diff options
Diffstat (limited to 'nerv/layer/identity.lua')
-rw-r--r-- | nerv/layer/identity.lua | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/nerv/layer/identity.lua b/nerv/layer/identity.lua new file mode 100644 index 0000000..d56337d --- /dev/null +++ b/nerv/layer/identity.lua @@ -0,0 +1,30 @@ +local IdentityLayer = nerv.class('nerv.IdentityLayer', 'nerv.Layer') + +function IdentityLayer:__init(id, global_conf, layer_conf) + nerv.Layer.__init(self, id, global_conf, layer_conf) + self:check_dim_len(1, 1) + if self.dim_in[1] ~= self.dim_out[1] then + nerv.error('mismatching dimensions of input and output') + end +end + +function IdentityLayer:init() +end + +function IdentityLayer:batch_resize() +end + +function IdentityLayer:propagate(input, output) + output[1]:copy_from(input[1]) +end + +function IdentityLayer:back_propagate(bp_err, next_bp_err) + next_bp_err[1]:copy_from(bp_err[1]) +end + +function IdentityLayer:update() +end + +function IdentityLayer:get_params() + return nerv.ParamRepo({}, self.loc_type) +end |