Function _safe_svd

mne/fixes.py:120–136

Get around the SVD did not converge error of death.

(A, **kwargs)

def _safe_svd(A, **kwargs):
    """Get around the SVD did not converge error of death."""
    # Intel has a bug with their GESVD driver:
    #     https://software.intel.com/en-us/forums/intel-distribution-for-python/topic/628049  # noqa: E501
    # For SciPy 0.18 and up, we can work around it by using
    # lapack_driver='gesvd' instead.
    from scipy import linalg

    if kwargs.get("overwrite_a", False):
        raise ValueError("Cannot set overwrite_a=True with this function")
    try:
        return linalg.svd(A, **kwargs)
    except np.linalg.LinAlgError as exp:
        from .utils import warn

        warn(f"SVD error ({exp}), attempting to use GESVD instead of GESDD")
        return linalg.svd(A, lapack_driver="gesvd", **kwargs)


def _csc_array_cast(x):