From cd1aa6aaa75f5d5b281be0cfbacd51991b3b1ca3 Mon Sep 17 00:00:00 2001
From: Francois Fleuret <francois@fleuret.org>
Date: Mon, 16 Jan 2017 07:39:34 +0100
Subject: [PATCH] Added DAG:setLabel to add a label to a module in the graph.

---
 dagnn.lua | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/dagnn.lua b/dagnn.lua
index ca26926..f9d6ff9 100755
--- a/dagnn.lua
+++ b/dagnn.lua
@@ -148,6 +148,10 @@ function DAG:connect(...)
    end
 end
 
+function DAG:setLabel(nnm, label)
+   self.node[nnm].label = label
+end
+
 function DAG:setInput(i)
    self.sorted = nil
    self.inputModules = i
@@ -176,7 +180,11 @@ function DAG:print()
    self:putInOrder()
 
    for i, d in ipairs(self.sorted) do
-      print('#' .. i .. ' -> ' .. torch.type(d))
+      local decoration = ''
+      if self.node[d].label then
+         decoration = ' [' .. self.node[d].label .. ']'
+      end
+      print('#' .. i .. ' -> ' .. torch.type(d) .. decoration)
    end
 end
 
@@ -211,7 +219,7 @@ function DAG:saveDot(filename)
       file:write(
          '  '
             .. node.index
-            .. ' [shape=box,label=\"' .. torch.type(nnmb) .. '\"]'
+            .. ' [shape=box,label=\"' .. (self.node[nnmb].label or torch.type(nnmb)) .. '\"]'
             .. '\n'
       )
 
-- 
2.20.1