* add new macro BOOST_GET_SAFELY & unittests, test=develop

* add different macro type, test=develop

* fix get macro type in executor, test=develop

* four macro part change backup

* using one macro for all case, test=develop

* revert attribute change, test=develop

* change to three func to solve gcc4.8 bug, test=develop

* polish some details, test=develop

* Optimize the error messages of paddle CUDA API, test=develop

* fix the error messages of paddle CUDA API, test=develop

* Refactoring PADDLE_ENFORCE_CUDA_SUCCESS, and apply to curand/cudnn/cublas/NCCL,test=develop

* remove build_ex_string,test=develop

* merge conflict,test=develop

* reproduce match error, test=develop, test=document_fix

* fix mismatch error, test=develop, test=document_fix

* add no_grad_set value check in op_test, test=develop

* update ops list, test=develop

* polish grad op check, test=develop, test=document_fix

* keep op_use_default_grad_maker.spec to avoid conflict, test=develop, test=document_fix

* add ci approvals for dygraph optest, test=develop

* Add error message, test=develop, test=document_fix

* Increase the number of approves of CI check for dygraph optest, test=develop, test=document_fix

* add ci approvals for dygraph optest, test=develop

* polish code style, test=develop, test=document_fix

* remove ci-check trigger example, test=develop, test=document_fix

* add is_empty_grad_op for OpTest, test=develop

* add ci check in check_api_approvals.sh, test=develop

* fix typo and refine error information test=document_fix, test=develop

* fix typo test=document_fix test=develop

* fix bug test=document_fix test=develop

* test the equality between running-time and compiling time

* add white_list for compile_vs_runtime check test=develop

* add check of new-registered op on compile&runtime-lodEquality test=develop

* test=develop

* test=develop

* update white-list test=develop

* merge with new code test=develop

* fix code style test=develop

* test=devleop

* test=develop

* test=develop

* test=develop

* add more ops to white_list test=develop

* test=develop

* test=develop

* test=develop

* test=develop

* test=develop

* fix code_style: add comments test=develop

* test=develop

test=develop test=document_fix

* ci_check
test=develop
test=document_fix

* test error
test=develop
test=document_fix

* check another op accuracy ci
test=develop
test=document_fix

* converge to one if
test=develop
test=document_fix

* remove test case
test=develop
test=document_fix

* simplify ci check
test=develop
test=document_fix

* remove test case
test=develop
test=document_fix

* optimize ci check
test=develop
test=document_fix

* optimize ci check
test=develop
test=document_fix

* remove test case
test=develop
test=document_fix

test=develop test=document_fix

* add shell scripts. test=develop

* rename test_pybind_inference to test_pybind_interface and print repeat process in check_op_desc.py. test=develop

* add approval RD. test=develop