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MapTable.lua
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MapTable.lua
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#Minwei Feng
local MapTable, parent = torch.class('nn.MapTable', 'nn.Container')
function MapTable:__init()
parent.__init(self)
self.modules = {}
self.output = {}
self.gradInput = {}
end
function MapTable:updateOutput(input)
for i=1,#input do
self.output[i] = self:rethrowErrors(self.modules[1], 1, 'updateOutput', input[i])
end
return self.output
end
function MapTable:updateGradInput(input, gradOutput)
for i=1,#input do
self.gradInput[i] = self:rethrowErrors(self.modules[1], 1, 'updateGradInput', input[i], gradOutput[i])
end
return self.gradInput
end
function MapTable:accGradParameters(input, gradOutput, scale)
scale = scale or 1
for i=1,#input do
self:rethrowErrors(self.modules[1], 1, 'accGradParameters', input[i], gradOutput[i], scale)
end
end
function MapTable:accUpdateGradParameters(input, gradOutput, lr)
lr = lr or 1
for i=1,#input do
self:rethrowErrors(self.modules[1], 1, 'accUpdateGradParameters', input[i], gradOutput[i], lr)
end
end
function MapTable:__tostring__()
local tab = ' '
local line = '\n'
local next = ' |`-> '
local ext = ' | '
local extlast = ' '
local last = ' ... -> '
local str = torch.type(self)
str = str .. ' {' .. line .. tab .. 'input'
for i=1,#self.modules do
if i == self.modules then
str = str .. line .. tab .. next .. '(' .. i .. '): ' .. tostring(self.modules[i]):gsub(line, line .. tab .. extlast)
else
str = str .. line .. tab .. next .. '(' .. i .. '): ' .. tostring(self.modules[i]):gsub(line, line .. tab .. ext)
end
end
str = str .. line .. tab .. last .. 'output'
str = str .. line .. '}'
return str
end