48 lines
1.7 KiB
C++
48 lines
1.7 KiB
C++
/*
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* Licensed to Green Energy Corp (www.greenenergycorp.com) under one or
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* more contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright ownership.
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* Green Energy Corp licenses this file to you under the Apache License,
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* Version 2.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* This project was forked on 01/01/2013 by Automatak, LLC and modifications
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* may have been made to this file. Automatak, LLC licenses these modifications
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* to you under the terms of the License.
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*/
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#ifndef OPENDNP3_EVENTTRIGGERS_H
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#define OPENDNP3_EVENTTRIGGERS_H
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#include "opendnp3/app/BaseMeasurementTypes.h"
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namespace opendnp3
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{
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namespace measurements
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{
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template <class T, class U>
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bool IsEvent(const T& val1, const T& val2, T deadband)
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{
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// T can be unsigned data type so std::abs won't work since it only directly supports signed data types
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// If one uses std::abs and T is unsigned one will get an ambiguous override error.
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U diff = (val2 > val1) ? (static_cast<U>(val2) - static_cast<U>(val1)) : (static_cast<U>(val1) - static_cast<U>(val2));
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return diff > deadband;
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}
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bool IsEvent(const TypedMeasurement<double>& newMeas, const TypedMeasurement<double>& oldMeas, double deadband);
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}
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}
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#endif
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