54 lines
1.4 KiB
C++
54 lines
1.4 KiB
C++
//
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// ManhattanDistance.h
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// FastDTW-x
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//
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// Created by Melo Yao on 12/2/13.
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// Copyright (c) 2013 melo.yao. All rights reserved.
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//
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#ifndef __FastDTW_x__ManhattanDistance__
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#define __FastDTW_x__ManhattanDistance__
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#include "Foundation.h"
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#include <vector>
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#include "FDAssert.h"
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#include "TimeSeriesPoint.h"
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FD_NS_START
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class ManhattanDistance
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{
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public:
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ManhattanDistance()
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{
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}
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template <typename ValueType,JInt nDimension>
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ValueType calcDistance(const MeasurementVector<ValueType, nDimension>& v1, const MeasurementVector<ValueType, nDimension>& v2) const
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{
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FDASSERT0(v1.size()==v2.size(),"ERROR: cannot calculate the distance between vectors of different sizes.");
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ValueType diffSum = 0;
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size_t size = v1.size();
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for (size_t i = 0; i<size; ++i)
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{
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diffSum += abs(v1[i] - v2[i]);
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}
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return diffSum;
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}
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template <typename ValueType>
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ValueType calcDistance(const std::vector<ValueType>& v1, const std::vector<ValueType>& v2) const
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{
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FDASSERT0(v1.size()==v2.size(),"ERROR: cannot calculate the distance between vectors of different sizes.");
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ValueType diffSum = 0;
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size_t size = v1.size();
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for (size_t i = 0; i<size; ++i)
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{
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diffSum += abs(v1[i] - v2[i]);
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}
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return diffSum;
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}
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};
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FD_NS_END
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#endif /* defined(__FastDTW_x__ManhattanDistance__) */
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