1 files changed, 34 insertions, 0 deletions
diff --git a/SpatialMaxPooling.lua b/SpatialMaxPooling.lua
new file mode 100644
index 0000000..21197ac
--- /dev/null
+++ b/SpatialMaxPooling.lua
@@ -0,0 +1,34 @@
+local SpatialMaxPooling, parent = torch.class('nn.SpatialMaxPooling', 'nn.Module')
+
+function SpatialMaxPooling:__init(kW, kH, dW, dH)
+   parent.__init(self)
+
+   dW = dW or kW
+   dH = dH or kH
+   
+   self.kW = kW
+   self.kH = kH
+   self.dW = dW
+   self.dH = dH
+
+   self.indices = torch.Tensor()
+end
+
+function SpatialMaxPooling:updateOutput(input)
+   input.nn.SpatialMaxPooling_updateOutput(self, input)
+   return self.output
+end
+
+function SpatialMaxPooling:updateGradInput(input, gradOutput)
+   input.nn.SpatialMaxPooling_updateGradInput(self, input, gradOutput)
+   return self.gradInput
+end
+
+function SpatialMaxPooling:empty()
+   self.gradInput:resize()
+   self.gradInput:storage():resize(0)
+   self.output:resize()
+   self.output:storage():resize(0)
+   self.indices:resize()
+   self.indices:storage():resize(0)
+end