I had the same two numerical noise type failures in matrix2.pyx and
expression.pyx, on an intel mac running 10.5.  Those were the only
failures.

-M. Hampton

On May 28, 6:04 am, Jaap Spies <j.sp...@hccnet.nl> wrote:
> Mike Hansen wrote:
> > Hello,
>
> > Sage 4.0.rc1 has been released.  This should hopefully take care of
> > the rest of the fallout from the switch to Pynac.  The tarball can be
> > found at
>
> >http://sage.math.washington.edu/home/mhansen/sage-4.0.rc1.tar
>
> > and a copy of it to be used for upgrading can be found at
>
> >http://sage.math.washington.edu/home/mhansen/release/4.0/rc1/sage-4.0...
>
> On Fedora 10, 32 bit, upgraded from rc0:
>
> ----------------------------------------------------------------------
> The following tests failed:
>
>         sage -t  "devel/sage/sage/matrix/matrix2.pyx"
>         sage -t  "devel/sage/sage/symbolic/expression.pyx"
>
> sage -t  "devel/sage/sage/matrix/matrix2.pyx"
> **********************************************************************
> File 
> "/home/jaap/Download/sage-4.0.alpha0/devel/sage/sage/matrix/matrix2.pyx", 
> line 4964:
>      sage: m.change_ring(CDF).eigenvalues() # again for display purposes
> Expected:
>      [10.463115298 - 4.98835989975e-16*I, 7.42365754809 - 
> 5.05298436852e-16*I, 3.36964641458 + 5.59670199836e-17*I, 1.25904669699 + 
> 4.34508443713e-17*I,
> 0.00689184179485 - 5.75358699674e-17*I, 0.330700789655 + 5.1816322259e-16*I]
> Got:
>      [10.463115298 - 4.46500755169e-16*I, 7.42365754809 + 
> 1.02246204259e-16*I, 3.36964641458 - 2.25910315504e-16*I, 1.25904669699 + 
> 7.13217318887e-17*I,
> 0.00689184179485 - 3.00110164897e-16*I, 0.330700789655 + 1.23712186398e-16*I]
> **********************************************************************
> 1 items had failures:
>     1 of  36 in __main__.example_81
>
> sage -t  "devel/sage/sage/symbolic/expression.pyx"
> **********************************************************************
> File 
> "/home/jaap/Download/sage-4.0.alpha0/devel/sage/sage/symbolic/expression.pyx",
>  line 4395:
>      sage: maxima('atanh(0.5)')
> Expected:
>      .5493061443340548
> Got:
>      .5493061443340549
> **********************************************************************
> File 
> "/home/jaap/Download/sage-4.0.alpha0/devel/sage/sage/symbolic/expression.pyx",
>  line 946:
>      sage: hash(x^y)
> Expected:
>      4043309056
> Got:
>      -251658240
> **********************************************************************
> 2 items had failures:
>     1 of   9 in __main__.example_115
>     1 of  14 in __main__.example_33
> ***Test Failed*** 2 failures.
>
> Same failures were in rc0
>
> Jaap
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