Added sac/queue.h, moved timer.h to utl folder, new queue benchmark
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/**
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* queue.h
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*
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* Creation Date: 24/06/2019
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*
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* Authors:
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* Leonardo Vencovsky (https://github.com/LeoVen)
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*
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*/
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/**
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* A Purely Stack Allocated Queue
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*
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* This means that the Queue has a fixed size, but it also has the advantage of
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* not requiring for manually allocating and deallocating the struct.
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*
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* Generating a collection with too big of a storage can be dangerous and might
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* quickly cause a stack overflow.
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*
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* It is recommended to not generate any Stack Allocated Collection with less
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* than 1000 internal storage.
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*/
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#ifndef CMC_SAC_QUEUE_H
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#define CMC_SAC_QUEUE_H
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#include <stdlib.h>
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#include <stdbool.h>
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#include <string.h>
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#define SAC_QUEUE_GENERATE(PFX, SNAME, FMOD, V, SIZE) \
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SAC_QUEUE_GENERATE_HEADER(PFX, SNAME, FMOD, V, SIZE) \
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SAC_QUEUE_GENERATE_SOURCE(PFX, SNAME, FMOD, V, SIZE)
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#define SAC_QUEUE_WRAPGEN_HEADER(PFX, SNAME, FMOD, K, V, SIZE) \
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SAC_QUEUE_GENERATE_HEADER(PFX, SNAME, FMOD, V, SIZE)
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#define SAC_QUEUE_WRAPGEN_SOURCE(PFX, SNAME, FMOD, K, V, SIZE) \
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SAC_QUEUE_GENERATE_SOURCE(PFX, SNAME, FMOD, V, SIZE)
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/* HEADER ********************************************************************/
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#define SAC_QUEUE_GENERATE_HEADER(PFX, SNAME, FMOD, V, SIZE) \
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\
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/* Queue Structure */ \
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typedef struct SNAME##_s \
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{ \
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/* Internal Storage */ \
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V buffer[SIZE]; \
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\
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/* Current amount of elements */ \
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size_t count; \
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\
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/* Index representing the front of the queue */ \
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size_t front; \
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\
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/* Index representing the back of the queue */ \
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size_t rear; \
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\
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/* Function that returns an iterator to the start of the queue */ \
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struct SNAME##_iter_s (*it_start)(struct SNAME##_s *); \
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\
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/* Function that returns an iterator to the end of the queue */ \
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struct SNAME##_iter_s (*it_end)(struct SNAME##_s *); \
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\
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} SNAME, *SNAME##_ptr; \
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\
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/* Queue Iterator */ \
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typedef struct SNAME##_iter_s \
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{ \
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/* Target queue */ \
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struct SNAME##_s *target; \
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\
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/* Cursor's position (index) */ \
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size_t cursor; \
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\
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/* Keeps track of relative index to the iteration of elements */ \
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size_t index; \
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\
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/* If the iterator has reached the start of the iteration */ \
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bool start; \
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\
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/* If the iterator has reached the end of the iteration */ \
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bool end; \
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\
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} SNAME##_iter, *SNAME##_iter_ptr; \
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\
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/* Collection Functions */ \
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/* Collection Allocation and Deallocation */ \
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FMOD SNAME PFX##_new(void); \
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FMOD void PFX##_clear(SNAME *_queue_); \
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/* Collection Input and Output */ \
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FMOD bool PFX##_enqueue(SNAME *_queue_, V element); \
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FMOD bool PFX##_dequeue(SNAME *_queue_); \
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/* Conditional Input and Output */ \
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FMOD bool PFX##_enqueue_if(SNAME *_queue_, V element, bool condition); \
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FMOD bool PFX##_dequeue_if(SNAME *_queue_, bool condition); \
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/* Element Access */ \
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FMOD V PFX##_peek(SNAME *_queue_); \
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/* Collection State */ \
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FMOD bool PFX##_contains(SNAME *_queue_, V element, int (*comparator)(V, V)); \
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FMOD bool PFX##_empty(SNAME *_queue_); \
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FMOD bool PFX##_full(SNAME *_queue_); \
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FMOD size_t PFX##_count(SNAME *_queue_); \
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FMOD size_t PFX##_capacity(void); \
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\
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/* Iterator Functions */ \
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/* Iterator Initialization */ \
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FMOD void PFX##_iter_init(SNAME##_iter *iter, SNAME *target); \
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/* Iterator State */ \
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FMOD bool PFX##_iter_start(SNAME##_iter *iter); \
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FMOD bool PFX##_iter_end(SNAME##_iter *iter); \
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/* Iterator Movement */ \
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FMOD void PFX##_iter_to_start(SNAME##_iter *iter); \
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FMOD void PFX##_iter_to_end(SNAME##_iter *iter); \
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FMOD bool PFX##_iter_next(SNAME##_iter *iter); \
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FMOD bool PFX##_iter_prev(SNAME##_iter *iter); \
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/* Iterator Access */ \
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FMOD V PFX##_iter_value(SNAME##_iter *iter); \
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FMOD V *PFX##_iter_rvalue(SNAME##_iter *iter); \
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FMOD size_t PFX##_iter_index(SNAME##_iter *iter); \
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\
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/* Default Value */ \
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static inline V PFX##_impl_default_value(void) \
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{ \
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V _empty_value_; \
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\
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memset(&_empty_value_, 0, sizeof(V)); \
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\
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return _empty_value_; \
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} \
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\
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/* SOURCE ********************************************************************/
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#define SAC_QUEUE_GENERATE_SOURCE(PFX, SNAME, FMOD, V, SIZE) \
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\
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/* Implementation Detail Functions */ \
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static SNAME##_iter PFX##_impl_it_start(SNAME *_queue_); \
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static SNAME##_iter PFX##_impl_it_end(SNAME *_queue_); \
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\
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FMOD SNAME PFX##_new(void) \
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{ \
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SNAME result; \
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\
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memset(&result, 0, sizeof(SNAME)); \
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\
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result.it_start = PFX##_impl_it_start; \
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result.it_end = PFX##_impl_it_end; \
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\
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return result; \
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} \
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\
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FMOD void PFX##_clear(SNAME *_queue_) \
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{ \
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memset(_queue_->buffer, 0, sizeof(_queue_->buffer)); \
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\
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_queue_->count = 0; \
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_queue_->front = 0; \
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_queue_->rear = 0; \
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} \
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\
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FMOD bool PFX##_enqueue(SNAME *_queue_, V element) \
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{ \
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if (PFX##_full(_queue_)) \
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return false; \
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\
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_queue_->buffer[_queue_->rear] = element; \
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\
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_queue_->rear = (_queue_->rear == SIZE - 1) ? 0 : _queue_->rear + 1; \
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_queue_->count++; \
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\
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return true; \
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} \
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\
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FMOD bool PFX##_dequeue(SNAME *_queue_) \
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{ \
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if (PFX##_empty(_queue_)) \
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return false; \
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\
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_queue_->buffer[_queue_->front] = PFX##_impl_default_value(); \
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\
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_queue_->front = (_queue_->front == SIZE - 1) ? 0 : _queue_->front + 1; \
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_queue_->count--; \
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\
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return true; \
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} \
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\
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FMOD bool PFX##_enqueue_if(SNAME *_queue_, V element, bool condition) \
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{ \
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if (condition) \
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return PFX##_enqueue(_queue_, element); \
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\
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return false; \
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} \
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\
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FMOD bool PFX##_dequeue_if(SNAME *_queue_, bool condition) \
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{ \
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if (condition) \
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return PFX##_dequeue(_queue_); \
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\
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return false; \
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} \
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\
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FMOD V PFX##_peek(SNAME *_queue_) \
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{ \
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if (PFX##_empty(_queue_)) \
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PFX##_impl_default_value(); \
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\
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return _queue_->buffer[_queue_->front]; \
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} \
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\
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FMOD bool PFX##_contains(SNAME *_queue_, V element, int (*comparator)(V, V)) \
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{ \
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for (size_t i = _queue_->front, j = 0; j < _queue_->count; i = (i + 1) % _queue_->count, j++) \
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{ \
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if (comparator(_queue_->buffer[i], element) == 0) \
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return true; \
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} \
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\
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return false; \
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} \
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\
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FMOD bool PFX##_empty(SNAME *_queue_) \
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{ \
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return _queue_->count == 0; \
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} \
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\
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FMOD bool PFX##_full(SNAME *_queue_) \
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{ \
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return _queue_->count >= SIZE; \
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} \
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\
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FMOD size_t PFX##_count(SNAME *_queue_) \
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{ \
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return _queue_->count; \
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} \
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\
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FMOD size_t PFX##_capacity(void) \
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{ \
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return SIZE; \
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} \
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\
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FMOD void PFX##_iter_init(SNAME##_iter *iter, SNAME *target) \
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{ \
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iter->target = target; \
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iter->cursor = target->front; \
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iter->index = 0; \
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iter->start = true; \
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iter->end = PFX##_empty(target); \
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} \
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\
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FMOD bool PFX##_iter_start(SNAME##_iter *iter) \
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{ \
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return PFX##_empty(iter->target) || iter->start; \
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} \
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\
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FMOD bool PFX##_iter_end(SNAME##_iter *iter) \
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{ \
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return PFX##_empty(iter->target) || iter->end; \
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} \
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\
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FMOD void PFX##_iter_to_start(SNAME##_iter *iter) \
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{ \
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iter->cursor = iter->target->front; \
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iter->index = 0; \
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iter->start = true; \
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iter->end = PFX##_empty(iter->target); \
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} \
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\
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FMOD void PFX##_iter_to_end(SNAME##_iter *iter) \
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{ \
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if (PFX##_empty(iter->target)) \
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iter->cursor = 0; \
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else \
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iter->cursor = (iter->target->rear == 0) ? SIZE - 1 : iter->target->rear - 1; \
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\
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iter->index = iter->target->count - 1; \
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iter->start = PFX##_empty(iter->target); \
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iter->end = true; \
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} \
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\
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FMOD bool PFX##_iter_next(SNAME##_iter *iter) \
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{ \
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if (iter->end) \
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return false; \
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\
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iter->start = PFX##_empty(iter->target); \
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\
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if (iter->index == iter->target->count - 1) \
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iter->end = true; \
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else \
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{ \
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iter->cursor = (iter->cursor + 1) % (SIZE); \
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iter->index++; \
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} \
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\
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return true; \
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} \
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\
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FMOD bool PFX##_iter_prev(SNAME##_iter *iter) \
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{ \
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if (iter->start) \
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return false; \
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\
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iter->end = PFX##_empty(iter->target); \
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\
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if (iter->index == 0) \
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iter->start = true; \
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else \
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{ \
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iter->cursor = (iter->cursor == 0) ? SIZE - 1 : iter->cursor - 1; \
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iter->index--; \
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} \
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\
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return true; \
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} \
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\
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FMOD V PFX##_iter_value(SNAME##_iter *iter) \
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{ \
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if (PFX##_empty(iter->target)) \
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PFX##_impl_default_value(); \
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\
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return iter->target->buffer[iter->cursor]; \
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} \
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\
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FMOD V *PFX##_iter_rvalue(SNAME##_iter *iter) \
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{ \
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if (PFX##_empty(iter->target)) \
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return NULL; \
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\
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return &(iter->target->buffer[iter->cursor]); \
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} \
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\
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FMOD size_t PFX##_iter_index(SNAME##_iter *iter) \
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{ \
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return iter->index; \
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} \
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\
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static SNAME##_iter PFX##_impl_it_start(SNAME *_queue_) \
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{ \
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SNAME##_iter iter; \
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\
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PFX##_iter_init(&iter, _queue_); \
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PFX##_iter_to_start(&iter); \
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\
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return iter; \
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} \
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\
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static SNAME##_iter PFX##_impl_it_end(SNAME *_queue_) \
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{ \
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SNAME##_iter iter; \
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\
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PFX##_iter_init(&iter, _queue_); \
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PFX##_iter_to_end(&iter); \
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\
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return iter; \
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}
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#endif /* CMC_SAC_QUEUE_H */
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+1
-8
@@ -79,7 +79,6 @@
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/* Collection Allocation and Deallocation */ \
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FMOD SNAME PFX##_new(void); \
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FMOD void PFX##_clear(SNAME *_stack_); \
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FMOD void PFX##_free(SNAME *_stack_); \
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/* Collection Input and Output */ \
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FMOD bool PFX##_push(SNAME *_stack_, V element); \
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FMOD bool PFX##_pop(SNAME *_stack_); \
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@@ -142,17 +141,11 @@
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\
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FMOD void PFX##_clear(SNAME *_stack_) \
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{ \
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memset(_stack_->buffer, 0, sizeof(V) * SIZE); \
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memset(_stack_->buffer, 0, sizeof(_stack_->buffer)); \
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\
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_stack_->count = 0; \
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} \
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\
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FMOD void PFX##_free(SNAME *_stack_) \
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{ \
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free(_stack_->buffer); \
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free(_stack_); \
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} \
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\
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FMOD bool PFX##_push(SNAME *_stack_, V element) \
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{ \
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if (PFX##_full(_stack_)) \
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@@ -0,0 +1,34 @@
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/**
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* timer.h
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*
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* Creation Date: 12/04/2019
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*
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* Authors:
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* Leonardo Vencovsky (https://github.com/LeoVen)
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*
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*/
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/* Simple timer macros utility */
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#ifndef CMC_TIMER_H
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#define CMC_TIMER_H
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#include <time.h>
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typedef struct timer_s
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{
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clock_t start;
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clock_t stop;
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double result;
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} timer_t;
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#define TIMER_START(timer) \
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timer.start = clock();
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#define TIMER_STOP(timer) \
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timer.stop = clock();
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#define TIMER_CALC(timer) \
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timer.result = (double)(((timer.stop - timer.start) * 1000.0) / CLOCKS_PER_SEC);
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#endif /* CMC_TIMER_H */
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