add isl_vec_clr

Signed-off-by: Sven Verdoolaege <skimo@kotnet.org>

2 files changed, 10 insertions, 0 deletions

diff --git a/include/isl_vec.h b/include/isl_vec.h
index 3107311a..f1f2078f 100644
--- a/include/isl_vec.h
+++ b/include/isl_vec.h
@@ -42,6 +42,7 @@ void isl_vec_dump(struct isl_vec *vec, FILE *out, int indent);
 void isl_vec_lcm(struct isl_vec *vec, isl_int *lcm);
 struct isl_vec *isl_vec_ceil(struct isl_vec *vec);
 struct isl_vec *isl_vec_normalize(struct isl_vec *vec);
+__isl_give isl_vec *isl_vec_clr(__isl_take isl_vec *vec);
 __isl_give isl_vec *isl_vec_scale(__isl_take isl_vec *vec, isl_int m);
 __isl_give isl_vec *isl_vec_add(__isl_take isl_vec *vec1,
 	__isl_take isl_vec *vec2);
diff --git a/isl_vec.c b/isl_vec.c
index d380f7fb..b8524aef 100644
--- a/isl_vec.c
+++ b/isl_vec.c
@@ -146,6 +146,15 @@ void isl_vec_dump(struct isl_vec *vec, FILE *out, int indent)
 	fprintf(out, "]\n");
 }
 
+__isl_give isl_vec *isl_vec_clr(__isl_take isl_vec *vec)
+{
+	vec = isl_vec_cow(vec);
+	if (!vec)
+		return NULL;
+	isl_seq_clr(vec->el, vec->size);
+	return vec;
+}
+
 void isl_vec_lcm(struct isl_vec *vec, isl_int *lcm)
 {
 	isl_seq_lcm(vec->block.data, vec->size, lcm);