core_zrqrrt.c File Reference

#include "common.h"
#include <cblas.h>
#include <lapacke.h>
#include "common/frobeniusupdate.h"
#include "blend/solver.h"
#include "pastix_zcores.h"
#include "pastix_zlrcores.h"
#include "z_nan_check.h"

Go to the source code of this file.

Functions
int	core_zrqrrt (double tol, pastix_int_t maxrank, pastix_int_t nb, pastix_int_t m, pastix_int_t n, pastix_complex64_t *A, pastix_int_t lda, pastix_complex64_t *tau, pastix_complex64_t *B, pastix_int_t ldb, pastix_complex64_t *tau_b, pastix_complex64_t *work, pastix_int_t lwork, double normA)
	Compute a randomized QR factorization with rotation technique.
pastix_fixdbl_t	core_zge2lr_rqrrt (int use_reltol, pastix_fixdbl_t tol, pastix_int_t rklimit, pastix_int_t m, pastix_int_t n, const void *A, pastix_int_t lda, pastix_lrblock_t *Alr)
	Convert a full rank matrix in a low rank matrix, using RQRRT.

Detailed Description

PaStiX Rank-revealing QR kernel based on randomization technique with rotation.

Copyright

2016-2024 Bordeaux INP, CNRS (LaBRI UMR 5800), Inria, Univ. Bordeaux. All rights reserved.

Version

6.4.0

Author

Esragul Korkmaz

Mathieu Faverge

Date

2024-07-05

Generated arithmetic file

from /builds/j2uR5rszh/0/solverstack/pastix/kernels/core_zrqrrt.c, normal z -> z, Fri Jul 25 09:29:45 2025

Definition in file core_zrqrrt.c.