/* multiset/test.c
* based on combination/test.c by Szymon Jaroszewicz
* based on permutation/test.c by Brian Gough
*
* Copyright (C) 2001 Szymon Jaroszewicz
* Copyright (C) 2009 Rhys Ulerich
*
* 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 <stdio.h>
#include <math.h>
#include <gsl/gsl_multiset.h>
#include <gsl/gsl_test.h>
#include <gsl/gsl_ieee_utils.h>
size_t c63[56][3] = {
{ 0,0,0 }, { 0,0,1 }, { 0,0,2 }, { 0,0,3 }, { 0,0,4 }, { 0,0,5 },
{ 0,1,1 }, { 0,1,2 }, { 0,1,3 }, { 0,1,4 }, { 0,1,5 },
{ 0,2,2 }, { 0,2,3 }, { 0,2,4 }, { 0,2,5 },
{ 0,3,3 }, { 0,3,4 }, { 0,3,5 },
{ 0,4,4 }, { 0,4,5 },
{ 0,5,5 },
{ 1,1,1 }, { 1,1,2 }, { 1,1,3 }, { 1,1,4 }, { 1,1,5 },
{ 1,2,2 }, { 1,2,3 }, { 1,2,4 }, { 1,2,5 },
{ 1,3,3 }, { 1,3,4 }, { 1,3,5 },
{ 1,4,4 }, { 1,4,5 },
{ 1,5,5 },
{ 2,2,2 }, { 2,2,3 }, { 2,2,4 }, { 2,2,5 },
{ 2,3,3 }, { 2,3,4 }, { 2,3,5 },
{ 2,4,4 }, { 2,4,5 },
{ 2,5,5 },
{ 3,3,3 }, { 3,3,4 }, { 3,3,5 },
{ 3,4,4 }, { 3,4,5 },
{ 3,5,5 },
{ 4,4,4 }, { 4,4,5 },
{ 4,5,5 },
{ 5,5,5 }
} ;
void my_error_handler (const char *reason, const char *file, int line, int err);
int
main (void)
{
size_t i, j;
int status = 0, s;
gsl_multiset * c ;
gsl_ieee_env_setup ();
c = gsl_multiset_alloc (6,3);
/* Test multisets in forward order */
gsl_multiset_init_first (c);
i = 0;
do
{
if ( i >= 56 )
{
status = 1;
break;
}
for (j = 0; j < 3; j++)
{
status |= (c->data[j] != c63[i][j]);
}
{
int s1 = gsl_multiset_valid (c);
gsl_test (s1, "gsl_multiset_valid (%u)", i);
}
i++;
}
while (gsl_multiset_next(c) == GSL_SUCCESS);
gsl_test(status, "gsl_multiset_next, 6 choose 3 multiset, 56 steps");
gsl_multiset_next(c);
gsl_multiset_next(c);
gsl_multiset_next(c);
for (j = 0; j < 3; j++)
{
status |= (c->data[j] != c63[55][j]);
}
gsl_test(status, "gsl_multiset_next on the last multiset");
{
int s1 = gsl_multiset_valid (c);
gsl_test (s1, "gsl_multiset_valid on the last multiset");
}
{
gsl_multiset * d = gsl_multiset_alloc (6,3);
gsl_multiset_memcpy (d, c);
status = 0;
for (j = 0; j < 3; j++)
{
status |= (d->data[j] != c->data[j]);
}
gsl_test (status, "gsl_multiset_memcpy, 6 choose 3 multiset");
gsl_multiset_free(d);
}
/* Now test multisets in reverse order */
gsl_multiset_init_last (c);
i = 56;
do
{
if ( i == 0 )
{
status = 1;
break;
}
i--;
for (j = 0; j < 3; j++)
{
status |= (c->data[j] != c63[i][j]);
}
{
int s1 = gsl_multiset_valid (c);
gsl_test (s1, "gsl_multiset_valid (%u)", i);
}
}
while (gsl_multiset_prev(c) == GSL_SUCCESS);
gsl_test(status, "gsl_multiset_prev, 6 choose 3 multiset, 20 steps");
gsl_multiset_prev(c);
gsl_multiset_prev(c);
gsl_multiset_prev(c);
for (j = 0; j < 3; j++)
{
status |= (c->data[j] != c63[0][j]);
}
gsl_test(status, "gsl_multiset_prev on the first multiset");
{
int s1 = gsl_multiset_valid (c);
gsl_test (s1, "gsl_multiset_valid on the first multiset");
}
{
gsl_multiset * d = gsl_multiset_alloc (6,3);
gsl_multiset_memcpy (d, c);
status = 0;
for (j = 0; j < 3; j++)
{
status |= (d->data[j] != c->data[j]);
}
gsl_test (status, "gsl_multiset_memcpy, 6 choose 3 multiset");
gsl_multiset_free(d);
}
gsl_multiset_free (c);
/* Check k = 3 strictly greater than n = 2 gives results */
/* {0, 0, 0}, {0, 0, 1}, {0, 1, 1,}, and {1, 1, 1}. */
c = gsl_multiset_calloc(2, 3);
status |= (c->data[0] != 0);
status |= (c->data[1] != 0);
status |= (c->data[2] != 0);
status |= (gsl_multiset_valid(c) != GSL_SUCCESS);
status |= (gsl_multiset_next(c) == GSL_FAILURE);
status |= (c->data[0] != 0);
status |= (c->data[1] != 0);
status |= (c->data[2] != 1);
status |= (gsl_multiset_valid(c) != GSL_SUCCESS);
status |= (gsl_multiset_next(c) == GSL_FAILURE);
status |= (c->data[0] != 0);
status |= (c->data[1] != 1);
status |= (c->data[2] != 1);
status |= (gsl_multiset_valid(c) != GSL_SUCCESS);
status |= (gsl_multiset_next(c) == GSL_FAILURE);
status |= (c->data[0] != 1);
status |= (c->data[1] != 1);
status |= (c->data[2] != 1);
status |= (gsl_multiset_valid(c) != GSL_SUCCESS);
status |= (gsl_multiset_next(c) != GSL_FAILURE);
gsl_test(status, "gsl_multiset 2 choose 3");
gsl_multiset_free (c);
c = gsl_multiset_calloc(7, 0);
/* should return GSL_FAILURE every time */
status |= (gsl_multiset_next(c) != GSL_FAILURE);
status |= (gsl_multiset_next(c) != GSL_FAILURE);
status |= (gsl_multiset_prev(c) != GSL_FAILURE);
status |= (gsl_multiset_prev(c) != GSL_FAILURE);
gsl_test(status, "gsl_multiset 7 choose 0");
gsl_multiset_free (c);
c = gsl_multiset_calloc(1, 1);
/* should return GSL_FAILURE every time */
for(j = 0; j < 1; j++)
{
status |= (gsl_multiset_get(c, j) != j);
}
status |= (gsl_multiset_next(c) != GSL_FAILURE);
for(j = 0; j < 1; j++)
{
status |= (gsl_multiset_get(c, j) != j);
}
status |= (gsl_multiset_next(c) != GSL_FAILURE);
for(j = 0; j < 1; j++)
{
status |= (gsl_multiset_get(c, j) != j);
}
status |= (gsl_multiset_prev(c) != GSL_FAILURE);
for(j = 0; j < 1; j++)
{
status |= (gsl_multiset_get(c, j) != j);
}
status |= (gsl_multiset_prev(c) != GSL_FAILURE);
for(j = 0; j < 1; j++)
{
status |= (gsl_multiset_get(c, j) != j);
}
gsl_test(status, "gsl_multiset 7 choose 7");
gsl_multiset_free (c);
c = gsl_multiset_calloc(6, 3);
gsl_set_error_handler (&my_error_handler);
c->data[0] = 1;
c->data[1] = 2;
c->data[2] = 1;
s = gsl_multiset_valid (c);
gsl_test (!s, "gsl_multiset_valid on an invalid multiset (1,1,2)");
c->data[0] = 2;
c->data[1] = 1;
c->data[2] = 0;
s = gsl_multiset_valid (c);
gsl_test (!s, "gsl_multiset_valid on an invalid multiset (2,1,0)");
c->data[0] = 1;
c->data[1] = 2;
c->data[2] = 0;
s = gsl_multiset_valid (c);
gsl_test (!s, "gsl_multiset_valid on an invalid multiset (1,2,0)");
{
gsl_multiset * d = gsl_multiset_alloc (6,4);
int s = gsl_multiset_memcpy (d, c);
gsl_test (!s, "gsl_multiset_memcpy, (6,4) vs (6,3)");
gsl_multiset_free(d);
}
{
gsl_multiset * d = gsl_multiset_alloc (7,3);
int s = gsl_multiset_memcpy (d, c);
gsl_test (!s, "gsl_multiset_memcpy, (7,3) vs (6,3)");
gsl_multiset_free(d);
}
{
gsl_multiset * d = gsl_multiset_alloc (7,2);
int s = gsl_multiset_memcpy (d, c);
gsl_test (!s, "gsl_multiset_memcpy, (7,2) vs (6,3)");
gsl_multiset_free(d);
}
gsl_multiset_free (c);
exit (gsl_test_summary());
}
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) ;
}