From 37af4bed9c3680fdb9db569605f15013e9b6b64d Mon Sep 17 00:00:00 2001
From: Determinant <ted.sybil@gmail.com>
Date: Fri, 5 Jun 2015 17:53:05 +0800
Subject: add get_params to all layers

---
 layer/affine.lua     | 10 +++++++---
 layer/bias.lua       |  4 ++++
 layer/init.lua       |  4 ++++
 layer/sigmoid.lua    |  4 ++++
 layer/softmax_ce.lua |  4 ++++
 layer/window.lua     |  4 ++++
 6 files changed, 27 insertions(+), 3 deletions(-)

(limited to 'layer')

diff --git a/layer/affine.lua b/layer/affine.lua
index 59a0e91..2cd7acb 100644
--- a/layer/affine.lua
+++ b/layer/affine.lua
@@ -41,7 +41,7 @@ function AffineLayer:init()
     self.bc:fill(0)
 end
 
-function nerv.AffineLayer:update(bp_err, input, output)
+function AffineLayer:update(bp_err, input, output)
     local ltp = self.ltp.trans
     local bp = self.bp.trans
     local ltc = self.ltc
@@ -60,13 +60,17 @@ function nerv.AffineLayer:update(bp_err, input, output)
     ltp:add(ltp, ltp, 1.0, -gconf.lrate * gconf.wcost)
 end
 
-function nerv.AffineLayer:propagate(input, output)
+function AffineLayer:propagate(input, output)
     -- apply linear transform
     output[1]:mul(input[1], self.ltp.trans, 1.0, 0.0, 'N', 'N')
     -- add bias
     output[1]:add_row(self.bp.trans, 1.0)
 end
 
-function nerv.AffineLayer:back_propagate(next_bp_err, bp_err, input, output)
+function AffineLayer:back_propagate(next_bp_err, bp_err, input, output)
     next_bp_err[1]:mul(bp_err[1], self.ltp.trans, 1.0, 0.0, 'N', 'T')
 end
+
+function AffineLayer:get_params()
+    return {self.ltp, self.bp}
+end
diff --git a/layer/bias.lua b/layer/bias.lua
index 6ddfe11..8cd326b 100644
--- a/layer/bias.lua
+++ b/layer/bias.lua
@@ -22,3 +22,7 @@ function BiasLayer:propagate(input, output)
     output[1]:copy_fromd(input[1])
     output[1]:add_row(self.bias.trans, 1.0)
 end
+
+function BiasLayer:get_params()
+    return {self.bias}
+end
diff --git a/layer/init.lua b/layer/init.lua
index 38bcd7f..3011f8e 100644
--- a/layer/init.lua
+++ b/layer/init.lua
@@ -58,6 +58,10 @@ function Layer:check_dim_len(len_in, len_out)
     end
 end
 
+function Layer:get_params()
+    nerv.error_method_not_implemented()
+end
+
 function Layer:get_dim()
     return self.dim_in, self.dim_out
 end
diff --git a/layer/sigmoid.lua b/layer/sigmoid.lua
index 220b7af..dd10fb9 100644
--- a/layer/sigmoid.lua
+++ b/layer/sigmoid.lua
@@ -25,3 +25,7 @@ end
 function SigmoidLayer:back_propagate(next_bp_err, bp_err, input, output)
     next_bp_err[1]:sigmoid_grad(bp_err[1], output[1])
 end
+
+function SigmoidLayer:get_params()
+    return {}
+end
diff --git a/layer/softmax_ce.lua b/layer/softmax_ce.lua
index cd57010..79e859e 100644
--- a/layer/softmax_ce.lua
+++ b/layer/softmax_ce.lua
@@ -50,3 +50,7 @@ function SoftmaxCELayer:back_propagate(next_bp_err, bp_err, input, output)
     end
     next_bp_err[1]:add(self.soutput, label, 1.0, -1.0)
 end
+
+function SoftmaxCELayer:get_params()
+    return {}
+end
diff --git a/layer/window.lua b/layer/window.lua
index 8e9e761..b381c9b 100644
--- a/layer/window.lua
+++ b/layer/window.lua
@@ -22,3 +22,7 @@ function WindowLayer:propagate(input, output)
     output[1]:copy_fromd(input[1])
     output[1]:scale_row(self.window.trans)
 end
+
+function WindowLayer:get_params()
+    return {self.window}
+end
-- 
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