From 39ec1ef0e3bbf151ed7ce0ef8affdd22b14e59b3 Mon Sep 17 00:00:00 2001
From: Xianyan <SeaOfOcean@users.noreply.github.com>
Date: Tue, 16 Jan 2018 18:35:34 +0800
Subject: [PATCH] Add default zeroGradParameters to AbstractModule (#2177)

* Fix optimizer NaN in SSD

* Add zeroGradient

* Add default zeroGradParameters

* revert