#include <linexi2.h>

Inheritance diagram for Heed::linexi2:

Public Member Functions
	linexi2 (const linexi2_coor &lc, const double *fay)

	linexi2 (const long fqlr, const double fax, const double fay)

linexi2 &	operator= (linexi2 &lx)

	linexi2 (linexi2 &lx)

double	line (const double x)

Public Member Functions inherited from Heed::linexi2_coor
	linexi2_coor (const long fqlr, const double *fax)

	linexi2_coor (const linexi2_coor &lc)

linexi2_coor &	operator= (const linexi2_coor &lc)

Public Attributes
const double *	ay

double	y_mean

double	xy_mean

double	a

double	b

Public Attributes inherited from Heed::linexi2_coor
long	qlr

const double *	ax

double	x_mean

double	Dx

Detailed Description

Definition at line 41 of file linexi2.h.

Constructor & Destructor Documentation

◆ linexi2() [1/3]

Heed::linexi2::linexi2	(	const linexi2_coor &	lc,
		const double *	fay
	)

Definition at line 34 of file linexi2.cpp.

    : linexi2_coor(lc), ay(fay) {
  y_mean = 0;
  xy_mean = 0;
  for (long n = 0; n < qlr; n++) {
    y_mean += ay[n];
    xy_mean += ax[n] * ay[n];
  }
  y_mean /= qlr;
  xy_mean /= qlr;
  if (Dx > 0)
    a = (xy_mean - x_mean * y_mean) / Dx;
  else
    a = DBL_MAX;
  b = y_mean - a * x_mean;
}

◆ linexi2() [2/3]

Heed::linexi2::linexi2	(	const long	fqlr,
		const double *	fax,
		const double *	fay
	)

Definition at line 50 of file linexi2.cpp.

    : linexi2_coor(fqlr, fax), ay(fay) {
  y_mean = 0;
  xy_mean = 0;
  for (long n = 0; n < qlr; n++) {
    y_mean += ay[n];
    xy_mean += ax[n] * ay[n];
  }
  y_mean /= qlr;
  xy_mean /= qlr;
  if (Dx > 0)
    a = (xy_mean - x_mean * y_mean) / Dx;
  else
    a = DBL_MAX;
  b = y_mean - a * x_mean;
}

◆ linexi2() [3/3]

Heed::linexi2::linexi2 ( linexi2 & lx )

inline

Definition at line 59 of file linexi2.h.

                       : linexi2_coor(lx) {
    ay = lx.ay;
    y_mean = lx.y_mean;
    xy_mean = lx.xy_mean;
    a = lx.a;
    b = lx.b;
  }

Member Function Documentation

◆ line()

double Heed::linexi2::line ( const double x )

inline

Definition at line 66 of file linexi2.h.

66{ return a * x + b; }

Referenced by Heed::straight::straight().

◆ operator=()

linexi2 & Heed::linexi2::operator= ( linexi2 & lx )

inline

Definition at line 50 of file linexi2.h.

                                  {
    *((linexi2_coor*)this) = (linexi2_coor&)lx;
    ay = lx.ay;
    y_mean = lx.y_mean;
    xy_mean = lx.xy_mean;
    a = lx.a;
    b = lx.b;
    return *this;
  }