From 72d05366066176f73d7199da67036c4f8778595a Mon Sep 17 00:00:00 2001 From: marcandre Date: Fri, 11 Jul 2014 05:19:33 +0000 Subject: * lib/matrix.rb: Fix sign for cross_product [#9499] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46780 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- test/matrix/test_vector.rb | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'test/matrix') diff --git a/test/matrix/test_vector.rb b/test/matrix/test_vector.rb index 18660df574..ced774c490 100644 --- a/test/matrix/test_vector.rb +++ b/test/matrix/test_vector.rb @@ -146,4 +146,9 @@ class TestVector < Test::Unit::TestCase v = Vector[Rational(1,2), 0] assert_equal(0.5, v.norm) end + + def test_cross_product + v = Vector[1, 0, 0].cross_product Vector[0, 1, 0] + assert_equal(Vector[0, 0, 1], v) + end end -- cgit v1.2.3