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52 lines
1.8 KiB
52 lines
1.8 KiB
9 years ago
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/** @file */
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/* The MIT License
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*
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* Copyright (c) 2008, Naotoshi Seo <sonots(at)sonots.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef CV_POINTNORM_INCLUDED
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#define CV_POINTNORM_INCLUDED
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#include "cv.h"
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#include "cvaux.h"
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#include "cxcore.h"
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#include <math.h>
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using namespace std;
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/**
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* Compute Norm between two points
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*
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* @param p1 A point 1
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* @param p2 A point 2
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* @param norm_type CV_L2 to compute L2 norm (euclidean distance)
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* CV_L1 to compute L1 norm (abs)
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* @return double
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*/
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CV_INLINE double cvPointNorm( CvPoint p1, CvPoint p2, int norm_type CV_DEFAULT(CV_L2) )
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{
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if( norm_type == CV_L1 )
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return abs( p2.x - p1.x ) + abs( p2.y - p1.y );
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else
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return sqrt( pow( (double)p2.x - p1.x, 2 ) + pow( (double)p2.y - p1.y, 2 ) );
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}
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#endif
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