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| author | nagachika <nagachika@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-07-11 14:08:51 +0000 |
|---|---|---|
| committer | nagachika <nagachika@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-07-11 14:08:51 +0000 |
| commit | feea0a9e82a73951c8b75ff7461e731d92919ad7 (patch) | |
| tree | 0295b5eebc2b8d3a6b7ebdcf046b3b1894ac4cf7 /lib | |
| parent | 068a7dff125f7f1fc440254f5ae5f7d86fca64e7 (diff) | |
merge revision(s) r46780: [Backport #9499]
* lib/matrix.rb: Fix sign for cross_product [#9499]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@46789 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib')
| -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 f82ed65979..b20fd9451f 100644 --- a/lib/matrix.rb +++ b/lib/matrix.rb @@ -1764,9 +1764,9 @@ 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 # |