/* multifit/test_linear.c

 * 

 * Copyright (C) 2007, 2013 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.

 */

static void

test_random_vector(gsl_vector *v, const gsl_rng *r,

                   const double lower, const double upper)

{

  size_t i;

  size_t N = v->size;

  for (i = 0; i < N; ++i)

    {

      gsl_vector_set(v, i,

                     gsl_rng_uniform(r) * (upper - lower) + lower);

    }

}

static void

test_random_matrix(gsl_matrix *m, const gsl_rng *r,

                   const double lower, const double upper)

{

  size_t i, j;

  size_t M = m->size1;

  size_t N = m->size2;

  for (i = 0; i < M; ++i)

    {

      for (j = 0; j < N; ++j)

      {

        gsl_matrix_set(m, i, j,

                       gsl_rng_uniform(r) * (upper - lower) + lower);

      }

    }

}

static void

test_random_vector_noise(const gsl_rng *r, gsl_vector *y)

{

  size_t i;

  for (i = 0; i < y->size; ++i)

    {

      double *ptr = gsl_vector_ptr(y, i);

      *ptr += 1.0e-3 * gsl_rng_uniform(r);

    }

}

#include "test_longley.c"

#include "test_filip.c"

#include "test_pontius.c"

#include "test_estimator.c"

#include "test_reg.c"

#include "test_shaw.c"

/* test linear regression */

void

test_linear(void)

{

  test_longley();

  test_filip();

  test_pontius();

  test_estimator();

  test_reg();

  test_shaw();

}