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authormarcandre <marcandre@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2015-03-05 23:45:42 +0000
committermarcandre <marcandre@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2015-03-05 23:45:42 +0000
commitb81950f480df1c07f2e6f271d23d066dafdc0e1f (patch)
tree032b3e9f6e56fd5acb4cb353ea16969c4c9d3a5d /lib
parentce85cd55c621804a39f06e9ce46974fc693ff8df (diff)
downloadruby-b81950f480df1c07f2e6f271d23d066dafdc0e1f.tar.gz
* lib/matrix.rb: Add Vector#round. Patch by Jordan Stephens.
[Fixes GH-802] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49866 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib')
-rw-r--r--lib/matrix.rb8
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/matrix.rb b/lib/matrix.rb
index 1f8f0589e1..f1e30f82cb 100644
--- a/lib/matrix.rb
+++ b/lib/matrix.rb
@@ -1713,6 +1713,7 @@ end
# * #norm
# * #normalize
# * #r
+# * #round
# * #size
#
# Conversion to other data types:
@@ -1790,6 +1791,13 @@ class Vector
alias set_component []=
private :[]=, :set_element, :set_component
+ # Returns a vector with entries rounded to the given precision
+ # (see Float#round)
+ #
+ def round(ndigits=0)
+ map{|e| e.round(ndigits)}
+ end
+
#
# Returns the number of elements in the vector.
#