[Octave-bug-tracker] [bug #38254] make check scripts/general/dblquad hangs

[Michael Godfrey]

URL:
  <http://savannah.gnu.org/bugs/?38254>

                 Summary: make check scripts/general/dblquad hangs
                 Project: GNU Octave
            Submitted by: godfrey
            Submitted on: Mon 04 Feb 2013 05:44:36 PM GMT
                Category: Interpreter
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Regression
                  Status: None
             Assigned to: None
         Originator Name: Michael Godfrey
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: GNU/Linux

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Details:

This test hangs (FC18, x86_64):

%% Nasty integrand to show quadcc off
%!assert (dblquad (@(x,y) 1 ./ (x+y), 0, 1, 0, 1), 2*log (2), 1e-6)

The other tests run normally.
I suspect that this is due to 

changeset:   15994:352ef2fb3ad1
user:        Rik <address@hidden>
date:        Sat Feb 02 15:30:53 2013 -0800
files:       libinterp/corefcn/quadcc.cc
description:
Temporary fix for stack overflows with quadcc

quadcc.cc: Reduce number of allowed singularities on integration path from
200
to 50.





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