* lib/matrix.rb: Add Vector#angle_with

  Patch by Egunov Dmitriy [#10442]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48505 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/NEWS b/NEWS
index 8c7d1ea9af..df5b64e961 100644
--- a/NEWS
+++ b/NEWS
@@ -172,6 +172,7 @@ with all sufficient information, see the ChangeLog file.
     * Unary - and + added for Vector and Matrix.
     * Vector#cross_product generalized to arbitrary dimensions.
     * Vector#dot and #cross are aliases for #inner_product and #cross_product.
+    * Vector#angle_with returns the angle with its argument
 
 * Pathname
   * Pathname#/ is aliased to Pathname#+.