Developer Reference for Intel® oneAPI Math Kernel Library for C

ID 766684
Date 3/22/2024
Public

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Document Table of Contents

mkl_sparse_qr_reorder

Reordering step of SPARSE QR solver.

Syntax

sparse_status_t mkl_sparse_qr_reorder (sparse_matrix_t A, struct matrix_descr descr);

Include Files

  • mkl_sparse_qr.h

Description

The mkl_sparse_qr_reorder routine performs ordering and symbolic analysis of matrix A.

NOTE:
Currently, mkl_sparse_qr_reorder supports only general structure and CSR format for the input matrix.

Input Parameters

A

Handle containing a sparse matrix in an internal data structure.

descr

Structure specifying sparse matrix properties. Only the parameters listed here are currently supported.

Return Values

SPARSE_STATUS_SUCCESS
The operation was successful.
SPARSE_STATUS_NOT_INITIALIZED
The routine encountered an empty handle or matrix array.
SPARSE_STATUS_ALLOC_FAILED
Internal memory allocation failed.
SPARSE_STATUS_INVALID_VALUE
The input parameters contain an invalid value.
SPARSE_STATUS_EXECUTION_FAILED
Execution failed.
SPARSE_STATUS_INTERNAL_ERROR
An error in algorithm implementation occurred.
SPARSE_STATUS_NOT_SUPPORTED
The requested operation is not supported.