From d46baaca83b0a94eb43f4a131d19c45c11b229c4 Mon Sep 17 00:00:00 2001
From: Patrick Simianer <p@simianer.de>
Date: Fri, 6 Mar 2015 19:05:39 +0100
Subject: fileutil: rewind, SV: division -> bump to 1.2.4

---
 lib/zipf/SparseVector.rb | 9 +++++++++
 lib/zipf/fileutil.rb     | 4 ++++
 2 files changed, 13 insertions(+)

(limited to 'lib')

diff --git a/lib/zipf/SparseVector.rb b/lib/zipf/SparseVector.rb
index 837403a..5d219b8 100644
--- a/lib/zipf/SparseVector.rb
+++ b/lib/zipf/SparseVector.rb
@@ -179,6 +179,15 @@ class SparseVector < Hash
     return new
   end
 
+  def / scalar
+    raise ArgumentError, "Arg is not numeric #{scalar}" unless scalar.is_a? Numeric
+    new = SparseVector.new
+    self.keys.each { |k|
+      new[k] = self[k] / scalar
+    }
+    return new
+  end
+
   def self.mean a
     mean = SparseVector.new
     a.each { |i|
diff --git a/lib/zipf/fileutil.rb b/lib/zipf/fileutil.rb
index ac701da..7ae0c55 100644
--- a/lib/zipf/fileutil.rb
+++ b/lib/zipf/fileutil.rb
@@ -18,6 +18,10 @@ class ReadFile
     @f.gets { |line| yield line }
   end
 
+  def rewind
+    @f.rewind
+  end
+
   def readlines
     @f.readlines
   end
-- 
cgit v1.2.3