poly_roots.cpp File Reference

#include "math-precomp.h"
#include <mrpt/math/poly_roots.h>
#include <cmath>

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Macros
#define	TwoPi   6.28318530717958648
#define	SWAP(a, b)
#define	F5(t)   (((((t + a) * t + b) * t + c) * t + d) * t + e)

Functions
void	CSqrt (double x, double y, double &a, double &b)
int	SolveP4Bi (double *x, double b, double d)
static void	dblSort3 (double &a, double &b, double &c)
int	SolveP4De (double *x, double b, double c, double d)
double	N4Step (double x, double a, double b, double c, double d)
static double	SolveP5_1 (double a, double b, double c, double d, double e)

Variables
const double	eps = 1e-14

Macro Definition Documentation

F5

#define F5

(

t

)

(((((t + a) * t + b) * t + c) * t + d) * t + e)

Definition at line 294 of file poly_roots.cpp.

SWAP

#define SWAP	(		a,
			b
	)

Value:

        {              \
                t = b;     \
                b = a;     \
                a = t;     \
        }

Definition at line 142 of file poly_roots.cpp.

TwoPi

#define TwoPi   6.28318530717958648

Definition at line 21 of file poly_roots.cpp.

Function Documentation

CSqrt()

void CSqrt	(	double	x,
		double	y,
		double &	a,
		double &	b
	)

Definition at line 70 of file poly_roots.cpp.

Referenced by SolveP4Bi(), and SolveP4De().

dblSort3()

static void dblSort3 ( double &  a, double &  b, double &  c  )

static

Definition at line 148 of file poly_roots.cpp.

References SWAP.

Referenced by SolveP4De().

N4Step()

double N4Step	(	double	x,
		double	a,
		double	b,
		double	c,
		double	d
	)

Definition at line 240 of file poly_roots.cpp.

Referenced by mrpt::math::solve_poly4().

SolveP4Bi()

int SolveP4Bi	(	double *	x,
		double	b,
		double	d
	)

Definition at line 95 of file poly_roots.cpp.

References CSqrt().

Referenced by SolveP4De().

SolveP4De()

int SolveP4De	(	double *	x,
		double	b,
		double	c,
		double	d
	)

Definition at line 159 of file poly_roots.cpp.

References CSqrt(), dblSort3(), mrpt::math::solve_poly3(), and SolveP4Bi().

Referenced by mrpt::math::solve_poly4().

SolveP5_1()

static double SolveP5_1 ( double  a, double  b, double  c, double  d, double  e  )

static

Definition at line 296 of file poly_roots.cpp.

References eps, and F5.

Referenced by mrpt::math::solve_poly5().

Variable Documentation

eps

const double eps = 1e-14

Definition at line 22 of file poly_roots.cpp.

Referenced by mrpt::math::solve_poly2(), mrpt::math::solve_poly3(), and SolveP5_1().