all.c
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#include <stdio.h>
#include <fcntl.h>
#include <errno.h>
#include "fdc_int.h"
#ifndef MAX_VARIABLES
# define MAX_VARIABLES 256 // maximum number of variables
#endif
#define MAX_MAX_VALUE 63 // maximum maximum domain value
static int NV = 8; // actual number of variables
static int MV = 7; // actual maximum domain value
int main(int argc, char *argv[])
{
fd_int vars[MAX_VARIABLES];
int solutions = 0, one_solution = 1;
int i;
fd_init(&argc, &argv);
for (i = 1; i < argc; ++i)
if (!strcmp(argv[i], "--all"))
one_solution = 0;
else
NV = atoi(argv[i]);
if (NV > MAX_VARIABLES)
fd__fatal("more than MAX_VARIABLES variables requested");
for (i = 0; i < NV; ++i)
vars[i] = fd_new(0, MV);
while (fd_solve() == FD_OK)
{
printf("solution %d:\n", ++solutions);
for (i = 0; i < NV; ++i)
{
fd_print(vars[i]);
putchar(' ');
}
putchar('\n');
#if !(defined(LOCAL_SEARCH) || defined(DISTRIBUTED_SOLVER))
if (one_solution)
#endif
break;
}
if (solutions)
printf("%d solutions found\n", solutions);
else
printf("inconsistent CSP\n");
fd_end();
return !solutions;
}