/usr/include/trilinos/vars.h is in libtrilinos-dev 10.4.0.dfsg-1ubuntu2.
This file is owned by root:root, with mode 0o644.
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// @HEADER
// ***********************************************************************
//
// Pliris: Parallel Dense Solver Package
// Copyright (2004) Sandia Corporation
//
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
//
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA
// Questions? Contact Michael A. Heroux (maherou@sandia.gov)
//
// ***********************************************************************
// @HEADER
*/
#ifndef __VARSH__
#define __VARSH__
#include "defines.h"
int me; /* processor id information */
int nprocs_cube; /* num of procs in the allocated cube */
int nprocs_row; /* num of procs to which a row is assigned */
int nprocs_col; /* num of procs to which a col is assigned */
int max_procs; /* max num of procs in any dimension */
int nrows_matrix; /* number of rows in the matrix */
int ncols_matrix; /* number of cols in the matrix */
int matrix_size; /* order of matrix=nrows_matrix=ncols_matrix */
int my_first_row; /* proc position in a row */
int my_first_col; /* proc position in a col */
int my_rows; /* num of rows I own */
int my_cols; /* num of cols I own */
int my_cols_last;
int my_cols_seg; /* vars for compatibility with init */
int ncols_last;
int nrhs; /* number of right hand sides in the matrix */
int my_rhs; /* number of right hand sides that I own */
int mat_stride; /* stride to second dimension of mat */
int col1_stride; /* stride to second dimension of col1 */
int row1_stride; /* stride to second dimension of row1 */
DATA_TYPE *mat; /* incore storage for col being factored */
DATA_TYPE *rhs; /* storage for right hand sides */
DATA_TYPE *col1; /* ptrs to col used for updating a col */
DATA_TYPE *col2; /* ptr to col received in message buf */
DATA_TYPE *row1; /* ptr to diagonal row */
DATA_TYPE *row2; /* ptr to pivot row */
DATA_TYPE *row3;
DATA_TYPE *rhs_temp;
/* ptr to row used for pivots */
int *pivot_vec; /* stores pivot information */
int blksz; /* block size for BLAS 3 operations */
int rhs_blksz; /* agglomeration block size for backsolve */
int colcnt; /* number of columns stored for BLAS 3 ops */
int myrow,mycol;
MPI_Comm row_comm,col_comm;
/* volatile int MSPLIT; ZGEMM splitting parameter */
#endif
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