mat_triangular.h File Reference

#include <gandalf/linalg/mat_square.h>

Go to the source code of this file.

Functions
Gan_SquMatrix *	gan_ltmat_set_size (Gan_SquMatrix *L, unsigned long size)
	Set square matrix to be lower triangular with given size.
Gan_SquMatrix *	gan_utmat_set_size (Gan_SquMatrix *U, unsigned long size)
	Set square matrix to be upper triangular with given size.
Gan_SquMatrix *	gan_ltmat_fill_va (Gan_SquMatrix *L, unsigned long size,...)
	Fill a lower triangular matrix with values.
Gan_SquMatrix *	gan_utmat_fill_va (Gan_SquMatrix *U, unsigned long size,...)
	Fill an upper triangular matrix with values.
Gan_SquMatrix *	gan_ltmat_fill_const_q (Gan_SquMatrix *L, unsigned long size, double value)
	Fill a lower triangular matrix with a constant value.
Gan_SquMatrix *	gan_utmat_fill_const_q (Gan_SquMatrix *U, unsigned long size, double value)
	Fill a upper triangular matrix with a constant value.
Gan_Bool	gan_ltmat_read_va (const Gan_SquMatrix *L, unsigned long size,...)
	Read the elements of a lower triangular matrix into pointers.
Gan_Bool	gan_utmat_read_va (const Gan_SquMatrix *U, unsigned long size,...)
	Read the elements of an upper triangular matrix into pointers.
Gan_SquMatrix *	gan_ltmat_alloc (unsigned long size)
	Macro: Allocate and return a lower triangular matrix.
Gan_SquMatrix *	gan_ltmat_form (Gan_SquMatrix *A, unsigned long size)
	Macro: Form and return a lower triangular matrix.
Gan_SquMatrix *	gan_ltmat_form_data (Gan_SquMatrix *A, unsigned long size, double *data, size_t data_size)
	Macro: Form and return a square lower triangular matrix.
Gan_SquMatrix *	gan_utmat_alloc (unsigned long size)
	Macro: Allocate and return a upper triangular matrix.
Gan_SquMatrix *	gan_utmat_form (Gan_SquMatrix *A, unsigned long size)
	Macro: Form and return a upper triangular matrix.
Gan_SquMatrix *	gan_utmat_form_data (Gan_SquMatrix *A, unsigned long size, void *data, size_t data_size)
	Macro: Form and return a square upper triangular matrix.
Gan_SquMatrix *	gan_ltmat_fill_const_s (unsigned long size, double value)
	Macro: Allocates a lower triangular matrix and fills it with a value.
Gan_SquMatrix *	gan_ltmat_fill_zero_q (Gan_SquMatrix *A, unsigned long size)
	Macro: Sets the size of lower triangular matrix and fills it with zero.
Gan_SquMatrix *	gan_ltmat_fill_zero_s (unsigned long size)
	Macro: Allocates a lower triangular matrix and fills it with zero.
Gan_SquMatrix *	gan_utmat_fill_const_s (unsigned long size, double value)
	Macro: Allocates an upper triangular matrix and fills it with a value.
Gan_SquMatrix *	gan_utmat_fill_zero_q (Gan_SquMatrix *A, unsigned long size)
	Macro: Sets the size of upper triangular matrix and fills it with zero.
Gan_SquMatrix *	gan_utmat_fill_zero_s (unsigned long size)
	Macro: Allocates an upper triangular matrix and fills it with zero.
Gan_SquMatrix *	gan_ltmat_form_gen (Gan_SquMatrix *A, unsigned long size, double *data, size_t data_size)
Gan_SquMatrix *	gan_utmat_form_gen (Gan_SquMatrix *A, unsigned long size, double *data, size_t data_size)
Gan_SquMatrix *	gan_ltmat_fill_vap (Gan_SquMatrix *L, unsigned long size, va_list *aptr)
	Fills a lower triangular matrix with values.
Gan_SquMatrix *	gan_utmat_fill_vap (Gan_SquMatrix *U, unsigned long size, va_list *aptr)
	Fills an upper triangular matrix with values.

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Detailed Description

Module: Lower/upper triangular matrices (double precision)

Part of: Gandalf Library

Version:

1.18

Date:

2005/08/22 08:52:18

Author:

jps

Copyright: (c) 2000 Imagineer Software Limited

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