sbheapfuncs(3)

NAME

SbHeapFuncs - The SbHeapFuncs struct is used to specify functions on heap elements.

#include <Inventor/SbHeap.h>
Public Attributes
float(* eval_func )(void *)
int(* get_index_func )(void *)
void(* set_index_func )(void *, int)

The SbHeapFuncs struct is used to specify functions on heap elements.

SbHeapFuncs::eval_func: The eval_func member is a pointer to a function that should return a weight-value for a heap element. Smaller elements are extracted first
from the heap.
SbHeapFuncs::get_index_func: get_index_func is a pointer to a function which should return the element's heap index. If you want to remove an element from the heap
(other than the first element), or change the weight for a heap
element, you must supply the two index functions. Each element must
then store its heap index in its own data structures.
SbHeapFuncs::set_index_func: set_index_func is used to set this index value, and will be called whenever the element is moved in the heap.

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