From 5e5d7f244a00ab12a5e8d5a0171c6f3bc3c4e9cc Mon Sep 17 00:00:00 2001
From: nicholas-leonard <nick@nikopia.org>
Date: Thu, 10 Jul 2014 13:42:01 -0400
Subject: added accUpdate to nn.LookupTable

---
 test/test.lua | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'test')

diff --git a/test/test.lua b/test/test.lua
index 135624d..1eb571e 100644
--- a/test/test.lua
+++ b/test/test.lua
@@ -1,5 +1,9 @@
 require 'torch'
 
+-- you can easily test specific units like this: 
+-- luajit -lnn -e "nn.test{'LookupTable'}"
+-- luajit -lnn -e "nn.test{'LookupTable', 'Add'}"
+
 local mytester = torch.Tester()
 local jac
 local sjac
@@ -1821,6 +1825,13 @@ function nntest.LookupTable()
    local ferr,berr = jac.testIO(module,input,minval,maxval)
    mytester:asserteq(ferr, 0, torch.typename(module) .. ' - i/o forward err ')
    mytester:asserteq(berr, 0, torch.typename(module) .. ' - i/o backward err ')
+   
+   -- accUpdate
+   module:accUpdateOnly()
+   mytester:assert(not module.gradWeight, 'gradWeight is nil')
+   module:float()
+   local output = module:forward(input)
+   module:backwardUpdate(input, output, 0.1)
 end
  
 function nntest.AddConstant()
-- 
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