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/*
 * Copyright 2014 NVIDIA Corporation.  All rights reserved.
 *
 * NOTICE TO LICENSEE:
 *
 * This source code and/or documentation ("Licensed Deliverables") are
 * subject to NVIDIA intellectual property rights under U.S. and
 * international Copyright laws.
 *
 * These Licensed Deliverables contained herein is PROPRIETARY and
 * CONFIDENTIAL to NVIDIA and is being provided under the terms and
 * conditions of a form of NVIDIA software license agreement by and
 * between NVIDIA and Licensee ("License Agreement") or electronically
 * accepted by Licensee.  Notwithstanding any terms or conditions to
 * the contrary in the License Agreement, reproduction or disclosure
 * of the Licensed Deliverables to any third party without the express
 * written consent of NVIDIA is prohibited.
 *
 * NOTWITHSTANDING ANY TERMS OR CONDITIONS TO THE CONTRARY IN THE
 * LICENSE AGREEMENT, NVIDIA MAKES NO REPRESENTATION ABOUT THE
 * SUITABILITY OF THESE LICENSED DELIVERABLES FOR ANY PURPOSE.  IT IS
 * PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY OF ANY KIND.
 * NVIDIA DISCLAIMS ALL WARRANTIES WITH REGARD TO THESE LICENSED
 * DELIVERABLES, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY,
 * NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE.
 * NOTWITHSTANDING ANY TERMS OR CONDITIONS TO THE CONTRARY IN THE
 * LICENSE AGREEMENT, IN NO EVENT SHALL NVIDIA BE LIABLE FOR ANY
 * SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, OR ANY
 * DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
 * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
 * OF THESE LICENSED DELIVERABLES.
 *
 * U.S. Government End Users.  These Licensed Deliverables are a
 * "commercial item" as that term is defined at 48 C.F.R. 2.101 (OCT
 * 1995), consisting of "commercial computer software" and "commercial
 * computer software documentation" as such terms are used in 48
 * C.F.R. 12.212 (SEPT 1995) and is provided to the U.S. Government
 * only as a commercial end item.  Consistent with 48 C.F.R.12.212 and
 * 48 C.F.R. 227.7202-1 through 227.7202-4 (JUNE 1995), all
 * U.S. Government End Users acquire the Licensed Deliverables with
 * only those rights set forth herein.
 *
 * Any use of the Licensed Deliverables in individual and commercial
 * software must include, in the user documentation and internal
 * comments to the code, the above Disclaimer and U.S. Government End
 * Users Notice.
 */

#if !defined(CUSOLVERSP_H_)
  #define CUSOLVERSP_H_

  #include "cusparse.h"
  #include "cublas_v2.h"
  #include "cusolver_common.h"

  #if defined(__cplusplus)
extern "C" {
  #endif /* __cplusplus */

  struct cusolverSpContext;
  typedef struct cusolverSpContext *cusolverSpHandle_t;

  struct csrqrInfo;
  typedef struct csrqrInfo *csrqrInfo_t;

  cusolverStatus_t CUSOLVERAPI cusolverSpCreate(cusolverSpHandle_t *handle);
  cusolverStatus_t CUSOLVERAPI cusolverSpDestroy(cusolverSpHandle_t handle);
  cusolverStatus_t CUSOLVERAPI
    cusolverSpSetStream(cusolverSpHandle_t handle, cudaStream_t streamId);
  cusolverStatus_t CUSOLVERAPI
    cusolverSpGetStream(cusolverSpHandle_t handle, cudaStream_t *streamId);

  cusolverStatus_t CUSOLVERAPI cusolverSpXcsrissymHost(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      nnzA,
    const cusparseMatDescr_t descrA,
    const int *              csrRowPtrA,
    const int *              csrEndPtrA,
    const int *              csrColIndA,
    int *                    issym);

  /* -------- GPU linear solver by LU factorization
   *       solve A*x = b, A can be singular
   * [ls] stands for linear solve
   * [v] stands for vector
   * [lu] stands for LU factorization
   */
  cusolverStatus_t CUSOLVERAPI cusolverSpScsrlsvluHost(
    cusolverSpHandle_t       handle,
    int                      n,
    int                      nnzA,
    const cusparseMatDescr_t descrA,
    const float *            csrValA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    const float *            b,
    float                    tol,
    int                      reorder,
    float *                  x,
    int *                    singularity);

  cusolverStatus_t CUSOLVERAPI cusolverSpDcsrlsvluHost(
    cusolverSpHandle_t       handle,
    int                      n,
    int                      nnzA,
    const cusparseMatDescr_t descrA,
    const double *           csrValA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    const double *           b,
    double                   tol,
    int                      reorder,
    double *                 x,
    int *                    singularity);

  cusolverStatus_t CUSOLVERAPI cusolverSpCcsrlsvluHost(
    cusolverSpHandle_t       handle,
    int                      n,
    int                      nnzA,
    const cusparseMatDescr_t descrA,
    const cuComplex *        csrValA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    const cuComplex *        b,
    float                    tol,
    int                      reorder,
    cuComplex *              x,
    int *                    singularity);

  cusolverStatus_t CUSOLVERAPI cusolverSpZcsrlsvluHost(
    cusolverSpHandle_t       handle,
    int                      n,
    int                      nnzA,
    const cusparseMatDescr_t descrA,
    const cuDoubleComplex *  csrValA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    const cuDoubleComplex *  b,
    double                   tol,
    int                      reorder,
    cuDoubleComplex *        x,
    int *                    singularity);

  /* -------- GPU linear solver by QR factorization
   *       solve A*x = b, A can be singular
   * [ls] stands for linear solve
   * [v] stands for vector
   * [qr] stands for QR factorization
   */
  cusolverStatus_t CUSOLVERAPI cusolverSpScsrlsvqr(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const float *            csrVal,
    const int *              csrRowPtr,
    const int *              csrColInd,
    const float *            b,
    float                    tol,
    int                      reorder,
    float *                  x,
    int *                    singularity);

  cusolverStatus_t CUSOLVERAPI cusolverSpDcsrlsvqr(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const double *           csrVal,
    const int *              csrRowPtr,
    const int *              csrColInd,
    const double *           b,
    double                   tol,
    int                      reorder,
    double *                 x,
    int *                    singularity);

  cusolverStatus_t CUSOLVERAPI cusolverSpCcsrlsvqr(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const cuComplex *        csrVal,
    const int *              csrRowPtr,
    const int *              csrColInd,
    const cuComplex *        b,
    float                    tol,
    int                      reorder,
    cuComplex *              x,
    int *                    singularity);

  cusolverStatus_t CUSOLVERAPI cusolverSpZcsrlsvqr(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const cuDoubleComplex *  csrVal,
    const int *              csrRowPtr,
    const int *              csrColInd,
    const cuDoubleComplex *  b,
    double                   tol,
    int                      reorder,
    cuDoubleComplex *        x,
    int *                    singularity);

  /* -------- CPU linear solver by QR factorization
   *       solve A*x = b, A can be singular
   * [ls] stands for linear solve
   * [v] stands for vector
   * [qr] stands for QR factorization
   */
  cusolverStatus_t CUSOLVERAPI cusolverSpScsrlsvqrHost(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const float *            csrValA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    const float *            b,
    float                    tol,
    int                      reorder,
    float *                  x,
    int *                    singularity);

  cusolverStatus_t CUSOLVERAPI cusolverSpDcsrlsvqrHost(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const double *           csrValA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    const double *           b,
    double                   tol,
    int                      reorder,
    double *                 x,
    int *                    singularity);

  cusolverStatus_t CUSOLVERAPI cusolverSpCcsrlsvqrHost(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const cuComplex *        csrValA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    const cuComplex *        b,
    float                    tol,
    int                      reorder,
    cuComplex *              x,
    int *                    singularity);

  cusolverStatus_t CUSOLVERAPI cusolverSpZcsrlsvqrHost(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const cuDoubleComplex *  csrValA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    const cuDoubleComplex *  b,
    double                   tol,
    int                      reorder,
    cuDoubleComplex *        x,
    int *                    singularity);

  /* -------- CPU linear solver by Cholesky factorization
   *       solve A*x = b, A can be singular
   * [ls] stands for linear solve
   * [v] stands for vector
   * [chol] stands for Cholesky factorization
   *
   * Only works for symmetric positive definite matrix.
   * The upper part of A is ignored.
   */
  cusolverStatus_t CUSOLVERAPI cusolverSpScsrlsvcholHost(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const float *            csrVal,
    const int *              csrRowPtr,
    const int *              csrColInd,
    const float *            b,
    float                    tol,
    int                      reorder,
    float *                  x,
    int *                    singularity);

  cusolverStatus_t CUSOLVERAPI cusolverSpDcsrlsvcholHost(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const double *           csrVal,
    const int *              csrRowPtr,
    const int *              csrColInd,
    const double *           b,
    double                   tol,
    int                      reorder,
    double *                 x,
    int *                    singularity);

  cusolverStatus_t CUSOLVERAPI cusolverSpCcsrlsvcholHost(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const cuComplex *        csrVal,
    const int *              csrRowPtr,
    const int *              csrColInd,
    const cuComplex *        b,
    float                    tol,
    int                      reorder,
    cuComplex *              x,
    int *                    singularity);

  cusolverStatus_t CUSOLVERAPI cusolverSpZcsrlsvcholHost(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const cuDoubleComplex *  csrVal,
    const int *              csrRowPtr,
    const int *              csrColInd,
    const cuDoubleComplex *  b,
    double                   tol,
    int                      reorder,
    cuDoubleComplex *        x,
    int *                    singularity);

  /* -------- GPU linear solver by Cholesky factorization
   *       solve A*x = b, A can be singular
   * [ls] stands for linear solve
   * [v] stands for vector
   * [chol] stands for Cholesky factorization
   *
   * Only works for symmetric positive definite matrix.
   * The upper part of A is ignored.
   */
  cusolverStatus_t CUSOLVERAPI cusolverSpScsrlsvchol(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const float *            csrVal,
    const int *              csrRowPtr,
    const int *              csrColInd,
    const float *            b,
    float                    tol,
    int                      reorder,
    // output
    float *x,
    int *  singularity);

  cusolverStatus_t CUSOLVERAPI cusolverSpDcsrlsvchol(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const double *           csrVal,
    const int *              csrRowPtr,
    const int *              csrColInd,
    const double *           b,
    double                   tol,
    int                      reorder,
    // output
    double *x,
    int *   singularity);

  cusolverStatus_t CUSOLVERAPI cusolverSpCcsrlsvchol(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const cuComplex *        csrVal,
    const int *              csrRowPtr,
    const int *              csrColInd,
    const cuComplex *        b,
    float                    tol,
    int                      reorder,
    // output
    cuComplex *x,
    int *      singularity);

  cusolverStatus_t CUSOLVERAPI cusolverSpZcsrlsvchol(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const cuDoubleComplex *  csrVal,
    const int *              csrRowPtr,
    const int *              csrColInd,
    const cuDoubleComplex *  b,
    double                   tol,
    int                      reorder,
    // output
    cuDoubleComplex *x,
    int *            singularity);

  /* ----------- CPU least square solver by QR factorization
   *       solve min|b - A*x|
   * [lsq] stands for least square
   * [v] stands for vector
   * [qr] stands for QR factorization
   */
  cusolverStatus_t CUSOLVERAPI cusolverSpScsrlsqvqrHost(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      n,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const float *            csrValA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    const float *            b,
    float                    tol,
    int *                    rankA,
    float *                  x,
    int *                    p,
    float *                  min_norm);

  cusolverStatus_t CUSOLVERAPI cusolverSpDcsrlsqvqrHost(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      n,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const double *           csrValA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    const double *           b,
    double                   tol,
    int *                    rankA,
    double *                 x,
    int *                    p,
    double *                 min_norm);

  cusolverStatus_t CUSOLVERAPI cusolverSpCcsrlsqvqrHost(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      n,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const cuComplex *        csrValA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    const cuComplex *        b,
    float                    tol,
    int *                    rankA,
    cuComplex *              x,
    int *                    p,
    float *                  min_norm);

  cusolverStatus_t CUSOLVERAPI cusolverSpZcsrlsqvqrHost(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      n,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const cuDoubleComplex *  csrValA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    const cuDoubleComplex *  b,
    double                   tol,
    int *                    rankA,
    cuDoubleComplex *        x,
    int *                    p,
    double *                 min_norm);

  /* --------- CPU eigenvalue solver by shift inverse
   *      solve A*x = lambda * x
   *   where lambda is the eigenvalue nearest mu0.
   * [eig] stands for eigenvalue solver
   * [si] stands for shift-inverse
   */
  cusolverStatus_t CUSOLVERAPI cusolverSpScsreigvsiHost(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const float *            csrValA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    float                    mu0,
    const float *            x0,
    int                      maxite,
    float                    tol,
    float *                  mu,
    float *                  x);

  cusolverStatus_t CUSOLVERAPI cusolverSpDcsreigvsiHost(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const double *           csrValA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    double                   mu0,
    const double *           x0,
    int                      maxite,
    double                   tol,
    double *                 mu,
    double *                 x);

  cusolverStatus_t CUSOLVERAPI cusolverSpCcsreigvsiHost(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const cuComplex *        csrValA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    cuComplex                mu0,
    const cuComplex *        x0,
    int                      maxite,
    float                    tol,
    cuComplex *              mu,
    cuComplex *              x);

  cusolverStatus_t CUSOLVERAPI cusolverSpZcsreigvsiHost(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const cuDoubleComplex *  csrValA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    cuDoubleComplex          mu0,
    const cuDoubleComplex *  x0,
    int                      maxite,
    double                   tol,
    cuDoubleComplex *        mu,
    cuDoubleComplex *        x);

  /* --------- GPU eigenvalue solver by shift inverse
   *      solve A*x = lambda * x
   *   where lambda is the eigenvalue nearest mu0.
   * [eig] stands for eigenvalue solver
   * [si] stands for shift-inverse
   */
  cusolverStatus_t CUSOLVERAPI cusolverSpScsreigvsi(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const float *            csrValA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    float                    mu0,
    const float *            x0,
    int                      maxite,
    float                    eps,
    float *                  mu,
    float *                  x);

  cusolverStatus_t CUSOLVERAPI cusolverSpDcsreigvsi(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const double *           csrValA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    double                   mu0,
    const double *           x0,
    int                      maxite,
    double                   eps,
    double *                 mu,
    double *                 x);

  cusolverStatus_t CUSOLVERAPI cusolverSpCcsreigvsi(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const cuComplex *        csrValA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    cuComplex                mu0,
    const cuComplex *        x0,
    int                      maxite,
    float                    eps,
    cuComplex *              mu,
    cuComplex *              x);

  cusolverStatus_t CUSOLVERAPI cusolverSpZcsreigvsi(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const cuDoubleComplex *  csrValA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    cuDoubleComplex          mu0,
    const cuDoubleComplex *  x0,
    int                      maxite,
    double                   eps,
    cuDoubleComplex *        mu,
    cuDoubleComplex *        x);

  // ----------- enclosed eigenvalues

  cusolverStatus_t CUSOLVERAPI cusolverSpScsreigsHost(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const float *            csrValA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    cuComplex                left_bottom_corner,
    cuComplex                right_upper_corner,
    int *                    num_eigs);

  cusolverStatus_t CUSOLVERAPI cusolverSpDcsreigsHost(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const double *           csrValA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    cuDoubleComplex          left_bottom_corner,
    cuDoubleComplex          right_upper_corner,
    int *                    num_eigs);

  cusolverStatus_t CUSOLVERAPI cusolverSpCcsreigsHost(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const cuComplex *        csrValA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    cuComplex                left_bottom_corner,
    cuComplex                right_upper_corner,
    int *                    num_eigs);

  cusolverStatus_t CUSOLVERAPI cusolverSpZcsreigsHost(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const cuDoubleComplex *  csrValA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    cuDoubleComplex          left_bottom_corner,
    cuDoubleComplex          right_upper_corner,
    int *                    num_eigs);

  /* --------- CPU symrcm
   *   Symmetric reverse Cuthill McKee permutation
   *
   */
  cusolverStatus_t CUSOLVERAPI cusolverSpXcsrsymrcmHost(
    cusolverSpHandle_t       handle,
    int                      n,
    int                      nnzA,
    const cusparseMatDescr_t descrA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    int *                    p);

  /* --------- CPU symmdq
   *   Symmetric minimum degree algorithm by quotient graph
   *
   */
  cusolverStatus_t CUSOLVERAPI cusolverSpXcsrsymmdqHost(
    cusolverSpHandle_t       handle,
    int                      n,
    int                      nnzA,
    const cusparseMatDescr_t descrA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    int *                    p);

  /* --------- CPU symmdq
   *   Symmetric Approximate minimum degree algorithm by quotient graph
   *
   */
  cusolverStatus_t CUSOLVERAPI cusolverSpXcsrsymamdHost(
    cusolverSpHandle_t       handle,
    int                      n,
    int                      nnzA,
    const cusparseMatDescr_t descrA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    int *                    p);

  /* --------- CPU metis
   *   symmetric reordering
   */
  cusolverStatus_t CUSOLVERAPI cusolverSpXcsrmetisndHost(
    cusolverSpHandle_t       handle,
    int                      n,
    int                      nnzA,
    const cusparseMatDescr_t descrA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    const int64_t *          options,
    int *                    p);

  /* --------- CPU zfd
   *  Zero free diagonal reordering
   */
  cusolverStatus_t CUSOLVERAPI cusolverSpScsrzfdHost(
    cusolverSpHandle_t       handle,
    int                      n,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const float *            csrValA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    int *                    P,
    int *                    numnz);

  cusolverStatus_t CUSOLVERAPI cusolverSpDcsrzfdHost(
    cusolverSpHandle_t       handle,
    int                      n,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const double *           csrValA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    int *                    P,
    int *                    numnz);

  cusolverStatus_t CUSOLVERAPI cusolverSpCcsrzfdHost(
    cusolverSpHandle_t       handle,
    int                      n,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const cuComplex *        csrValA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    int *                    P,
    int *                    numnz);

  cusolverStatus_t CUSOLVERAPI cusolverSpZcsrzfdHost(
    cusolverSpHandle_t       handle,
    int                      n,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const cuDoubleComplex *  csrValA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    int *                    P,
    int *                    numnz);

  /* --------- CPU permuation
   *   P*A*Q^T
   *
   */
  cusolverStatus_t CUSOLVERAPI cusolverSpXcsrperm_bufferSizeHost(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      n,
    int                      nnzA,
    const cusparseMatDescr_t descrA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    const int *              p,
    const int *              q,
    size_t *                 bufferSizeInBytes);

  cusolverStatus_t CUSOLVERAPI cusolverSpXcsrpermHost(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      n,
    int                      nnzA,
    const cusparseMatDescr_t descrA,
    int *                    csrRowPtrA,
    int *                    csrColIndA,
    const int *              p,
    const int *              q,
    int *                    map,
    void *                   pBuffer);

  /*
   *  Low-level API: Batched QR
   *
   */

  cusolverStatus_t CUSOLVERAPI cusolverSpCreateCsrqrInfo(csrqrInfo_t *info);

  cusolverStatus_t CUSOLVERAPI cusolverSpDestroyCsrqrInfo(csrqrInfo_t info);

  cusolverStatus_t CUSOLVERAPI cusolverSpXcsrqrAnalysisBatched(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      n,
    int                      nnzA,
    const cusparseMatDescr_t descrA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    csrqrInfo_t              info);

  cusolverStatus_t CUSOLVERAPI cusolverSpScsrqrBufferInfoBatched(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      n,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const float *            csrVal,
    const int *              csrRowPtr,
    const int *              csrColInd,
    int                      batchSize,
    csrqrInfo_t              info,
    size_t *                 internalDataInBytes,
    size_t *                 workspaceInBytes);

  cusolverStatus_t CUSOLVERAPI cusolverSpDcsrqrBufferInfoBatched(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      n,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const double *           csrVal,
    const int *              csrRowPtr,
    const int *              csrColInd,
    int                      batchSize,
    csrqrInfo_t              info,
    size_t *                 internalDataInBytes,
    size_t *                 workspaceInBytes);

  cusolverStatus_t CUSOLVERAPI cusolverSpCcsrqrBufferInfoBatched(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      n,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const cuComplex *        csrVal,
    const int *              csrRowPtr,
    const int *              csrColInd,
    int                      batchSize,
    csrqrInfo_t              info,
    size_t *                 internalDataInBytes,
    size_t *                 workspaceInBytes);

  cusolverStatus_t CUSOLVERAPI cusolverSpZcsrqrBufferInfoBatched(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      n,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const cuDoubleComplex *  csrVal,
    const int *              csrRowPtr,
    const int *              csrColInd,
    int                      batchSize,
    csrqrInfo_t              info,
    size_t *                 internalDataInBytes,
    size_t *                 workspaceInBytes);

  cusolverStatus_t CUSOLVERAPI cusolverSpScsrqrsvBatched(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      n,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const float *            csrValA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    const float *            b,
    float *                  x,
    int                      batchSize,
    csrqrInfo_t              info,
    void *                   pBuffer);

  cusolverStatus_t CUSOLVERAPI cusolverSpDcsrqrsvBatched(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      n,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const double *           csrValA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    const double *           b,
    double *                 x,
    int                      batchSize,
    csrqrInfo_t              info,
    void *                   pBuffer);

  cusolverStatus_t CUSOLVERAPI cusolverSpCcsrqrsvBatched(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      n,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const cuComplex *        csrValA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    const cuComplex *        b,
    cuComplex *              x,
    int                      batchSize,
    csrqrInfo_t              info,
    void *                   pBuffer);

  cusolverStatus_t CUSOLVERAPI cusolverSpZcsrqrsvBatched(
    cusolverSpHandle_t       handle,
    int                      m,
    int                      n,
    int                      nnz,
    const cusparseMatDescr_t descrA,
    const cuDoubleComplex *  csrValA,
    const int *              csrRowPtrA,
    const int *              csrColIndA,
    const cuDoubleComplex *  b,
    cuDoubleComplex *        x,
    int                      batchSize,
    csrqrInfo_t              info,
    void *                   pBuffer);

  #if defined(__cplusplus)
}
  #endif /* __cplusplus */

#endif // define CUSOLVERSP_H_