| /* 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; |
| } |