/* multifit_nlinear/test.c

 * 

 * Copyright (C) 2007, 2013, 2015, 2016 Brian Gough, Patrick Alken

 * 

 * This program 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.

 * 

 * This program 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 this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

 */

/* These tests are based on the NIST Statistical Reference Datasets

   See http://www.nist.gov/itl/div898/strd/index.html for more

   information. */

#include <config.h>

#include <stdlib.h>

#include <string.h>

#include <gsl/gsl_math.h>

#include <gsl/gsl_test.h>

#include <gsl/gsl_multifit_nlinear.h>

#include <gsl/gsl_blas.h>

#include <gsl/gsl_ieee_utils.h>

#include "test_fdf.c"

static void

test_proc(const gsl_multifit_nlinear_trs *trs,

          const gsl_multifit_nlinear_scale *scale,

          const gsl_multifit_nlinear_solver *solver,

          const int fdtype)

{

  gsl_multifit_nlinear_parameters fdf_params =

    gsl_multifit_nlinear_default_parameters();

  fdf_params.trs = trs;

  fdf_params.scale = scale;

  fdf_params.solver = solver;

  fdf_params.fdtype = fdtype;

  test_fdf_main(&fdf_params);

}

int

main (void)

{

  const gsl_multifit_nlinear_trs **nlinear_trs[6];

  const gsl_multifit_nlinear_solver **nlinear_solvers[4];

  const gsl_multifit_nlinear_scale **nlinear_scales[3];

  const gsl_multifit_nlinear_trs **trs;

  const gsl_multifit_nlinear_solver **solver;

  const gsl_multifit_nlinear_scale **scale;

  size_t i = 0;

  gsl_ieee_env_setup();

  /* initialize arrays */

  nlinear_trs[0] = &gsl_multifit_nlinear_trs_lm;

  nlinear_trs[1] = &gsl_multifit_nlinear_trs_lmaccel;

  nlinear_trs[2] = &gsl_multifit_nlinear_trs_dogleg;

  nlinear_trs[3] = &gsl_multifit_nlinear_trs_ddogleg;

  nlinear_trs[4] = &gsl_multifit_nlinear_trs_subspace2D;

  nlinear_trs[5] = NULL;

  nlinear_solvers[0] = &gsl_multifit_nlinear_solver_cholesky;

  nlinear_solvers[1] = &gsl_multifit_nlinear_solver_qr;

  nlinear_solvers[2] = &gsl_multifit_nlinear_solver_svd;

  nlinear_solvers[3] = NULL;

  /* skip Marquardt scaling since it won't pass */

  nlinear_scales[0] = &gsl_multifit_nlinear_scale_levenberg;

  nlinear_scales[1] = &gsl_multifit_nlinear_scale_more;

  nlinear_scales[2] = NULL;

  /* run testsuite over all parameter combinations */

  for (trs = nlinear_trs[i]; trs != NULL; trs = nlinear_trs[++i])

    {

      size_t j = 0;

      fprintf(stderr, "trs = %s\n", (*trs)->name);

      for (solver = nlinear_solvers[j]; solver != NULL; solver = nlinear_solvers[++j])

        {

          size_t k = 0;

          fprintf(stderr, "solver = %s\n", (*solver)->name);

          for (scale = nlinear_scales[k]; scale != NULL; scale = nlinear_scales[++k])

            {

              test_proc(*trs, *scale, *solver, GSL_MULTIFIT_NLINEAR_FWDIFF);

              test_proc(*trs, *scale, *solver, GSL_MULTIFIT_NLINEAR_CTRDIFF);

            }

        }

    }

  exit (gsl_test_summary ());

}