{Reposted from a previous message}

I got an error while compile OSG out of cvs with Cygwin. I went ahead and
did a 'make -k', to let it keep going, to see what other errors there are.
The 'isnan' error showed up a numebr of times. That looked like it.

        ../../../include/osg/Math: In function `bool osg::isNaN(float)':
        ../../../include/osg/Math:200: error: `isnan' undeclared (first use
this function)

Ideas on fixing this?  I reinstalled the math package from the Cygwin
installation, thinking that maybe I didn't install everything. That wasn't
it. I read in the ChangeLog something about cmath. I tried to include that
in Math, but that didn't help either.

Ideas on how to fix THIS problem?

Thanks so much for helping,
Bill

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