numtest
>> | Expected:
>> | Warning: Encountered overflow(s)  in multiply
>> | array([   1,   64,  127, -128], type=Int8)
>> | Got: array([   1,   64,  127, -128], type=Int8)
>> | *****************************************************************
>> `----

Todd> This overflow exception issue came up earlier this year with
Todd> IRIX.  My guess is that the function int_overflow_error() in
Todd> codegenerator.py is not working correctly.  The suggested
Todd> temporary patch at the time was:

[patch against codegenerator.py]

Todd> If you try it out and it solves the problem for Cygwin, we
Todd> should probably change it universally.

No, it doesn't solve the problem.  I hope to find some time later this
week to look at it.

Greetings,
Jochen
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