From e57559f8ae50b489dd5e239179e518d0834054da Mon Sep 17 00:00:00 2001
From: Patrick Simianer <p@simianer.de>
Date: Thu, 16 Jul 2015 16:10:31 +0200
Subject: SparseVector: fixes

---
 test/test_sparsevector.rb | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'test/test_sparsevector.rb')

diff --git a/test/test_sparsevector.rb b/test/test_sparsevector.rb
index a23a7d3..2263c73 100755
--- a/test/test_sparsevector.rb
+++ b/test/test_sparsevector.rb
@@ -10,9 +10,13 @@ class TestSparseVector <  Test::Unit::TestCase
     v[:a] = 1
     v[:b] = 2
     v[:c] = 3
+    w = SparseVector.new v
     assert_equal Math.sqrt(1**2+2**2+3**2), v.norm
     v.unit!
     assert_equal v.norm, 1.0
+    q = w.unit
+    assert_equal q.norm, 1.0
+    assert_equal w.norm, Math.sqrt(1**2+2**2+3**2)
   end
 end
 
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