blob: 582b362cdce989f4da10e9c1224c9d5032558d6a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
local CDivTable, parent = torch.class('nn.CDivTable', 'nn.Module')
function CDivTable:__init()
parent.__init(self)
self.gradInput = {}
end
function CDivTable:updateOutput(input)
self.output:resizeAs(input[1]):copy(input[1])
self.output:cdiv(input[2])
return self.output
end
function CDivTable:updateGradInput(input, gradOutput)
self.gradInput[1] = self.gradInput[1] or input[1].new()
self.gradInput[2] = self.gradInput[2] or input[1].new()
self.gradInput[1]:resizeAs(input[1]):copy(gradOutput):cdiv(input[2])
self.gradInput[2]:resizeAs(input[2]):zero():addcdiv(-1,self.gradInput[1],input[2]):cmul(input[1])
return self.gradInput
end
|
