X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/19bdb25835da6ee353675dfb995cf9ca886361b2..0446fc9e3f379b9aff5e0bb44cf06d06b9e663cc:/src/xbt/heap.c diff --git a/src/xbt/heap.c b/src/xbt/heap.c index c6207b9540..747b2e3521 100644 --- a/src/xbt/heap.c +++ b/src/xbt/heap.c @@ -8,28 +8,25 @@ * under the terms of the license (GNU LGPL) which comes with this package. */ #include "xbt/sysdep.h" -#include "xbt/error.h" +#include "xbt/log.h" #include "heap_private.h" +#include -/** \defgroup XBT_heap A generic heap data structure + +/** @addtogroup XBT_heap * \brief This section describes the API to generic heap with O(log(n)) access. */ -XBT_LOG_NEW_DEFAULT_SUBCATEGORY(heap, xbt, "Heap"); - -/** \name Functions - * \ingroup XBT_heap - */ -/* @{ */ /** + * @brief Creates a new heap. * \param init_size initial size of the heap * \param free_func function to call on each element when you want to free * the whole heap (or NULL if nothing to do). * * Creates a new heap. */ -xbt_heap_t xbt_heap_new(int init_size, void_f_pvoid_t * const free_func) +xbt_heap_t xbt_heap_new(int init_size, void_f_pvoid_t const free_func) { xbt_heap_t H = xbt_new0(struct xbt_heap, 1); H->size = init_size; @@ -40,24 +37,24 @@ xbt_heap_t xbt_heap_new(int init_size, void_f_pvoid_t * const free_func) } /** - * \param H poor victim - * - * kilkil a heap and its content + * @brief kilkil a heap and its content + * @param H poor victim */ void xbt_heap_free(xbt_heap_t H) { int i; if (H->free) for (i = 0; i < H->count; i++) - H->free(H->items[i].content); + (*H->free)(H->items[i].content); free(H->items); free(H); return; } /** - * \param H the heap we're working on - * \return the number of elements in the heap + * @brief returns the number of elements in the heap + * @param H the heap we're working on + * @return the number of elements in the heap */ int xbt_heap_size(xbt_heap_t H) { @@ -65,32 +62,34 @@ int xbt_heap_size(xbt_heap_t H) } /** + * @brief Add an element into the heap. * \param H the heap we're working on * \param content the object you want to add to the heap * \param key the key associated to this object * - * Add an element int the heap. The element with the smallest key is - * automatically moved at the top of the heap. + * The element with the smallest key is automatically moved at the top of the heap. */ void xbt_heap_push(xbt_heap_t H, void *content, double key) { - int count = ++(H->count); - int size = H->size; - xbt_heapItem_t item; - if (count > size) { - H->size = 2 * size + 1; - H->items = - (void *) realloc(H->items, - (H->size) * sizeof(struct xbt_heapItem)); - } - item = &(H->items[count - 1]); - item->key = key; - item->content = content; - xbt_heap_increaseKey(H, count - 1); - return; + int count = ++(H->count); + + int size = H->size; + xbt_heapItem_t item; + + if (count > size) { + H->size = 2 * size + 1; + H->items =(void *) realloc(H->items,(H->size) * sizeof(struct xbt_heapItem)); + } + + item = &(H->items[count - 1]); + item->key = key; + item->content = content; + xbt_heap_increaseKey(H, count - 1); + return; } /** + * @brief Extracts from the heap and returns the element with the smallest key. * \param H the heap we're working on * \return the element with the smallest key * @@ -120,6 +119,7 @@ void *xbt_heap_pop(xbt_heap_t H) } /** + * @brief returns the smallest key in the heap (heap unchanged) * \param H the heap we're working on * * \return the smallest key in the heap without modifying the heap. @@ -131,6 +131,7 @@ double xbt_heap_maxkey(xbt_heap_t H) } /** + * @brief returns the value associated to the smallest key in the heap (heap unchanged) * \param H the heap we're working on * * \return the value associated to the smallest key in the heap @@ -186,4 +187,3 @@ static void xbt_heap_increaseKey(xbt_heap_t H, int i) } return; } -/* @} */