From ab60cab53f2460b242a1a1dbdb7d09ff00dcbce7 Mon Sep 17 00:00:00 2001
From: Jerry Wu <wzhongyuan@gmail.com>
Date: Mon, 27 Nov 2017 19:09:19 -0600
Subject: [PATCH] Keras support - add cosine proximity criterion (#1902)

* keras support to add CosineProximityCriterion

* fix criterion

* add unit test

* fix typo

* add comment