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28 lines
918 B
C
28 lines
918 B
C
#ifndef _INCLUDE_BTREE_H_
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#define _INCLUDE_BTREE_H_
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#include "r_types.h"
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struct btree_node {
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void *data;
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int hits; // profiling
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struct btree_node *left;
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struct btree_node *right;
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};
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#define BTREE_CMP(x) int (* x )(const void *, const void *)
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#define BTREE_DEL(x) int (* x )(void *)
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#ifdef R_API
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R_API void btree_init(struct btree_node **T);
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R_API struct btree_node *btree_remove(struct btree_node *p, BTREE_DEL(del));
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R_API void *btree_search(struct btree_node *proot, void *x, BTREE_CMP(cmp), int parent);
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R_API int btree_del(struct btree_node *proot, void *x, BTREE_CMP(cmp), BTREE_DEL(del));
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R_API void *btree_get(struct btree_node *proot, void *x, BTREE_CMP(cmp));
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R_API void btree_insert(struct btree_node **T, struct btree_node *p, BTREE_CMP(cmp));
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R_API void btree_add(struct btree_node **T, void *e, BTREE_CMP(cmp));
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R_API void btree_cleartree(struct btree_node *proot, BTREE_DEL(del));
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#endif
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#endif
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