{{alias}}( value )
    Tests if a value is a square matrix which is symmetric about its
    antidiagonal.

    Parameters
    ----------
    value: any
        Value to test.

    Returns
    -------
    bool: boolean
        Boolean indicating whether a value is a persymmetric matrix.

    Examples
    --------
    > var buf = [ 1, 2, 3, 1 ];
    > var sh = [ 2, 2 ];
    > var st = [ 2, 1 ];
    > var M = {{alias:@stdlib/ndarray/ctor}}( 'generic', buf, sh, st, 0, 'row-major' );
    > var bool = {{alias}}( M )
    true
    > bool = {{alias}}( [ 1, 2, 3, 4 ] )
    false
    > bool = {{alias}}( 3.14 )
    false
    > bool = {{alias}}( {} )
    false

    See Also
    --------