From 15c9662cd5ff900d36b6900af18b7b94aa3ba529 Mon Sep 17 00:00:00 2001
From: Xu Xiao <lovedreamf@gmail.com>
Date: Tue, 16 Jan 2018 10:45:13 +0800
Subject: [PATCH] Module DenseToSparse support backward disable (or not)
 setting (#2189)

* Module DenseToSparse support backward disable (or not) setting

* change isBackward to propagateBack

* change isBackward to propagateBack