heap.h - Online Linux Manual PageSection : 3
Updated : Mon Jan 25 2021
Source : Version 4.0.0
Note : Coin

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NAMEheap.h

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SYNOPSIS
#include <Inventor/C/basic​.h>

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Typedefstypedef int cc_heap_compare_cb(void *o1, void *o2)
typedef struct cc_heap cc_heap

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Functionscc_heap * cc_heap_construct (unsigned int size, cc_heap_compare_cb *comparecb, SbBool support_remove)
void cc_heap_destruct (cc_heap *h)
void cc_heap_clear (cc_heap *h)
void cc_heap_add (cc_heap *h, void *o)
void * cc_heap_get_top (cc_heap *h)
void * cc_heap_extract_top (cc_heap *h)
int cc_heap_remove (cc_heap *h, void *o)
unsigned int cc_heap_elements (cc_heap *h)
SbBool cc_heap_empty (cc_heap *h)

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Typedef Documentation

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int cc_heap_compare_cbA type definition for heap compare callback function​.

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struct cc_heap cc_heapA type definition for the cc_heap structure

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Function Documentation

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cc_heap* cc_heap_construct (unsigned int size, cc_heap_compare_cb * comparecb, SbBool support_remove)Construct a heap​. size is the initial array size​. comparecb should return a negative value if the first element is less than the second, zero if they are equal and a positive value if the first element is greater than the second​. support_remove specifies if the heap should support removal of elements (other than the top element) after they are added; this requires use of a hash table to be efficent, but as a slight runtime overhead will be incurred for the add and extract_top functions the support can be disabled if you don't need it​.

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void cc_heap_destruct (cc_heap * h)Destruct the heap h​.

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void cc_heap_clear (cc_heap * h)Clear/remove all elements in the heap h​.

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void cc_heap_add (cc_heap * h, void * o)Add the element o to the heap h​.

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void* cc_heap_get_top (cc_heap * h)Returns the top element from the heap h​. If the heap is empty, NULL is returned​.

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void* cc_heap_extract_top (cc_heap * h)Returns and removes the top element from the heap h​. If the heap is empty, NULL is returned​.

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int cc_heap_remove (cc_heap * h, void * o)Remove o from the heap h; if present TRUE is returned, otherwise FALSE​. Please note that the heap must have been created with support_remove​.

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unsigned int cc_heap_elements (cc_heap * h)Returns the number of elements in the heap h​.

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SbBool cc_heap_empty (cc_heap * h)Returns TRUE of the heap h is empty; otherwise FALSE​.

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AuthorGenerated automatically by Doxygen for Coin from the source code​. 0

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Johanes Gumabo

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