/* movstat/test.c
*
* Copyright (C) 2018 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.
*/
#include <config.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>
#include <gsl/gsl_math.h>
#include <gsl/gsl_movstat.h>
#include <gsl/gsl_statistics.h>
#include <gsl/gsl_test.h>
#include <gsl/gsl_rng.h>
#include <gsl/gsl_randist.h>
#include <gsl/gsl_ieee_utils.h>
/* compare two vectors */
static void
compare_vectors(const double tol, const gsl_vector * v, const gsl_vector * expected,
const char * desc)
{
const size_t n = v->size;
size_t i;
for (i = 0; i < n; ++i)
{
double vi = gsl_vector_get(v, i);
double ui = gsl_vector_get(expected, i);
gsl_test_rel(vi, ui, tol, "%s i=%zu", desc, i);
}
}
/* generate random vector with elements in [-1,1] */
static void
random_vector(gsl_vector * v, gsl_rng * r)
{
size_t i;
for (i = 0; i < v->size; ++i)
{
double vi = 2.0 * gsl_rng_uniform(r) - 1.0; /* in [-1,1] */
gsl_vector_set(v, i, vi);
}
}
static int
test_noisy_sine(const double sigma, gsl_vector * x, gsl_rng * r)
{
const size_t n = x->size;
size_t i;
for (i = 0; i < n; ++i)
{
double ti = (double) i / (n - 1.0);
double xi = sin(2.0 * M_PI * ti) +
sin(2.0 * M_PI * 40.0 * ti);
double ei = gsl_ran_gaussian(r, sigma);
gsl_vector_set(x, i, xi + ei);
}
return GSL_SUCCESS;
}
#include "test_mad.c"
#include "test_mean.c"
#include "test_median.c"
#include "test_minmax.c"
#include "test_Qn.c"
#include "test_qqr.c"
#include "test_sum.c"
#include "test_Sn.c"
#include "test_variance.c"
int
main()
{
gsl_rng *r = gsl_rng_alloc(gsl_rng_default);
test_mean(r);
test_median(r);
test_minmax(r);
test_mad(r);
test_Qn(r);
test_qqr(r);
test_sum(r);
test_Sn(r);
test_variance(r);
gsl_rng_free(r);
exit (gsl_test_summary());
}