#define PRADJ "08"PRIx32
static int n, m;
+static AdjWord *adjmatrix_counters;
+static AdjWord *adjmatrix_offsets;
static AdjWord *adjmatrix;
static AdjWord adjall;
}
static void prep(void) {
+ int i;
adjall = ~((~(AdjWord)0) << m);
adjmatrix = xalloc_adjmatrix();
+ adjmatrix_counters = xalloc_adjmatrix();
+ adjmatrix_offsets = xalloc_adjmatrix();
glp_term_out(GLP_OFF);
+ for (i=0; i<n; i++)
+ adjmatrix_offsets[i] = ((i+1)*(AdjWord)0x12345678) & adjall;
}
static AdjWord one_adj_bit(int bitnum) {
static void iterate_recurse(int i, AdjWord min) {
if (i >= n) {
+ int ii;
+ for (ii=0; ii<n; ii++) {
+ adjmatrix[ii] = adjmatrix_counters[ii] ^ adjmatrix_offsets[ii];
+ if (!adjmatrix[ii]) return;
+ }
printcounter++;
optimise(!(printcounter & 0xfff));
return;
}
- for (adjmatrix[i] = min;
+ for (adjmatrix_counters[i] = min;
;
- adjmatrix[i]++) {
- iterate_recurse(i+1, adjmatrix[i]);
- if (adjmatrix[i] == adjall)
+ adjmatrix_counters[i]++) {
+ iterate_recurse(i+1, adjmatrix_counters[i]);
+ if (adjmatrix_counters[i] == adjall)
return;
}
}
static void iterate(void) {
- iterate_recurse(0, 1);
+ iterate_recurse(0, 0);
}
int main(int argc, char **argv) {