diff options
Diffstat (limited to 'gsl-1.9/histogram/test1d_trap.c')
-rw-r--r-- | gsl-1.9/histogram/test1d_trap.c | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/gsl-1.9/histogram/test1d_trap.c b/gsl-1.9/histogram/test1d_trap.c new file mode 100644 index 0000000..511cb1f --- /dev/null +++ b/gsl-1.9/histogram/test1d_trap.c @@ -0,0 +1,130 @@ +/* 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; +} |