initial revamp of torch7 tree

1 files changed, 20 insertions, 0 deletions

diff --git a/Select.lua b/Select.lua
new file mode 100644
index 0000000..acf8e06
--- /dev/null
+++ b/Select.lua
@@ -0,0 +1,20 @@
+local Select, parent = torch.class('nn.Select', 'nn.Module')
+
+function Select:__init(dimension,index)
+   parent.__init(self)
+   self.dimension = dimension
+   self.index = index 
+end
+
+function Select:updateOutput(input)
+   local output = input:select(self.dimension,self.index);
+   self.output:resizeAs(output)
+   return self.output:copy(output)
+end
+
+function Select:updateGradInput(input, gradOutput)
+   self.gradInput:resizeAs(input)  
+   self.gradInput:zero()
+   self.gradInput:select(self.dimension,self.index):copy(gradOutput) 
+   return self.gradInput
+end