@Test
public void testInterpolate()
                        throws FileNotFoundException, URISyntaxException, XMLStreamException {

    loadCategorizeFromXml();
      interp.buildLookupArrays();
    LOG.debug( "Interpolate: {}", interp );
    test( -0.51 );
    test( 0 );
    test( 0.49 );
    test( 0.5 );
    test( 0.51 );
    test( 1 );
    test( 2 );
    test( 7 );
    test( 8 );
    test( 9 );
    test( 15 );
    test( 16 );
    test( 17 );
    test( 31 );
    test( 32 );
    test( 33 );
    test( 48 );
    test( 48.3 );
    test( 50 );
    test( 225 );
    test( 240 );
    test( 250 );
}