1 files changed, 7 insertions, 7 deletions
diff --git a/nerv/layer/elem_mul.lua b/nerv/layer/elem_mul.lua
index c809d3e..fe80a3f 100644
--- a/nerv/layer/elem_mul.lua
+++ b/nerv/layer/elem_mul.lua
@@ -5,19 +5,19 @@ function ElemMulLayer:__init(id, global_conf, layer_conf)
     self.dim_in = layer_conf.dim_in
     self.dim_out = layer_conf.dim_out
     self.gconf = global_conf
- 
-    self:check_dim_len(2, 1) -- Element-multiply input[1] and input[2]
+    -- element-wise multiplication of input[1] and input[2]
+    self:check_dim_len(2, 1)
 end
 
 function ElemMulLayer:init(batch_size)
-    if self.dim_in[1] ~= self.dim_in[2] or 
+    if self.dim_in[1] ~= self.dim_in[2] or
         self.dim_in[1] ~= self.dim_out[1] then
-        nerv.error("dim_in and dim_out mismatch for ElemMulLayer")
+        nerv.error("mismatching dimensions of input and output")
     end
 end
 
 function ElemMulLayer:batch_resize(batch_size)
-    --do nothing
+    -- do nothing
 end
 
 function ElemMulLayer:propagate(input, output)
@@ -25,12 +25,12 @@ function ElemMulLayer:propagate(input, output)
 end
 
 function ElemMulLayer:back_propagate(bp_err, next_bp_err, input, output)
-    next_bp_err[1]:mul_elem(bp_err[1], input[2]) 
+    next_bp_err[1]:mul_elem(bp_err[1], input[2])
     next_bp_err[2]:mul_elem(bp_err[1], input[1])
 end
 
 function ElemMulLayer:update(bp_err, input, output)
-    --do nothing
+    -- do nothing
 end
 
 function ElemMulLayer:get_params()