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-rw-r--r--gsl-1.9/histogram/test1d_trap.c130
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diff --git a/gsl-1.9/histogram/test1d_trap.c b/gsl-1.9/histogram/test1d_trap.c
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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;
+}