CVS testsuite failure erfi(-0.15) = 0.17



>>>>> "David" == David Billinghurst <dbmaxima at gmail.com> writes:

    David> On 4/06/2013 1:43 PM, Raymond Toy wrote:
    >> On 6/2/13 8:04 AM, David Billinghurst wrote:
    >>> I get a testsuite failure with CVS maxima under gcl/windows.
    >>> 
    >>> test is rtest_gamma problem 552 and it reduces to
    >>> 
    >>> (%i1) erfi(- 0.15);
    >>> (%o1)                          0.17053491636155
    >>> 
    >>> With maxima-5.30.0 and mma I get the opposite sign.
    >> Interesting.  With a pretty recent build, I get -0.17 using gcl on a
    >> sparc box. (The only machine I have that will run gcl.)
    >> 
    >> This is going to be difficult to work out.  Did you get this on with
    >> your windows installer?  If so, I'll have to try it there.
    >> 
    >> Ray
    >> 

    David> I don't see these with my windows installer for 5.30.0 - only with git head.

    David> I can do a binary search through the git tree to see when it started,
    David> and do some debugging.

That would be great.  I did a quick diff for changes between head and
5.30.0.  The erf routines haven't changed.

Ray