UBB/sort
1
0
Fork 0
Code Issues Pull Requests Releases 3 Activity

cleanup files

Browse Source
This commit is contained in:
Chris Cromer
2018-11-17 13:35:31 -03:00
parent 429ef47a78
commit 18fc551db3
8 changed files with 149 additions and 132 deletions
Download Patch File Download Diff File Expand all files Collapse all files

60
src/merge_sort.c
View File

@@ -13,35 +13,8 @@
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include "merge_sort.h"
/**
* Usar el algoritmo de merge sort
* @param array El array a ordenar
* @param n El tamaño del array
*/
void merge_sort(int *array, int n) {
int *temp = malloc(sizeof(int)* n);
merge_sort_run(array, temp, 0, n - 1);
free(temp);
}
/**
* Correro el merge sort recursivamente
* @param array El array a ordenar
* @param temp Un array temporario para trabajar
* @param left El lado izquerda a ordenar
* @param right El lado derercha a ordenar
*/
void merge_sort_run(int *array, int *temp, int left, int right) {
if (left != right) {
int middle = (left + right) / 2;
merge_sort_run(array, temp, left, middle);
merge_sort_run(array, temp, middle + 1, right);
merge(array, temp, left, middle + 1, right);
}
}
/**
* Unir los resultados de "dividir y conquistar" de merge sort
@@ -78,3 +51,34 @@ void merge(int *array, int *temp, int prev_left, int prev_middle, int right) {
array[left + i] = temp[i];
}
}
/**
* Correr el merge sort recursivamente
* @param array El array a ordenar
* @param temp Un array temporario para trabajar
* @param left El lado izquerda a ordenar
* @param right El lado derercha a ordenar
*/
void merge_sort_run(int *array, int *temp, int left, int right) {
if (left != right) {
int middle = (left + right) / 2;
merge_sort_run(array, temp, left, middle);
merge_sort_run(array, temp, middle + 1, right);
merge(array, temp, left, middle + 1, right);
}
}
/**
* Usar el algoritmo de merge sort
* @param array El array a ordenar
* @param n El tamaño del array
*/
void merge_sort(int *array, int n) {
int *temp = malloc(sizeof(int)* n);
if (temp == NULL) {
fprintf(stderr, "Error: Out of heap space!\n");
exit(5);
}
merge_sort_run(array, temp, 0, n - 1);
free(temp);
}