diff options
author | marcandre <marcandre@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-07-11 05:19:33 +0000 |
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committer | marcandre <marcandre@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-07-11 05:19:33 +0000 |
commit | 72d05366066176f73d7199da67036c4f8778595a (patch) | |
tree | dc5ecc605e3aed4e188fba95bfadc3fe8cf6a9ae /lib/matrix.rb | |
parent | 9412551ee298619d827f892baad58c6a7687f017 (diff) |
* 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
Diffstat (limited to 'lib/matrix.rb')
-rw-r--r-- | lib/matrix.rb | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/matrix.rb b/lib/matrix.rb index 1a7519f408..026492b6b8 100644 --- a/lib/matrix.rb +++ b/lib/matrix.rb @@ -1811,9 +1811,9 @@ class Vector # def cross_product(v) Vector.Raise ErrDimensionMismatch unless size == v.size && v.size == 3 - Vector[ v[1]*@elements[2] - v[2]*@elements[1], - v[2]*@elements[0] - v[0]*@elements[2], - v[0]*@elements[1] - v[1]*@elements[0] ] + Vector[ v[2]*@elements[1] - v[1]*@elements[2], + v[0]*@elements[2] - v[2]*@elements[0], + v[1]*@elements[0] - v[0]*@elements[1] ] end # |