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src

disl.c File Reference

Interface to direct solvers form lapack and UMFPACK. More...

#include "disl.h"

Functions

void disl_solve_upper_right_f (const ME_MATRIX *R, const VECTOR *b, VECTOR *x)
 R x = b.
VECTOR * disl_solve_upper_right (const ME_MATRIX *R, const VECTOR *b)
 R x = b.
VECTOR * disl_LU_solve (const ME_MATRIX *A, const VECTOR *b)
 A x = b.
VECTOR * disl_umfpack (const ME_MATRIX *M, const VECTOR *b)

Detailed Description

Interface to direct solvers form lapack and UMFPACK.

Author:
Joerg Frochte

Function Documentation

VECTOR* disl_LU_solve (  const ME_MATRIX *  A,
const VECTOR *  b
) 
 

A x = b.

Warning:
This function is based on the lapack-function dgesv and so it is not practical for a great, sparce matrix.
In this case try SuperLU or a iterative method like gmres.

VECTOR* disl_solve_upper_right (  const ME_MATRIX *  R,
const VECTOR *  b
) 
 

R x = b.

void disl_solve_upper_right_f (  const ME_MATRIX *  R,
const VECTOR *  b,
VECTOR *  x
) 
 

R x = b.

Todo:
'quick and dirty' . Not optimized for the different matrix types.

VECTOR* disl_umfpack (  const ME_MATRIX *  M,
const VECTOR *  b
) 
 

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