Function _mac_os_check

numpy/__init__.py:812–823

Quick Sanity check for Mac OS look for accelerate build bugs. Testing numpy polyfit calls init_dgelsd(LAPACK)

()

    del _sanity_check

    def _mac_os_check():
        """
        Quick Sanity check for Mac OS look for accelerate build bugs.
        Testing numpy polyfit calls init_dgelsd(LAPACK)
        """
        try:
            c = array([3., 2., 1.])
            x = linspace(0, 2, 5)
            y = polyval(c, x)
            _ = polyfit(x, y, 2, cov=True)
        except ValueError:
            pass

    if sys.platform == "darwin":
        from . import exceptions