[incubator-singa] branch master updated (5476576 -> 4d81e98)

[wa...@apache.org]

This is an automated email from the ASF dual-hosted git repository.

wangwei pushed a change to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-singa.git.


    from 5476576  Merge pull request #487 from pinpom/log
     new aaef6bf  add Sign operator
     new 94688f3  add backward test
     new c97eb58  change backward test
     new aa5e5c1  fix code
     new 6da9137  merge with latest master branch
     new 55800bb  Merge branch 'master' into sign
     new 4d81e98  Merge pull request #488 from pinpom/sign

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Summary of changes:
 python/singa/autograd.py      | 20 +++++++++++++++++++-
 test/python/test_operation.py | 25 ++++++++++++++++++++++---
 2 files changed, 41 insertions(+), 4 deletions(-)