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-rw-r--r--nerv/examples/lmptb/tnn/layersT/lstm_t.lua50
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diff --git a/nerv/examples/lmptb/tnn/layersT/lstm_t.lua b/nerv/examples/lmptb/tnn/layersT/lstm_t.lua
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index 0000000..5b653a3
--- /dev/null
+++ b/nerv/examples/lmptb/tnn/layersT/lstm_t.lua
@@ -0,0 +1,50 @@
+local LSTMLayerT = nerv.class('nerv.LSTMLayerT', 'nerv.LayerT')
+
+function LSTMLayerT:__init(id, gilobal_conf, layer_conf)
+ --input1:x input2:h input3:c
+ self.id = id
+ self.dim_in = layer_conf.dim_in
+ self.dim_out = layer_conf.dim_out
+ self.gconf = global_conf
+
+ --prepare a DAGLayerT to hold the lstm structure
+ local paramRepo = nerv.ParamRepo()
+ local layers = {
+ ["nerv.IndRecurrentLayer"] = {
+ ["recurrentL1"] = recurrentLconfig,
+ }}
+
+ self:check_dim_len(1, 1) -- exactly one input and one output
+end
+
+function LSTMLayerT:init(batch_size)
+ if self.ltp.trans:ncol() ~= self.bp.trans:ncol() then
+ nerv.error("mismatching dimensions of linear transform and bias paramter")
+ end
+ if self.dim_in[1] ~= self.ltp.trans:nrow() then
+ nerv.error("mismatching dimensions of linear transform parameter and input")
+ end
+ if self.dim_out[1] ~= self.ltp.trans:ncol() then
+ nerv.error("mismatching dimensions of linear transform parameter and output")
+ end
+ self.ltp_grad = self.ltp.trans:create()
+ self.ltp:train_init()
+ self.bp:train_init()
+end
+
+function LSTMLayerT:batch_resize(batch_size)
+ -- do nothing
+end
+
+function LSTMLayerT:update(bp_err, input, output)
+end
+
+function LSTMLayerT:propagate(input, output)
+end
+
+function LSTMLayerT:back_propagate(bp_err, next_bp_err, input, output)
+end
+
+function LSTMLayerT:get_params()
+ return nerv.ParamRepo({self.ltp, self.bp})
+end