[Octave-bug-tracker] [bug #36137] Running 'test dassl.cc' twice creates unrecoverable error

[Rik]

URL:
  <http://savannah.gnu.org/bugs/?36137>

                 Summary: Running 'test dassl.cc' twice creates unrecoverable
error
                 Project: GNU Octave
            Submitted by: rik5
            Submitted on: Sun 08 Apr 2012 09:45:03 PM PDT
                Category: Libraries
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Crash
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: GNU/Linux

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Details:

When using run-octave in a development directory, executing 'test dassl.cc'
creates an unrecoverable error.

Test code:


test dassl.cc
PASSES 4 out of 4 tests
test dassl.cc

test dassl.cc
 ***MESSAGE FROM ROUTINE DDASSL IN LIBRARY SLATEC.
 ***POTENTIALLY RECOVERABLE ERROR, PROG ABORTED, TRACEBACK REQUESTED
 *  AT T =    0.000000D+00  AND STEPSIZE H =    3.925231D-18  THE ITERATION
 *  MATRIX IS SINGULAR
 *  ERROR NUMBER = -8
 *   
 ***END OF MESSAGE
 
 ***JOB ABORT DUE TO UNRECOVERED ERROR.
0          ERROR MESSAGE SUMMARY
 LIBRARY    SUBROUTINE MESSAGE START             NERR     LEVEL     COUNT
 SLATEC     DDASSL     AT T =    0.000000D+        -8         1         1

  ***** test

 x0 = [1; 0];
 xdot0 = [-10; 10];
 t = (0:0.2:1)';

 tol = 500 * dassl_options ("relative tolerance");

 [x, xdot] = dassl ("__f", x0, xdot0, t);

 y = [exp(-10*t), 1-exp(-10*t)];

 assert (x, y, tol);
!!!!! test failed
exception encountered in Fortran subroutine ddassl_







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