vec.h File Reference

Class Vec: an Nx1 vector class. More...

#include <mc/mc_base.h>
#include <mc/mat.h>

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Classes
struct	sVec
	Contains public data memebers for Vec class. More...
Typedefs
typedef struct sVec	Vec
	Declaration of the Vec class as the Vec structure.
Functions
Vec *	Vec_ctor (Vmem *vmem, const char *name, int length)
	The vector constructor (data array malloc'd by us).
Vec *	Vec_ctor2 (Vmem *vmem, const char *name, int length, double *data)
	The vector constructor (data array passed in).
void	Vec_dtor (Vec **thee)
	The vector destructor.
int	Vec_len (Vec *thee)
	Length of a vector.
double *	Vec_addr (Vec *thee)
	Address of a vector data.
double	Vec_val (Vec *thee, int i)
	Return value of component of vector.
void	Vec_set (Vec *thee, int i, double val)
	Set value of component of vector.
double	Vec_nrm1 (Vec *thee)
	1-norm of a vector.
double	Vec_nrm2 (Vec *thee)
	2-norm of a vector.
double	Vec_nrm8 (Vec *thee)
	oo-norm of a vector.
double	Vec_dif1 (Vec *thee, Vec *s)
	1-norm of a vector.
double	Vec_dif2 (Vec *thee, Vec *s)
	2-norm of a vector.
double	Vec_dif8 (Vec *thee, Vec *s)
	oo-norm of a vector.
double	Vec_dot (Vec *thee, Vec *s)
	dot product of two vectors.
void	Vec_init (Vec *thee, double val)
	initialize a vector to be a constant.
void	Vec_scal (Vec *thee, double val)
	vector scale.
void	Vec_copy (Vec *thee, Vec *s)
	vector copy.
void	Vec_axpy (Vec *thee, Vec *s, double val)
	scalar times vector plus vector.
void	Vec_print (Vec *thee)
	print a vector.
void	Vec_printSp (Vec *thee, char *fname, int pflag)
	print a vector.
void	Vec_diagScale (Vec *thee, Mat *amat, Vec *f)
	Apply inverse of diagonal to a vector.
void	Vec_matvec (Vec *thee, Mat *amat, Vec *v, int key, int part)
	Matrix times vector.
void	Vec_smooth (Vec *thee, Mat *amat, Vec *f, Vec *w, int key, int ioflag, int meth, int adj, int itmax, double etol, double omega)
	Generic smoothing operator.
void	Vec_jac (Vec *thee, Mat *amat, Vec *f, Vec *w, int key, int ioflag, int itmax, double etol, double omega)
	Jacobi iteration.
void	Vec_gs (Vec *thee, Mat *amat, Vec *f, Vec *w, int key, int ioflag, int adj, int itmax, double etol)
	Gauss-Seidel iteration.
void	Vec_bnd (Vec *thee, Mat *mat, int key)
	Apply boundary condition.
void	Vec_absLog (Vec *thee, double val)
	Log of abs value of entries of block vector, shifted by < val >.

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Detailed Description

Class Vec: an Nx1 vector class.

Version:

Id

vec.h,v 1.21 2009/04/24 22:54:08 fetk Exp

Author:

Michael Holst

Attention:

 *
 * MC = < Manifold Code >
 * Copyright (C) 1994--2008 Michael Holst
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 *