Replaced torch.abs with math.abs.

diff --git a/test-dagnn.lua b/test-dagnn.lua
index 9f343a9..5d8a309 100755 (executable)
--- a/test-dagnn.lua
+++ b/test-dagnn.lua
@@ -57,7 +57,7 @@ function checkGrad(model, criterion, input, target)
       local num = (loss1 - loss0) / (2 * epsilon)
 
       if num ~= ana then
-         err = math.max(err, torch.abs(num - ana) / torch.abs(num))
+         err = math.max(err, math.abs(num - ana) / math.abs(num))
       end
    end