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| author | marcandre <marcandre@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-11-19 17:32:58 +0000 |
|---|---|---|
| committer | marcandre <marcandre@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-11-19 17:32:58 +0000 |
| commit | 4da89e192a757ee06e00bea15c6fe659d424ca32 (patch) | |
| tree | f2d7d73dafd99f77013796fd879a987fe0ebdca0 /test/matrix | |
| parent | 098127dc2bc417419490a83b94b3e179389828b0 (diff) | |
| download | ruby-4da89e192a757ee06e00bea15c6fe659d424ca32.tar.gz | |
* 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
Diffstat (limited to 'test/matrix')
| -rw-r--r-- | test/matrix/test_vector.rb | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/test/matrix/test_vector.rb b/test/matrix/test_vector.rb index a063d2ca12..9607755feb 100644 --- a/test/matrix/test_vector.rb +++ b/test/matrix/test_vector.rb @@ -182,4 +182,15 @@ class TestVector < Test::Unit::TestCase assert_raise(ArgumentError) { Vector[1, 2].cross_product(Vector[2, -1]) } assert_raise(Vector::ErrOperationNotDefined) { Vector[1].cross_product } end + + def test_angle_with + assert_in_epsilon(Math::PI, Vector[1, 0].angle_with(Vector[-1, 0])) + assert_in_epsilon(Math::PI/2, Vector[1, 0].angle_with(Vector[0, -1])) + assert_in_epsilon(Math::PI/4, Vector[2, 2].angle_with(Vector[0, 1])) + assert_in_delta(0.0, Vector[1, 1].angle_with(Vector[1, 1]), 0.00001) + + assert_raise(Vector::ZeroVectorError) { Vector[1, 1].angle_with(Vector[0, 0]) } + assert_raise(Vector::ZeroVectorError) { Vector[0, 0].angle_with(Vector[1, 1]) } + assert_raise(Matrix::ErrDimensionMismatch) { Vector[1, 2, 3].angle_with(Vector[0, 1]) } + end end |