Merge pull request #816 from iamalbert/fix-clearstate

prevent SelectTable and NarrowTable clears input

Author: soumith

NarrowTable.lua

@@ -39,3 +39,5 @@ function NarrowTable:type(type, tensorCache)
    self.gradInput = {}
    return parent.type(self, type, tensorCache)
 end
+
+NarrowTable.clearState = nn.Identity.clearState

SelectTable.lua

@@ -58,3 +58,5 @@ end
 function SelectTable:__tostring__()
   return torch.type(self) .. '(' .. self.index .. ')'
 end
+
+SelectTable.clearState = nn.Identity.clearState

init.lua

@@ -125,6 +125,7 @@ require('nn.VolumetricAveragePooling')
 require('nn.VolumetricBatchNormalization')
 
 require('nn.ParallelTable')
+require('nn.Identity')
 require('nn.ConcatTable')
 require('nn.SplitTable')
 require('nn.JoinTable')
@@ -133,7 +134,6 @@ require('nn.MixtureTable')
 require('nn.CriterionTable')
 require('nn.FlattenTable')
 require('nn.NarrowTable')
-require('nn.Identity')
 
 require('nn.Criterion')
 require('nn.MSECriterion')