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(svn r20686) -Codechange: Make init_BinaryHeap() a method.

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alberth
2010-08-29 13:42:38 +00:00
parent 2c962548e5
commit bc6a5a5e64
3 changed files with 18 additions and 21 deletions
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17
src/pathfinder/npf/queue.cpp
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@@ -225,16 +225,19 @@ void *Queue::Pop()
return result;
}
void init_BinaryHeap(Queue *q, uint max_size)
/**
* Initializes a binary heap and allocates internal memory for maximum of
* max_size elements
*/
void Queue::Init(uint max_size)
{
assert(q != NULL);
q->max_size = max_size;
q->size = 0;
this->max_size = max_size;
this->size = 0;
/* We malloc memory in block of BINARY_HEAP_BLOCKSIZE
* It autosizes when it runs out of memory */
q->elements = CallocT<BinaryHeapNode*>((max_size - 1) / BINARY_HEAP_BLOCKSIZE + 1);
q->elements[0] = MallocT<BinaryHeapNode>(BINARY_HEAP_BLOCKSIZE);
q->blocks = 1;
this->elements = CallocT<BinaryHeapNode*>((max_size - 1) / BINARY_HEAP_BLOCKSIZE + 1);
this->elements[0] = MallocT<BinaryHeapNode>(BINARY_HEAP_BLOCKSIZE);
this->blocks = 1;
#ifdef QUEUE_DEBUG
printf("[BinaryHeap] Initial size of elements is %d nodes\n", BINARY_HEAP_BLOCKSIZE);
#endif