PSturm.h File Reference

Go to the source code of this file.

Classes
struct	p
Defines
#define	PRINT_LEVEL   0
#define	MAX_ORDER   16
#define	MAXPOW   32
#define	SMALL_ENOUGH   1.0e-18
Typedefs
typedef p	poly
Functions
void	initialize_sturm (double *tol_secant, int *max_iter_sturm, int *max_iter_secant)
void	solve_sturm (int *p_order, int *n_root, double *poly_coeffs, double *roots)
double	hyper_tan (double a, double x)
static int	modp (poly *u, poly *v, poly *r)
int	buildsturm (int ord, poly *sseq)
int	numroots (int np, poly *sseq, int *atneg, int *atpos)
int	numchanges (int np, poly *sseq, double a)
void	sbisect (int np, poly *sseq, double min, double max, int atmin, int atmax, double *roots)
double	evalpoly (int ord, double *coef, double x)
int	modrf (int ord, double *coef, double a, double b, double *val)
Variables
double	RELERROR
int	MAXIT
int	MAX_ITER_SECANT

---

Define Documentation

#define MAX_ORDER   16

#define MAXPOW   32

#define PRINT_LEVEL   0

#define SMALL_ENOUGH   1.0e-18

---

Typedef Documentation

typedef struct p poly

---

Function Documentation

int buildsturm	(	int	ord,
		poly *	sseq
	)

double evalpoly	(	int	ord,
		double *	coef,
		double	x
	)

double hyper_tan	(	double	a,
		double	x
	)

void initialize_sturm	(	double *	tol_secant,
		int *	max_iter_sturm,
		int *	max_iter_secant
	)

static int modp	(	poly *	u,
		poly *	v,
		poly *	r
	)			[static]

int modrf	(	int	ord,
		double *	coef,
		double	a,
		double	b,
		double *	val
	)

int numchanges	(	int	np,
		poly *	sseq,
		double	a
	)

int numroots	(	int	np,
		poly *	sseq,
		int *	atneg,
		int *	atpos
	)

void sbisect	(	int	np,
		poly *	sseq,
		double	min,
		double	max,
		int	atmin,
		int	atmax,
		double *	roots
	)

void solve_sturm	(	int *	p_order,
		int *	n_root,
		double *	poly_coeffs,
		double *	roots
	)

---

Variable Documentation

int MAX_ITER_SECANT

int MAXIT

double RELERROR

---