add new function to sort (qsort) for now stdlib

include/capybara/serie_int32.h

@@ -34,6 +34,7 @@ typedef struct {
 	long double	(*sum)(serie_int32_t *);
 	double		(*variance)(serie_int32_t *);
 	double		(*std_dev)(serie_int32_t *);
+	void		(*sort)(serie_int32_t *);
 } serie_int32_ops;
 
 /* serie_int32 */

src/serie_int32.c

@@ -25,6 +25,7 @@
 #include "capybara/utils.h"
 
 #define SERIE ((struct serie_int32_impl *)s)
+#define N(x) (sizeof(x) / sizeof(x[0]))
 
 /* implementation */
 struct serie_int32_impl {
@@ -52,6 +53,8 @@ static double	 	mean(serie_int32_t *);
 static long double	 sum(serie_int32_t *);
 static double	 	 variance(serie_int32_t *);
 static double	 	 std_dev(serie_int32_t *);
+static void		 sort(serie_int32_t *);
+static int		 cmp(const void *, const void *);
 
 static serie_int32_ops int32_ops = {
 	set_name,
@@ -67,9 +70,28 @@ static serie_int32_ops int32_ops = {
 	mean,
 	sum,
 	variance,
-	std_dev
+	std_dev,
+	sort
 };
 
+static void
+sort(serie_int32_t *s)
+{
+	const size_t sz = size(s);
+	const size_t szint = sizeof(int32_t);
+
+	qsort(SERIE->data, sz, szint, cmp);
+}
+
+static int
+cmp(const void *a, const void *b)
+{
+	const int32_t *ia = (const int32_t *)a;
+	const int32_t *ib = (const int32_t *)b;
+
+	return *ia - *ib;
+}
+
 static double
 std_dev(serie_int32_t *s)
 {

test/test_serie_int32.c

@@ -208,6 +208,26 @@ test_sd_dev_serie_int32(void)
 	s->ops->free_serie(s);
 }
 
+void
+test_sort_serie_int32(void)
+{
+  	serie_int32_t *s = serie_int32_new();
+	double std_dev = 0;
+
+	s->ops->add(s, 5);
+	s->ops->add(s, 2);
+	s->ops->add(s, 1);
+	s->ops->add(s, 4);
+
+	s->ops->sort(s);
+
+	TEST_ASSERT_EQUAL(1, *s->ops->get(s, 0));
+	TEST_ASSERT_EQUAL(5, *s->ops->get(s, 3));
+
+	s->ops->free_serie(s);
+}
+
+
 
 int
 main(void)
@@ -227,6 +247,7 @@ main(void)
 	RUN_TEST(test_sum_serie_int32);
 	RUN_TEST(test_variance_serie_int32);
 	RUN_TEST(test_sd_dev_serie_int32);
+	RUN_TEST(test_sort_serie_int32);
 
   	return UNITY_END();
 }