PaStiX Handbook  6.2.1
core_drqrrt.c File Reference
#include "common.h"
#include <cblas.h>
#include <lapacke.h>
#include "common/frobeniusupdate.h"
#include "blend/solver.h"
#include "pastix_dcores.h"
#include "pastix_dlrcores.h"
#include "d_nan_check.h"

Go to the source code of this file.

Functions

int core_drqrrt (double tol, pastix_int_t maxrank, pastix_int_t nb, pastix_int_t m, pastix_int_t n, double *A, pastix_int_t lda, double *tau, double *B, pastix_int_t ldb, double *tau_b, double *work, pastix_int_t lwork, double normA)
 Compute a randomized QR factorization with rotation technique. More...
 
pastix_fixdbl_t core_dge2lr_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 -> d, Tue Apr 12 09:38:39 2022

Definition in file core_drqrrt.c.