diff options
Diffstat (limited to 'nerv/layer/tanh.lua')
-rw-r--r-- | nerv/layer/tanh.lua | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/nerv/layer/tanh.lua b/nerv/layer/tanh.lua new file mode 100644 index 0000000..e1c32f2 --- /dev/null +++ b/nerv/layer/tanh.lua @@ -0,0 +1,35 @@ +local TanhLayer = nerv.class("nerv.TanhLayer", "nerv.Layer") + +function TanhLayer:__init(id, global_conf, layer_conf) + self.id = id + self.gconf = global_conf + self.dim_in = layer_conf.dim_in + self.dim_out = layer_conf.dim_out + self:check_dim_len(1, 1) +end + +function TanhLayer:init() + if self.dim_in[1] ~= self.dim_out[1] then + nerv.error("mismatching dimensions of input and output") + end +end + +function TanhLayer:batch_resize(batch_size) + -- do nothing +end + +function TanhLayer:update(bp_err, input, output) + -- no params, therefore do nothing +end + +function TanhLayer:propagate(input, output) + output[1]:tanh(input[1]) +end + +function TanhLayer:back_propagate(bp_err, next_bp_err, input, output) + next_bp_err[1]:tanh_grad(bp_err[1], output[1]) +end + +function TanhLayer:get_params() + return nerv.ParamRepo({}) +end |