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-rw-r--r--contrib/lua-torch/nn/Exp.lua9
1 files changed, 9 insertions, 0 deletions
diff --git a/contrib/lua-torch/nn/Exp.lua b/contrib/lua-torch/nn/Exp.lua
new file mode 100644
index 000000000..f41569026
--- /dev/null
+++ b/contrib/lua-torch/nn/Exp.lua
@@ -0,0 +1,9 @@
+local Exp = torch.class('nn.Exp', 'nn.Module')
+
+function Exp:updateOutput(input)
+ return self.output:exp(input)
+end
+
+function Exp:updateGradInput(input, gradOutput)
+ return self.gradInput:cmul(self.output, gradOutput)
+end