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/* histogram/test_trap.c
*
* Copyright (C) 1996, 1997, 1998, 1999, 2000 Brian Gough
*
* 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 2 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 <stdio.h>
#include <gsl/gsl_histogram.h>
#include <gsl/gsl_test.h>
#include <gsl/gsl_errno.h>
#include <gsl/gsl_ieee_utils.h>
#define N 397
static void my_error_handler (const char *reason, const char *file,
int line, int err);
static int status = 0;
void
test1d_trap (void)
{
gsl_histogram *h;
double result, lower, upper;
size_t i;
gsl_set_error_handler (&my_error_handler);
gsl_ieee_env_setup ();
status = 0;
h = gsl_histogram_calloc (0);
gsl_test (!status, "gsl_histogram_calloc traps zero-length histogram");
gsl_test (h != 0,
"gsl_histogram_calloc returns NULL for zero-length histogram");
status = 0;
h = gsl_histogram_calloc_uniform (0, 0.0, 1.0);
gsl_test (!status,
"gsl_histogram_calloc_uniform traps zero-length histogram");
gsl_test (h != 0,
"gsl_histogram_calloc_uniform returns NULL for zero-length histogram");
status = 0;
h = gsl_histogram_calloc_uniform (10, 1.0, 1.0);
gsl_test (!status,
"gsl_histogram_calloc_uniform traps equal endpoints");
gsl_test (h != 0,
"gsl_histogram_calloc_uniform returns NULL for equal endpoints");
status = 0;
h = gsl_histogram_calloc_uniform (10, 2.0, 1.0);
gsl_test (!status,
"gsl_histogram_calloc_uniform traps invalid range");
gsl_test (h != 0,
"gsl_histogram_calloc_uniform returns NULL for invalid range");
h = gsl_histogram_calloc_uniform (N, 0.0, 1.0);
status = gsl_histogram_accumulate (h, 1.0, 10.0);
gsl_test (status != GSL_EDOM, "gsl_histogram_accumulate traps x at xmax");
status = gsl_histogram_accumulate (h, 2.0, 100.0);
gsl_test (status != GSL_EDOM, "gsl_histogram_accumulate traps x above xmax");
status = gsl_histogram_accumulate (h, -1.0, 1000.0);
gsl_test (status != GSL_EDOM, "gsl_histogram_accumulate traps x below xmin");
status = gsl_histogram_increment (h, 1.0);
gsl_test (status != GSL_EDOM, "gsl_histogram_increment traps x at xmax");
status = gsl_histogram_increment (h, 2.0);
gsl_test (status != GSL_EDOM, "gsl_histogram_increment traps x above xmax");
status = gsl_histogram_increment (h, -1.0);
gsl_test (status != GSL_EDOM, "gsl_histogram_increment traps x below xmin");
result = gsl_histogram_get (h, N);
gsl_test (result != 0, "gsl_histogram_get traps index at n");
result = gsl_histogram_get (h, N + 1);
gsl_test (result != 0, "gsl_histogram_get traps index above n");
status = gsl_histogram_get_range (h, N, &lower, &upper);
gsl_test (status != GSL_EDOM,
"gsl_histogram_get_range traps index at n");
status = gsl_histogram_get_range (h, N + 1, &lower, &upper);
gsl_test (status != GSL_EDOM,
"gsl_histogram_get_range traps index above n");
status = 0;
gsl_histogram_find (h, -0.01, &i);
gsl_test (status != GSL_EDOM, "gsl_histogram_find traps x below xmin");
status = 0;
gsl_histogram_find (h, 1.0, &i);
gsl_test (status != GSL_EDOM, "gsl_histogram_find traps x at xmax");
status = 0;
gsl_histogram_find (h, 1.1, &i);
gsl_test (status != GSL_EDOM, "gsl_histogram_find traps x above xmax");
gsl_histogram_free (h);
}
static void
my_error_handler (const char *reason, const char *file, int line, int err)
{
if (0)
printf ("(caught [%s:%d: %s (%d)])\n", file, line, reason, err);
status = 1;
}
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