[1/2] incubator-singa git commit: SINGA-382 Implement concat operation for autograd

Repository: incubator-singa Updated Branches: refs/heads/master a36291824 -> 76779be72 SINGA-382 Implement concat operation for autograd - develop concat operation and test it backward function. - its forward function has one bug in singa.ConcatOn(). the function cannot understand vector of

[2/2] incubator-singa git commit: SINGA-382 Implement concat operation for autograd

SINGA-382 Implement concat operation for autograd Fix the bug in calling C++ ConcatOn function by convert the input args into VecTensor type. Project: http://git-wip-us.apache.org/repos/asf/incubator-singa/repo Commit: http://git-wip-us.apache.org/repos/asf/incubator-singa/commit/76779be7