diff options
Diffstat (limited to 'Minus.lua')
-rw-r--r-- | Minus.lua | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Minus.lua b/Minus.lua new file mode 100644 index 0000000..fa1be52 --- /dev/null +++ b/Minus.lua @@ -0,0 +1,11 @@ +local Minus, parent = torch.class('nn.Minus', 'nn.Module') + +function Minus:forward(input) + self.output:resizeAs(input):copy(input):mul(-1) + return self.output +end + +function Minus:backward(input, gradOutput) + self.gradInput:resizeAs(input):copy(gradOutput):mul(-1) + return self.gradInput +end |