From: Sven Verdoolaege <skimo@kotnet.org>
Date: Fri, 3 Jun 2011 08:38:50 +0000 (+0200)
Subject: add isl_mat_normalize_row
X-Git-Tag: isl-0.07~120
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0def606fc0677dc1e26e75b2e28ea7ed0979fbb9;p=platform%2Fupstream%2Fisl.git

add isl_mat_normalize_row

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

diff --git a/include/isl/mat.h b/include/isl/mat.h
index dfa74c2..eda1048 100644
--- a/include/isl/mat.h
+++ b/include/isl/mat.h
@@ -66,6 +66,7 @@ __isl_give isl_mat *isl_mat_right_inverse(__isl_take isl_mat *mat);
 __isl_give isl_mat *isl_mat_right_kernel(__isl_take isl_mat *mat);
 
 __isl_give isl_mat *isl_mat_normalize(__isl_take isl_mat *mat);
+__isl_give isl_mat *isl_mat_normalize_row(__isl_take isl_mat *mat, int row);
 
 struct isl_mat *isl_mat_drop_cols(struct isl_mat *mat,
 				unsigned col, unsigned n);
diff --git a/isl_mat.c b/isl_mat.c
index b351f0e..e64beae 100644
--- a/isl_mat.c
+++ b/isl_mat.c
@@ -1597,6 +1597,17 @@ __isl_give isl_mat *isl_mat_normalize(__isl_take isl_mat *mat)
 	return mat;
 }
 
+__isl_give isl_mat *isl_mat_normalize_row(__isl_take isl_mat *mat, int row)
+{
+	mat = isl_mat_cow(mat);
+	if (!mat)
+		return NULL;
+
+	isl_seq_normalize(mat->ctx, mat->row[row], mat->n_col);
+
+	return mat;
+}
+
 /* Number of initial non-zero columns.
  */
 int isl_mat_initial_non_zero_cols(__isl_keep isl_mat *mat)