starting-configuration.h File Reference

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Classes
struct	mps_starting_configuration
	This struct holds the information about the starting disposal of the approximations that has been obtained by the computation of the Newton polygon of the polynomial. More...

Macros
#define	MPS_STARTING_CONFIGURATION_INIT

Functions
void	mps_starting_configuration_clear (mps_context *ctx, mps_starting_configuration *c)
	Clear all the storage that has been allocated inside a starting configuration.
mps_starting_configuration	mps_fcompute_starting_radii (mps_context *s, int n, mps_cluster_item *cluster_item, double clust_rad, double g, rdpe_t eps, double fap[])
	Compute radii of the circles where the initial approximation will be disposed by mps_fstart().

Macro Definition Documentation

MPS_STARTING_CONFIGURATION_INIT

#define MPS_STARTING_CONFIGURATION_INIT

Value:

    { \
    .n_radii = 0,                           \
    .fradii = NULL,                         \
    .dradii = NULL,                         \
    .partitioning = NULL                    \
}

Function Documentation

mps_fcompute_starting_radii()

mps_starting_configuration mps_fcompute_starting_radii	(	mps_context *	s,
		int	n,
		mps_cluster_item *	cluster_item,
		double	clust_rad,
		double	g,
		rdpe_t	eps,
		double	fap[] )

Compute radii of the circles where the initial approximation will be disposed by mps_fstart().

Parameters

s	mps_context* stuct pointer.
n	number of roots in the cluster.
cluster_item	The element of the mps_clusterization of which we are computing the starting points, or NULL if we are computing the starting points for all the approximations.
clust_rad	radius of the cluster.
g	new gravity center where the polynomial has been shifted.
eps	out epsilon.
fap[]	Array with the moduli of the coefficients.

Returns

A mps_starting_configuration containing the necessary information to dispose the initial approximations on the circles.

See also

mps_fstart()

mps_starting_configuration_clear()

void mps_starting_configuration_clear	(	mps_context *	ctx,
		mps_starting_configuration *	c )

Clear all the storage that has been allocated inside a starting configuration.

Parameters

ctx	The current mps_context.
c	The mps_starting_configuration that should be cleared.