#! /usr/bin/env python

from __future__ import print_function
from openturns import *

TESTPREAMBLE()
RandomGenerator.SetSeed(0)

try:
    dimension = 2
    epsilon = NumericalPoint(dimension, 1e-4)
    x = NumericalPoint(dimension, 2.0)

    step = ConstantStep(epsilon)
    print('step type=', step.getClassName(), 'step value=', step(x))

    eta = NumericalPoint(dimension, 1.0)
    step = BlendedStep(epsilon, eta)
    print('step type=', step.getClassName(), 'step value=', step(x))

except:
    import sys
    print("t_FiniteDifferenceStep_std.py",
          sys.exc_info()[0], sys.exc_info()[1])