vppinfra: move unused code to extras/deprecated/vppinfra

[vpp.git] / src / vppinfra / fheap.h

diff --git a/src/vppinfra/fheap.h b/src/vppinfra/fheap.h
deleted file mode 100644 (file)
index 1dbd52b..0000000
--- a/src/vppinfra/fheap.h
+++ /dev/null
@@ -1,140 +0,0 @@
-/*
- * Copyright (c) 2015 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#ifndef included_clib_fheap_h
-#define included_clib_fheap_h
-
-/* Fibonacci Heaps Fredman, M. L.; Tarjan (1987).
-   "Fibonacci heaps and their uses in improved network optimization algorithms" */
-
-#include <vppinfra/vec.h>
-
-typedef struct
-{
-  /* Node index of parent. */
-  u32 parent;
-
-  /* Node index of first child. */
-  u32 first_child;
-
-  /* Next and previous nodes in doubly linked list of siblings. */
-  u32 next_sibling, prev_sibling;
-
-  /* Key (distance) for this node.  Parent always has key
-     <= than keys of children. */
-  u32 key;
-
-  /* Number of children (as opposed to descendents). */
-  u32 rank;
-
-  u32 is_marked;
-
-  /* Set to one when node is inserted; zero when deleted. */
-  u32 is_valid;
-} fheap_node_t;
-
-#define foreach_fheap_node_sibling(f,ni,first_ni,body)                 \
-do {                                                                   \
-  u32 __fheap_foreach_first_ni = (first_ni);                           \
-  u32 __fheap_foreach_ni = __fheap_foreach_first_ni;                   \
-  u32 __fheap_foreach_next_ni;                                         \
-  fheap_node_t * __fheap_foreach_n;                                    \
-  if (__fheap_foreach_ni != ~0)                                                \
-    while (1)                                                          \
-      {                                                                        \
-       __fheap_foreach_n = fheap_get_node ((f), __fheap_foreach_ni);   \
-       __fheap_foreach_next_ni = __fheap_foreach_n -> next_sibling;    \
-       (ni) = __fheap_foreach_ni;                                      \
-                                                                       \
-       body;                                                           \
-                                                                       \
-       /* End of circular list? */                                     \
-       if (__fheap_foreach_next_ni == __fheap_foreach_first_ni)        \
-         break;                                                        \
-                                                                       \
-       __fheap_foreach_ni = __fheap_foreach_next_ni;                   \
-                                                                       \
-      }                                                                        \
-} while (0)
-
-typedef struct
-{
-  u32 min_root;
-
-  /* Vector of nodes. */
-  fheap_node_t *nodes;
-
-  u32 *root_list_by_rank;
-
-  u32 enable_validate;
-
-  u32 validate_serial;
-} fheap_t;
-
-/* Initialize empty heap. */
-always_inline void
-fheap_init (fheap_t * f, u32 n_nodes)
-{
-  fheap_node_t *save_nodes = f->nodes;
-  u32 *save_root_list = f->root_list_by_rank;
-
-  clib_memset (f, 0, sizeof (f[0]));
-
-  f->nodes = save_nodes;
-  f->root_list_by_rank = save_root_list;
-
-  vec_validate (f->nodes, n_nodes - 1);
-  vec_reset_length (f->root_list_by_rank);
-
-  f->min_root = ~0;
-}
-
-always_inline void
-fheap_free (fheap_t * f)
-{
-  vec_free (f->nodes);
-  vec_free (f->root_list_by_rank);
-}
-
-always_inline u32
-fheap_find_min (fheap_t * f)
-{
-  return f->min_root;
-}
-
-always_inline u32
-fheap_is_empty (fheap_t * f)
-{
-  return f->min_root == ~0;
-}
-
-/* Add/delete nodes. */
-void fheap_add (fheap_t * f, u32 ni, u32 key);
-void fheap_del (fheap_t * f, u32 ni);
-
-/* Delete and return minimum. */
-u32 fheap_del_min (fheap_t * f, u32 * min_key);
-
-/* Change key value. */
-void fheap_decrease_key (fheap_t * f, u32 ni, u32 new_key);
-
-#endif /* included_clib_fheap_h */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */