X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=isl_vec.c;h=61bd57f5dfd54cd5c7ffcb5af7c0fa33933702a7;hb=556d287f982d8cc1a6f1fd6a318e926c95dbebf4;hp=606f6faa286e80a94f8e1cd4a7b4d19c6687caac;hpb=68823b6b9cdf48f9cb0a80741f15ac0b4d9f221f;p=platform%2Fupstream%2Fisl.git

diff --git a/isl_vec.c b/isl_vec.c
index 606f6fa..61bd57f 100644
--- a/isl_vec.c
+++ b/isl_vec.c
@@ -219,6 +219,15 @@ struct isl_vec *isl_vec_normalize(struct isl_vec *vec)
 	return vec;
 }
 
+__isl_give isl_vec *isl_vec_neg(__isl_take isl_vec *vec)
+{
+	vec = isl_vec_cow(vec);
+	if (!vec)
+		return NULL;
+	isl_seq_neg(vec->el, vec->el, vec->size);
+	return vec;
+}
+
 __isl_give isl_vec *isl_vec_scale(__isl_take isl_vec *vec, isl_int m)
 {
 	if (isl_int_is_one(m))
@@ -267,3 +276,69 @@ __isl_give isl_vec *isl_vec_sort(__isl_take isl_vec *vec)
 
 	return vec;
 }
+
+__isl_give isl_vec *isl_vec_drop_els(__isl_take isl_vec *vec,
+	unsigned pos, unsigned n)
+{
+	if (n == 0)
+		return vec;
+	vec = isl_vec_cow(vec);
+	if (!vec)
+		return NULL;
+
+	if (pos + n > vec->size)
+		isl_die(vec->ctx, isl_error_invalid,
+			"range out of bounds", goto error);
+
+	if (pos + n != vec->size)
+		isl_seq_cpy(vec->el + pos, vec->el + pos + n,
+			    vec->size - pos - n);
+
+	vec->size -= n;
+	
+	return vec;
+error:
+	isl_vec_free(vec);
+	return NULL;
+}
+
+__isl_give isl_vec *isl_vec_insert_els(__isl_take isl_vec *vec,
+	unsigned pos, unsigned n)
+{
+	isl_vec *ext = NULL;
+
+	if (n == 0)
+		return vec;
+	if (!vec)
+		return NULL;
+
+	if (pos > vec->size)
+		isl_die(vec->ctx, isl_error_invalid,
+			"position out of bounds", goto error);
+
+	ext =  isl_vec_alloc(vec->ctx, vec->size + n);
+	if (!ext)
+		goto error;
+
+	isl_seq_cpy(ext->el, vec->el, pos);
+	isl_seq_cpy(ext->el + pos + n, vec->el + pos, vec->size - pos);
+
+	isl_vec_free(vec);
+	return ext;
+error:
+	isl_vec_free(vec);
+	isl_vec_free(ext);
+	return NULL;
+}
+
+__isl_give isl_vec *isl_vec_insert_zero_els(__isl_take isl_vec *vec,
+	unsigned pos, unsigned n)
+{
+	vec = isl_vec_insert_els(vec, pos, n);
+	if (!vec)
+		return NULL;
+
+	isl_seq_clr(vec->el + pos, n);
+
+	return vec;
+}