4 ## Copyright (c) 2010-2017 Intel Corporation
6 ## Licensed under the Apache License, Version 2.0 (the "License");
7 ## you may not use this file except in compliance with the License.
8 ## You may obtain a copy of the License at
10 ## http://www.apache.org/licenses/LICENSE-2.0
12 ## Unless required by applicable law or agreed to in writing, software
13 ## distributed under the License is distributed on an "AS IS" BASIS,
14 ## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 ## See the License for the specific language governing permissions and
16 ## limitations under the License.
21 class TimeSeriesPoint:
22 def __init__(self, value, instant):
24 self._instant = instant;
32 def getRateOfChange(self, other):
33 diff = self.getValue() - other.getValue();
34 t_diff = self.getInstant() - other.getInstant();
36 if (diff == 0 or abs(t_diff) <= 0.00001):
39 return Decimal(diff)/t_diff