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-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.
#