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matvec_clapack.c File Reference

#include <gandalf/linalg/matvec_clapack.h>
#include <gandalf/linalg/clapack.h>
#include <gandalf/linalg/mat_diagonal.h>
#include <gandalf/linalg/mat_triangular.h>
#include <gandalf/linalg/vec_gen.h>
#include <gandalf/common/compare.h>
#include <gandalf/common/allocate.h>
#include <gandalf/common/misc_error.h>

Functions

Gan_Bool gan_clapack_pptrf (Gan_SquMatrix *A, int *error_code)
 Function to apply the Cholesky LAPACK operation pptrf.

Gan_Bool gan_clapack_pptri (Gan_SquMatrix *A)
 Computes a symmetric matrix from its Cholesky factorisation.

Gan_Bool gan_clapack_getf2 (Gan_Matrix *A, long *ipiv, int *error_code)
 Function to apply the LU decomposition operation getf2.

Gan_Bool gan_clapack_getrf (Gan_Matrix *A, long *ipiv, int *error_code)
 Function to apply the LU decomposition operation getrf.

Gan_Bool gan_clapack_getri (Gan_Matrix *A, long *ipiv, double *work, unsigned long work_size)
 Computes a symmetric matrix from its Cholesky factorisation.

Gan_Bool gan_clapack_geqrf (Gan_Matrix *A, Gan_Vector *tau, double *work, unsigned long work_size)
 Apply the QR decomposition LAPACK operation geqrf.

Gan_Bool gan_clapack_gelqf (Gan_Matrix *A, Gan_Vector *tau, double *work, unsigned long work_size)
 Apply the LQ decomposition LAPACK operation gelqf.

Gan_Bool gan_clapack_orgqr (Gan_Matrix *A, Gan_Vector *tau, double *work, unsigned long work_size)
 Construct the orthogonal factor given a QR decomposition.

Gan_Bool gan_clapack_orglq (Gan_Matrix *A, Gan_Vector *tau, double *work, unsigned long work_size)
 Construct the orthogonal factor given an LQ decomposition.

Gan_Bool gan_clapack_gesv (Gan_Matrix *A, Gan_Matrix *B, long *ipiv)
 Solve matrix equation Solve matrix equation A*X=B for square matrix A.


Detailed Description

Module: CLAPACK wrapper functions (double precision)

Part of: Gandalf Library

Revision: Last edited: Author:

Copyright: (c) 2000 Imagineer Software Limited


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