PaStiX Handbook  6.2.1
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. More...
 
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. More...
 

Detailed Description

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

Version
6.0.3
Author
Esragul Korkmaz
Mathieu Faverge
Date
2019-11-12
Generated arithmetic file\n from /builds/solverstack/pastix/kernels/core_zrqrrt.c, normal z -> z, Tue Apr 12 09:38:39 2022

Definition in file core_zrqrrt.c.