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/*
Copyright (C) 2004, 2005, 2006, 2007 David Bateman
Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004 Andy Adler
This file is part of Octave.
Octave is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 3 of the License, or (at your
option) any later version.
Octave 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 General Public License
for more details.
You should have received a copy of the GNU General Public License
along with Octave; see the file COPYING. If not, see
<http://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "lo-error.h"
#include "lo-ieee.h"
#include "oct-spparms.h"
octave_sparse_params *octave_sparse_params::instance = 0;
bool
octave_sparse_params::instance_ok (void)
{
bool retval = true;
if (! instance)
instance = new octave_sparse_params ();
if (! instance)
{
(*current_liboctave_error_handler)
("unable to create octave_sparse_params object!");
retval = false;
}
return retval;
}
void
octave_sparse_params::defaults (void)
{
if (instance_ok ())
instance->do_defaults ();
}
void
octave_sparse_params::tight (void)
{
if (instance_ok ())
instance->do_tight ();
}
string_vector
octave_sparse_params::get_keys (void)
{
return instance_ok () ? instance->do_get_keys () : string_vector ();
}
ColumnVector
octave_sparse_params::get_vals (void)
{
return instance_ok () ? instance->do_get_vals () : ColumnVector ();
}
bool
octave_sparse_params::set_vals (const NDArray& vals)
{
return instance_ok () ? instance->do_set_vals (vals) : false;
}
bool
octave_sparse_params::set_key (const std::string& key, const double& val)
{
return instance_ok () ? instance->do_set_key (key, val) : false;
}
double
octave_sparse_params::get_key (const std::string& key)
{
return instance_ok () ? instance->do_get_key (key) : octave_NaN;
}
double
octave_sparse_params::get_bandden (void)
{
return instance_ok () ? instance->do_get_bandden () : 0.0;
}
void
octave_sparse_params::print_info (std::ostream& os, const std::string& prefix)
{
if (instance_ok ())
instance->do_print_info (os, prefix);
}
void
octave_sparse_params::do_defaults (void)
{
params(0) = 0; // spumoni
params(1) = 1; // ths_rel
params(2) = 1; // ths_abs
params(3) = 0; // exact_d
params(4) = 3; // supernd
params(5) = 3; // rreduce
params(6) = 0.5; // wh_frac
params(7) = 1; // autommd
params(8) = 1; // autoamd
params(9) = 0.1; // piv_tol
params(10) = 0.5; // bandden
params(11) = 1; // umfpack
}
void
octave_sparse_params::do_tight (void)
{
params(0) = 0; // spumoni
params(1) = 1; // ths_rel
params(2) = 0; // ths_abs
params(3) = 1; // exact_d
params(4) = 1; // supernd
params(5) = 1; // rreduce
params(6) = 0.5; // wh_frac
params(7) = 1; // autommd
params(8) = 1; // autoamd
params(9) = 0.1; // piv_tol
params(10) = 0.5; // bandden
params(11) = 1; // umfpack
}
void
octave_sparse_params::init_keys (void)
{
keys(0) = "spumoni";
keys(1) = "ths_rel";
keys(2) = "ths_abs";
keys(3) = "exact_d";
keys(4) = "supernd";
keys(5) = "rreduce";
keys(6) = "wh_frac";
keys(7) = "autommd";
keys(8) = "autoamd";
keys(9) = "piv_tol";
keys(10) = "bandden";
keys(11) = "umfpack";
}
double
octave_sparse_params::do_get_bandden (void)
{
return params(10);
}
bool
octave_sparse_params::do_set_vals (const NDArray& vals)
{
octave_idx_type len = vals.length ();
if (len > OCTAVE_SPARSE_CONTROLS_SIZE)
{
(*current_liboctave_error_handler)
("octave_sparse_params::do_set_vals: too many values");
return false;
}
else
{
for (int i = 0; i < len; i++)
params(i) = vals(i);
return true;
}
}
bool
octave_sparse_params::do_set_key (const std::string& key, const double& val)
{
for (int i = 0; i < OCTAVE_SPARSE_CONTROLS_SIZE; i++)
{
if (keys (i) == key)
{
params(i) = val;
return true;
}
}
return false;
}
double
octave_sparse_params::do_get_key (const std::string& key)
{
for (int i = 0; i < OCTAVE_SPARSE_CONTROLS_SIZE; i++)
{
if (keys (i) == key)
return params(i);
}
return octave_NaN;
}
void
octave_sparse_params::do_print_info (std::ostream& os,
const std::string& prefix) const
{
for (int i = 0; i < OCTAVE_SPARSE_CONTROLS_SIZE; i++)
os << prefix << keys(i) << ": " << params(i) << "\n";
}
/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; End: ***
*/
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