From 358f58ba3aa85855fa269d9492bb581efa2bcf98 Mon Sep 17 00:00:00 2001
From: Tim Schaub <tim.schaub@gmail.com>
Date: Fri, 16 Nov 2018 10:34:50 +0100
Subject: [PATCH] Doc for transform toString function

---
 src/ol/transform.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/ol/transform.js b/src/ol/transform.js
index 65c3b4f2f1..cbb19c3c39 100644
--- a/src/ol/transform.js
+++ b/src/ol/transform.js
@@ -237,6 +237,12 @@ export function determinant(mat) {
   return mat[0] * mat[3] - mat[1] * mat[2];
 }
 
+/**
+ * A string version of the transform.  This can be used
+ * for CSS transforms.
+ * @param {!Transform} mat Matrix.
+ * @return {string} The transform as a string.
+ */
 export function toString(mat) {
   return 'matrix(' + mat.join(', ') + ')';
 }