# Copyright 2017 Balazs Nemeth, Mark Szalay, Janos Doka
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import math
import random
import string
from abc import ABCMeta, abstractmethod
from collections import OrderedDict
from pprint import pformat

import numpy as N
from scipy.stats import norm

try:
  # runs when mapping files are called from ESCAPE
  from escape.nffg_lib.nffg import NFFG, NFFGToolBox
except ImportError:
  # runs when mapping repo is cloned individually, and NFFG lib is in a
  # sibling directory. WARNING: cicular import is not avioded by design.
  import site