示例#1
0
文件: fib.c 项目: andrewdyates/qubic
/*
 * Private Heap Functions
 */
static void
fh_deleteel(struct fibheap *h, struct fibheap_el *x)
{
	void *data;
	int key;

	data = x->fhe_data;
	key = x->fhe_key;

	if (!h->fh_keys)
		fh_replacedata(h, x, h->fh_neginf);
	else
		fh_replacekey(h, x, INT_MIN);
	if (fh_extractminel(h) != x) {
		/*
		 * XXX - This should never happen as fh_replace should set it
		 * to min.
		 */
		abort();
	}

	x->fhe_data = data;
	x->fhe_key = key;
}
示例#2
0
文件: fibHeap.c 项目: Debian/velvet
// Replaces the key for a given node
Coordinate replaceKeyInHeap(FibHeap * heap, FibHeapNode * node,
			    Coordinate newKey)
{
	return fh_replacekey(heap, node, newKey);
}
示例#3
0
文件: tt.c 项目: Jalakas/navit
int main(void)
{
  
    struct fibheap *a;
    void *arr[10];
    int i;

    a = fh_makekeyheap();
	
    for (i=1 ; i < 8 ; i++)
     {
      arr[i]= fh_insertkey(a,0,(void *)i);
      printf("adding: 0 %d \n",i);
     }
     
     printf(" \n");

     fh_replacekey(a, arr[1],-2);
     fh_replacekey(a, arr[4],-3);
     fh_replacekey(a, arr[7],-5);
	  
     printf("Wert(minkey) %d\n",fh_minkey(a));
     printf("Knoten: %d\n\n", (int)fh_extractmin(a)); 
        
     fh_replacekey(a, arr[3],-2);
     fh_replacekey(a, arr[6],-1);
	
     printf("Wert(minkey) %d\n",fh_minkey(a));
     printf("Knoten: %d\n\n", (int)fh_extractmin(a));
	
     fh_replacekey(a, arr[1],-9);
     fh_replacekey(a, arr[5],-3);

     printf("Wert(minkey) %d\n",fh_minkey(a));
     printf("Knoten: %d\n\n", (int)fh_extractmin(a));

     fh_replacekey(a, arr[2],-4);
     fh_replacekey(a, arr[5],-5);
     fh_replacekey(a, arr[6],-3);
        	
     printf("Wert(minkey) %d\n",fh_minkey(a));
     printf("Knoten: %d\n\n", (int)fh_extractmin(a));

     fh_replacekey(a, arr[2],-6);
     fh_replacekey(a, arr[6],-6);

     printf("Wert(minkey) %d\n",fh_minkey(a));
     printf("Knoten: %d\n\n", (int)fh_extractmin(a));

     printf("Wert(minkey) %d\n",fh_minkey(a));
     printf("Knoten: %d\n\n", (int)fh_extractmin(a));

     printf("Wert(minkey) %d\n",fh_minkey(a));
     printf("Knoten: %d\n\n", (int)fh_extractmin(a));
       	
     fh_deleteheap(a);

	return 0;
}
示例#4
0
int
main(void) {
	struct fibheap *a;
	void *arr[10];
	int i;
	a = fh_makekeyheap();
	
	for (i=1 ; i < 10 ; i++)
	  {
              arr[i]= fh_insertkey(a,0,int_to_pointer(i));
	      printf("adding: 0 %d \n",i);
	  }
     
	printf(" \n");
	 fh_replacekey(a, arr[1],-38);
         fh_replacekey(a, arr[7],-34);
  
        printf("wert(minkey) %d\n",fh_minkey(a));
	printf("Knoten: %lld\n\n", pointer_to_ll(fh_extractmin(a)));
	 fh_replacekey(a, arr[2],-55);
         fh_replacekey(a, arr[5],-56);
        printf("Wert(minkey) %d\n",fh_minkey(a));
        printf("Knoten: %lld\n\n", pointer_to_ll(fh_extractmin(a)));
	
	 fh_replacekey(a, arr[4],-1);
         fh_replacekey(a, arr[2],-102);
	 fh_replacekey(a, arr[6],-1);
         fh_replacekey(a, arr[9],-1);
	 fh_replacekey(a, arr[8],-4);
        printf("Wert(minkey) %d\n",fh_minkey(a));
        printf("Knoten: %lld\n\n", pointer_to_ll(fh_extractmin(a)));
	 fh_replacekey(a, arr[3],-74);
         fh_replacekey(a, arr[8],-55);
	 fh_replacekey(a, arr[4],-2);
        	
        printf("Wert(minkey) %d\n",fh_minkey(a));
	printf("Knoten: %lld\n\n", pointer_to_ll(fh_extractmin(a)));
	 fh_replacekey(a, arr[4],-3);
         fh_replacekey(a, arr[6],-2);
         fh_replacekey(a, arr[7],-99);
        printf("Wert(minkey) %d\n",fh_minkey(a));
	printf("Knoten: %lld\n\n", pointer_to_ll(fh_extractmin(a)));
	 fh_replacekey(a, arr[6],-3);
         fh_replacekey(a, arr[4],-4);
	 fh_replacekey(a, arr[8],-94);
         fh_replacekey(a, arr[9],-2);
        printf("Wert(minkey) %d\n",fh_minkey(a));
	printf("Knoten: %lld\n\n", pointer_to_ll(fh_extractmin(a)));
        fh_replacekey(a, arr[6],-4);
	
        printf("Wert(minkey) %d\n",fh_minkey(a));
	printf("Knoten: %lld\n\n", pointer_to_ll(fh_extractmin(a)));
	
        printf("Wert(minkey) %d\n",fh_minkey(a));
        printf("Knoten: %lld\n\n", pointer_to_ll(fh_extractmin(a)));
	/*fh_replacekey(a, arr[9],-3);*/
        printf("Wert(minkey) %d\n",fh_minkey(a));
	printf("Knoten: %lld\n\n", pointer_to_ll(fh_extractmin(a)));
     
        /*fh_replacekey(a, arr[9],-49);*/
 
	fh_deleteheap(a);

	return 0;
}
示例#5
0
文件: fibtest.c 项目: Jalakas/navit
int main(void)
{
	struct fibheap *a;
	void *arr[10];
	int i;

	a = fh_makekeyheap();
	
	for (i=1 ; i < 10 ; i++)
	  {
              arr[i]= fh_insertkey(a,0,(void *)i);
	      printf("adding: 0 %d \n",i);
	  }
     
	printf(" \n");
	 fh_replacekey(a, arr[1],-1);
         fh_replacekey(a, arr[6],-1);
	 fh_replacekey(a, arr[4],-1);
         fh_replacekey(a, arr[2],-1); 
         fh_replacekey(a, arr[8],-1); 
	  
        printf("value(minkey) %d\n",fh_minkey(a));
	printf("id: %d\n\n", (int)fh_extractmin(a));          
     
	 fh_replacekey(a, arr[7],-33);
/* -> node 7 becomes root node, but is still pointed to by node 6 */
         fh_replacekey(a, arr[4],-36);
	 fh_replacekey(a, arr[3],-1);
         fh_replacekey(a, arr[9],-81); 	
	
        printf("value(minkey) %d\n",fh_minkey(a));
        printf("id: %d\n\n", (int)fh_extractmin(a));
	
	 fh_replacekey(a, arr[6],-68);
         fh_replacekey(a, arr[2],-69);

        printf("value(minkey) %d\n",fh_minkey(a));
        printf("id: %d\n\n", (int)fh_extractmin(a));

	 fh_replacekey(a, arr[1],-52);
         fh_replacekey(a, arr[3],-2);
	 fh_replacekey(a, arr[4],-120);
         fh_replacekey(a, arr[5],-48); 	

        printf("value(minkey) %d\n",fh_minkey(a));
	printf("id: %d\n\n", (int)fh_extractmin(a));

	 fh_replacekey(a, arr[3],-3);
         fh_replacekey(a, arr[5],-63);

        printf("value(minkey) %d\n",fh_minkey(a));
	printf("id: %d\n\n", (int)fh_extractmin(a));

	 fh_replacekey(a, arr[5],-110);
         fh_replacekey(a, arr[7],-115);

        printf("value(minkey) %d\n",fh_minkey(a));
	printf("id: %d\n\n", (int)fh_extractmin(a));

         fh_replacekey(a, arr[5],-188);

        printf("value(minkey) %d\n",fh_minkey(a));
	printf("id: %d\n\n", (int)fh_extractmin(a));

         fh_replacekey(a, arr[3],-4);

        printf("value(minkey) %d\n",fh_minkey(a));
	printf("id: %d\n\n", (int)fh_extractmin(a));
	
        printf("value(minkey) %d\n",fh_minkey(a));
        printf("id: %d\n\n", (int)fh_extractmin(a));

	fh_deleteheap(a);

	return 0;
}