/usr/include/trilinos/klu2_defaults.hpp is in libtrilinos-amesos2-dev 12.10.1-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/* === KLU_defaults ========================================================= */
/* ========================================================================== */
// @HEADER
// ***********************************************************************
//
// KLU2: A Direct Linear Solver package
// Copyright 2011 Sandia Corporation
//
// Under terms of Contract DE-AC04-94AL85000, with Sandia Corporation, the
// U.S. Government retains certain rights in this software.
//
// 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
// USA
// Questions? Contact Mike A. Heroux (maherou@sandia.gov)
//
// KLU2 is derived work from KLU, licensed under LGPL, and copyrighted by
// University of Florida. The Authors of KLU are Timothy A. Davis and
// Eka Palamadai. See Doc/KLU_README.txt for the licensing and copyright
// information for KLU.
//
// ***********************************************************************
// @HEADER
/* Sets default parameters for KLU */
#ifndef KLU2_DEFAULTS_HPP
#define KLU2_DEFAULTS_HPP
#include "klu2_internal.h"
template <typename Entry, typename Int>
Int KLU_defaults
(
KLU_common<Entry, Int> *Common
)
{
if (Common == NULL)
{
return (FALSE) ;
}
/* parameters */
Common->tol = 0.001 ; /* pivot tolerance for diagonal */
Common->memgrow = 1.2; /* realloc size ratio increase for LU factors */
Common->initmem_amd = 1.2 ; /* init. mem with AMD: c*nnz(L) + n */
Common->initmem = 10 ; /* init. mem otherwise: c*nnz(A) + n */
Common->btf = TRUE ; /* use BTF pre-ordering, or not */
Common->maxwork = 0 ; /* no limit to work done by btf_order */
Common->ordering = 0 ; /* 0: AMD, 1: COLAMD, 2: user-provided P and Q,
* 3: user-provided function */
Common->scale = 2 ; /* scale: -1: none, and do not check for errors
* in the input matrix in KLU_refactor.
* 0: none, but check for errors,
* 1: sum, 2: max */
Common->halt_if_singular = TRUE ; /* quick halt if matrix is singular */
/* memory management routines */
Common->malloc_memory = malloc ;
Common->calloc_memory = calloc ;
Common->free_memory = free ;
Common->realloc_memory = realloc ;
/* user ordering function and optional argument */
Common->user_order = NULL ;
Common->user_data = NULL ;
/* statistics */
Common->status = KLU_OK ;
Common->nrealloc = 0 ;
Common->structural_rank = EMPTY ;
Common->numerical_rank = EMPTY ;
Common->noffdiag = EMPTY ;
Common->flops = EMPTY ;
Common->rcond = EMPTY ;
Common->condest = EMPTY ;
Common->rgrowth = EMPTY ;
Common->work = 0 ; /* work done by btf_order */
Common->memusage = 0 ;
Common->mempeak = 0 ;
return (TRUE) ;
}
#endif
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