--- /dev/null
+# Sample Makefile to build simple project.
+#
+# This Makefile expect all source files (.c) to be at the same level, in the
+# current working directory.
+#
+# It will automatically generate dependencies, compile all files, and produce a
+# binary using the provided name.
+#
+# Set BINARY_NAME to the name of the binary file to build.
+# Set BUILD_TYPE to either debug or release
+#
+# Automatic dependencies code from:
+# http://make.mad-scientist.net/papers/advanced-auto-dependency-generation/#tldr
+BINARY_NAME=exo1
+BUILD_TYPE=debug
+
+# ====================================
+# DO NOT CHANGE STUFF BEYOND THIS LINE
+# ====================================
+
+all: $(BINARY_NAME)
+
+CC=gcc
+LD=gcc
+
+WARN_FLAGS = -Wall -Wextra
+STD_FLAG = -std=c11
+
+ifeq ($(BUILD_TYPE),debug)
+BUILDDIR := .build/debug
+DEBUG_FLAG = -g
+STRIP_FLAG =
+OPTI_FLAG = -O0
+else
+BUILDDIR := .build/release
+DEBUG_FLAG =
+STRIP_FLAG = -s
+OPTI_FLAG = -O3
+endif
+
+CFLAGS := $(CFLAGS) $(WARN_FLAGS) $(STD_FLAG) $(OPTI_FLAG) $(DEBUG_FLAG)
+LDFLAGS := $(LDFLAGS) $(STRIP_FLAG)
+
+OBJDIR := $(BUILDDIR)/objs
+$(shell mkdir -p $(OBJDIR))
+
+SRCS=$(wildcard *.c)
+OBJS=$(patsubst %.c,$(OBJDIR)/%.o,$(SRCS))
+
+DEPDIR := $(BUILDDIR)/deps
+$(shell mkdir -p $(DEPDIR))
+DEPFLAGS = -MT $@ -MMD -MP -MF $(DEPDIR)/$*.Td
+POSTCOMPILE = mv -f $(DEPDIR)/$*.Td $(DEPDIR)/$*.d
+
+$(BINARY_NAME): $(OBJS)
+ @echo "[LD ] $@"
+ @$(LD) $(CFLAGS) $(LDFLAGS) $^ $(LDLIBS) -o $@
+
+$(OBJDIR)/%.o: %.c $(DEPDIR)/%.d
+ @echo "[C ] $*"
+ @$(CC) $(DEPFLAGS) $(CFLAGS) -c $< -o $@
+ @$(POSTCOMPILE)
+
+$(DEPDIR)/%.d: ;
+
+.PRECIOUS: $(DEPDIR)/%.d
+
+include $(wildcard $(patsubst %,$(DEPDIR)/%.d,$(basename $(SRCS))))
+
+run:
+ ./$(BINARY_NAME)
+
+clean:
+ @echo "[CLN]"
+ -@rm -r $(BUILDDIR)
+ -@rm $(BINARY_NAME)
+
+disassemble: $(BINARY_NAME)
+ objdump -d $< | less
+
+symbols: $(BINARY_NAME)
+ objdump -t $< | sort | less
--- /dev/null
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "graphs.h"
+
+void init_adj_matrix(int adj_matrix[num_nodes][num_nodes]) {
+ for (unsigned int i = 0; i < num_nodes; i++) {
+ for (unsigned int j = 0; j < num_nodes; j++) {
+ adj_matrix[i][j] = 0;
+ }
+ }
+}
+
+unsigned int num_successors_adj_matrix(unsigned int node, int adj_matrix[num_nodes][num_nodes]) {
+ unsigned int num_successors = 0;
+
+ for (unsigned int i = 0; i < num_nodes; i++) {
+ if (adj_matrix[node][i] == 1) {
+ num_successors++;
+ }
+ }
+ return num_successors;
+}
+
+unsigned int num_successors_adj_list(unsigned int node, succ_list_t* nodes[num_nodes]) {
+ struct list_head* list_iter = NULL;
+ unsigned int num_successors = 0;
+
+ if (!list_empty(&nodes[node]->list)) {
+ list_for_each(list_iter, &nodes[node]->list) {
+ num_successors++;
+ }
+ }
+ return num_successors;
+}
+
+bool has_successor_adj_matrix(unsigned int node, int adj_matrix[num_nodes][num_nodes]) {
+
+ for (unsigned int i = 0; i < num_nodes; i++) {
+ if (adj_matrix[node][i] == 1) {
+ return true;
+ }
+ }
+ return false;
+}
+
+void add_adj_list_cell(unsigned int node, bool is_valued, int value, succ_list_t* successors_list) {
+ succ_list_t* list_cell = (succ_list_t*)malloc(sizeof(succ_list_t));
+ if (!list_cell) {
+ exit(EXIT_FAILURE);
+ }
+
+ list_cell->num_node = node;
+ if (is_valued) list_cell->val = value;
+ list_add_tail(&(list_cell->list), &(successors_list->list));
+}
+
+void free_adj_list(succ_list_t* successors_list) {
+ succ_list_t* list_iter = NULL;
+
+ while (!list_empty(&successors_list->list)) {
+ list_iter = list_entry(successors_list->list.next, succ_list_t, list);
+ list_del(&(list_iter->list));
+ free(list_iter);
+ }
+}
+
+void build_adj_list(unsigned int node, int adj_matrix[num_nodes][num_nodes], succ_list_t* successors_list) {
+ unsigned int num_successors = 0;
+
+ num_successors = num_successors_adj_matrix(node, adj_matrix);
+
+ for (unsigned int i = 0; i < num_successors && num_successors != 0; i++) {
+ if (adj_matrix[node][i] == 1) {
+ add_adj_list_cell(node, false, 0, successors_list);
+ }
+ }
+}
+
+void convert_adj_matrix_to_adj_lists(int adj_matrix[num_nodes][num_nodes], succ_list_t* nodes[num_nodes]) {
+ succ_list_t succ_list_array[num_nodes];
+
+ for (unsigned int i = 0; i < num_nodes; i++) {
+ //init num_nodes linked list
+ INIT_LIST_HEAD(&(succ_list_array[i].list));
+ //NOTE: the nodes array is NOT the head of the list, they point to the list head
+ build_adj_list(i, adj_matrix, &succ_list_array[i]);
+ //if list_array[i] not empty, then nodes[i] = &list_array[i] else = NULL
+ }
+}
+
+void display_adj_matrix(int adj_matrix[num_nodes][num_nodes]) {
+ for (unsigned int i = 0; i < num_nodes; i++) {
+ for (unsigned int j = 0; j < num_nodes; j++) {
+ printf("%d ", adj_matrix[i][j]);
+ }
+ printf("\n");
+ }
+}
+
+void display_adj_lists(succ_list_t* nodes[num_nodes]) {
+ succ_list_t* list_iter = NULL;
+
+ for (unsigned int i = 0; i < num_nodes; i++) {
+ list_for_each_entry(list_iter, &nodes[i]->list, list) {
+ printf("%d ", list_iter->num_node);
+ }
+ printf("\n");
+ }
+}
--- /dev/null
+#ifndef __LIST_H
+#define __LIST_H
+
+/* This file is from Linux Kernel (include/linux/list.h)
+ * and modified by simply removing hardware prefetching of list items.
+ * Here by copyright, credits attributed to wherever they belong.
+ * Kulesh Shanmugasundaram (kulesh [squiggly] isis.poly.edu)
+ */
+
+/*
+ * Simple doubly linked list implementation.
+ *
+ * Some of the internal functions ("__xxx") are useful when
+ * manipulating whole lists rather than single entries, as
+ * sometimes we already know the next/prev entries and we can
+ * generate better code by using them directly rather than
+ * using the generic single-entry routines.
+ */
+
+struct list_head {
+ struct list_head *next, *prev;
+};
+
+#define typeof __typeof__
+
+#define LIST_HEAD_INIT(name) { &(name), &(name) }
+
+#define LIST_HEAD(name) \
+ struct list_head name = LIST_HEAD_INIT(name)
+
+#define INIT_LIST_HEAD(ptr) do { \
+ (ptr)->next = (ptr); (ptr)->prev = (ptr); \
+} while (0)
+
+/*
+ * Insert a new entry between two known consecutive entries.
+ *
+ * This is only for internal list manipulation where we know
+ * the prev/next entries already!
+ */
+static inline void __list_add(struct list_head *new,
+ struct list_head *prev,
+ struct list_head *next)
+{
+ next->prev = new;
+ new->next = next;
+ new->prev = prev;
+ prev->next = new;
+}
+
+/**
+ * list_add - add a new entry
+ * @new: new entry to be added
+ * @head: list head to add it after
+ *
+ * Insert a new entry after the specified head.
+ * This is good for implementing stacks.
+ */
+static inline void list_add(struct list_head *new, struct list_head *head)
+{
+ __list_add(new, head, head->next);
+}
+
+/**
+ * list_add_tail - add a new entry
+ * @new: new entry to be added
+ * @head: list head to add it before
+ *
+ * Insert a new entry before the specified head.
+ * This is useful for implementing queues.
+ */
+static inline void list_add_tail(struct list_head *new, struct list_head *head)
+{
+ __list_add(new, head->prev, head);
+}
+
+/*
+ * Delete a list entry by making the prev/next entries
+ * point to each other.
+ *
+ * This is only for internal list manipulation where we know
+ * the prev/next entries already!
+ */
+static inline void __list_del(struct list_head *prev, struct list_head *next)
+{
+ next->prev = prev;
+ prev->next = next;
+}
+
+/**
+ * list_del - deletes entry from list.
+ * @entry: the element to delete from the list.
+ * Note: list_empty on entry does not return true after this, the entry is in an undefined state.
+ */
+static inline void list_del(struct list_head *entry)
+{
+ __list_del(entry->prev, entry->next);
+ entry->next = (void *) 0;
+ entry->prev = (void *) 0;
+}
+
+/**
+ * list_del_init - deletes entry from list and reinitialize it.
+ * @entry: the element to delete from the list.
+ */
+static inline void list_del_init(struct list_head *entry)
+{
+ __list_del(entry->prev, entry->next);
+ INIT_LIST_HEAD(entry);
+}
+
+/**
+ * list_move - delete from one list and add as another's head
+ * @list: the entry to move
+ * @head: the head that will precede our entry
+ */
+static inline void list_move(struct list_head *list, struct list_head *head)
+{
+ __list_del(list->prev, list->next);
+ list_add(list, head);
+}
+
+/**
+ * list_move_tail - delete from one list and add as another's tail
+ * @list: the entry to move
+ * @head: the head that will follow our entry
+ */
+static inline void list_move_tail(struct list_head *list,
+ struct list_head *head)
+{
+ __list_del(list->prev, list->next);
+ list_add_tail(list, head);
+}
+
+/**
+ * list_empty - tests whether a list is empty
+ * @head: the list to test.
+ */
+static inline int list_empty(struct list_head *head)
+{
+ return head->next == head;
+}
+
+static inline void __list_splice(struct list_head *list,
+ struct list_head *head)
+{
+ struct list_head *first = list->next;
+ struct list_head *last = list->prev;
+ struct list_head *at = head->next;
+
+ first->prev = head;
+ head->next = first;
+
+ last->next = at;
+ at->prev = last;
+}
+
+/**
+ * list_splice - join two lists
+ * @list: the new list to add.
+ * @head: the place to add it in the first list.
+ */
+static inline void list_splice(struct list_head *list, struct list_head *head)
+{
+ if (!list_empty(list))
+ __list_splice(list, head);
+}
+
+/**
+ * list_splice_init - join two lists and reinitialise the emptied list.
+ * @list: the new list to add.
+ * @head: the place to add it in the first list.
+ *
+ * The list at @list is reinitialised
+ */
+static inline void list_splice_init(struct list_head *list,
+ struct list_head *head)
+{
+ if (!list_empty(list)) {
+ __list_splice(list, head);
+ INIT_LIST_HEAD(list);
+ }
+}
+
+/**
+ * list_entry - get the struct for this entry
+ * @ptr: the &struct list_head pointer.
+ * @type: the type of the struct this is embedded in.
+ * @member: the name of the list_struct within the struct.
+ */
+#define list_entry(ptr, type, member) \
+ ((type *)((char *)(ptr)-(unsigned long)(&((type *)0)->member)))
+
+/**
+ * list_for_each - iterate over a list
+ * @pos: the &struct list_head to use as a loop counter.
+ * @head: the head for your list.
+ */
+#define list_for_each(pos, head) \
+ for (pos = (head)->next; pos != (head); \
+ pos = pos->next)
+/**
+ * list_for_each_prev - iterate over a list backwards
+ * @pos: the &struct list_head to use as a loop counter.
+ * @head: the head for your list.
+ */
+#define list_for_each_prev(pos, head) \
+ for (pos = (head)->prev; pos != (head); \
+ pos = pos->prev)
+
+/**
+ * list_for_each_safe - iterate over a list safe against removal of list entry
+ * @pos: the &struct list_head to use as a loop counter.
+ * @n: another &struct list_head to use as temporary storage
+ * @head: the head for your list.
+ */
+#define list_for_each_safe(pos, n, head) \
+ for (pos = (head)->next, n = pos->next; pos != (head); \
+ pos = n, n = pos->next)
+
+/**
+ * list_for_each_entry - iterate over list of given type
+ * @pos: the type * to use as a loop counter.
+ * @head: the head for your list.
+ * @member: the name of the list_struct within the struct.
+ */
+#define list_for_each_entry(pos, head, member) \
+ for (pos = list_entry((head)->next, typeof(*pos), member); \
+ &pos->member != (head); \
+ pos = list_entry(pos->member.next, typeof(*pos), member))
+
+/**
+ * list_for_each_entry_safe - iterate over list of given type safe against removal of list entry
+ * @pos: the type * to use as a loop counter.
+ * @n: another type * to use as temporary storage
+ * @head: the head for your list.
+ * @member: the name of the list_struct within the struct.
+ */
+#define list_for_each_entry_safe(pos, n, head, member) \
+ for (pos = list_entry((head)->next, typeof(*pos), member), \
+ n = list_entry(pos->member.next, typeof(*pos), member); \
+ &pos->member != (head); \
+ pos = n, n = list_entry(n->member.next, typeof(*n), member))
+
+
+#endif
repositories / Algorithmic_C.git / commitdiff
