def METHOD_NAME(self):
    """Test interp3d with integer points coord"""
    data = numpy.arange(4**3, dtype=numpy.float64).reshape(4, 4, 4)
    points = numpy.array([(0., 0., 0.),
                          (0., 0., 1.),
                          (2., 3., 0.),
                          (3., 3., 3.)])
    ref_result = data[tuple(points.T.astype(numpy.int32))]
    for method in (u'linear', u'linear_omp'):
        with self.subTest(method=method):
            result = interpolate.interp3d(data, points, method=method)
            self.assertTrue(numpy.allclose(ref_result, result))