int main()
{
initializeHeap(heap);
initializeValues();
buildMaxHeap();
printValues();
//printf("max: %d \n",heapExtractMax());
//heapIncreaseKey(2,18);
//maxHeapInsert(17);
printValues();
return 0;
}
int main()
{
initializeHeap(heap);
initializeValues();
buildMinHeap();
printValues();
//printf("min: %d \n",heapExtractMin());
//heapDecreaseKey(2,0);
//minHeapInsert(0);
//printValues();
return 0;
}
heap *heapSort(int *array, int size){
heap *h = initializeHeap(array,size);
int index = 0;
//printf("~~~~~~~ Heap built ~~~~~~~\n");
//printArray(h->heap,10);
for(index = h->size-1; index >= 0; index--){
int temp = h->heap[index];
//printf("Exchanging %d (at %d) for %d\n",temp,index,h->heap[0]);
h->heap[index] = h->heap[0];
h->heap[0] = temp;
h->size -= 1;
max_heapify(h,0);
//printf("Heap size gone to: %d\n",h->size);
//printArray(h->heap,10);
}
return h;
}
void *allocateMemory(unsigned size_in_bytes)
{
int size;
unsigned chunk;
int chunk_size;
if (!initialized)
{
initializeHeap();
initialized = true;
}
if (size_in_bytes == 0)
{
return nullptr;
}
size = (size_in_bytes + sizeof(int)-1) / sizeof(int);
chunk = findFreeChunk(size);
if (always_false)
{
displayChunks();
}
if (chunk == bogus_chunk)
{
printf("Ah NUTS, out of memory\n");
exit(-1); // forces main to return -1 !immediately!
}
splitChunkIfNecessary(chunk, size);
chunk_size = memory_pool[chunk];
assert(chunk_size >= size); // just a sanity check, pretty insane really
setBothSignatures(chunk, -chunk_size);
/* OK, all done... all we need to do now is return... oh,
* we're supposed to return a pointer, not an index.....
*/
return &memory_pool[chunk + 1];
}
void initializeKernelHeap() {
initializeHeap(&kernel_heap, KERNEL_HEAP_ADDR);
}
