/usr/include/ossim/base/ossim2dLinearRegression.h is in libossim-dev 1.7.21-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 | //*******************************************************************
//
// License: See top level LICENSE.txt file.
//
// Author: Garrett Potts (gpotts@imagelinks)
//
//*************************************************************************
// $Id: ossim2dLinearRegression.h 9968 2006-11-29 14:01:53Z gpotts $
#ifndef ossim2dLinearRegression_HEADER
#define ossim2dLinearRegression_HEADER
#include <ossim/base/ossimDpt.h>
#include <vector>
#include <iostream>
class ossim2dLinearRegression
{
public:
friend std::ostream& operator <<(std::ostream& out, const ossim2dLinearRegression& data)
{
out << "y = " << data.theSlope << "*x + " << data.theIntercept;
return out;
}
ossim2dLinearRegression();
void getEquation(double& slope,
double& intercept)
{
slope = theSlope;
intercept = theIntercept;
}
void addPoint(const ossimDpt& pt)
{
// thePoints.push_back(pt);
++theNumberOfPoints;
theSumX += pt.x;
theSumY += pt.y;
theSumXX += pt.x*pt.x;
theSumYY += pt.y*pt.y;
theSumXY += pt.x*pt.y;
theSolvedFlag = false;
}
void clear()
{
// thePoints.clear();
theNumberOfPoints = 0;
theSumX = 0.0;
theSumXX = 0.0;
theSumY = 0.0;
theSumYY = 0.0;
theIntercept = 0.0;
theSlope = 0.0;
theSumXY = 0.0;
theSolvedFlag = false;
}
void solve();
ossim_uint32 getNumberOfPoints()const
{
return theNumberOfPoints;
// return thePoints.size();
}
protected:
// std::vector<ossimDpt> thePoints;
ossim_uint32 theNumberOfPoints;
double theSumX;
double theSumY;
double theSumXX;
double theSumYY;
double theSumXY;
double theIntercept;
double theSlope;
bool theSolvedFlag;
};
#endif
|