* support float16 in custom op

* fix failed unittests

* support custom complex op

* fix detail error

* add inference support

* fix setup windows failed

* auto specify PADDLE_WITH_MKLDNN and remove Interpretper

* remove print

* fix check abi

* fix windows

* fix compile flags

* remove remove_unsupport_dtype

* remove remove_unsupport_dtype

* remove test dtype

* add more include

* change dtype.h's enum as enum class to avoid conflict with inference lib

* make enum as enum class

* remove additional test

* merge develop

* polish code

* add cpp_extension en doc

* remove cuda_cflags and add optional in doc

* refine style

* fix indent problem

* add default None

* split cxx/nvcc compile flags

* enhance input argument check

* rename extra_cflags into extrac_cxx_flags

* add name checking in setup

* fix test_dispatch failed

* fix word typo and rm usless import statement

* refine import statement

* fix unittest failed

* fix cuda flags error

* add new custom op so

* fix use new method error

* fix test failed

* split test & add inference test

* add timeout config

* change to setup install

* change to jit compile

* add verbose for test

* fix load setup name repeat

* polish details

* resolve conflict

* fix code format error

* [2.0.1]Support New Custom OP on windows

* fix CI

* fix code style

* fix CI

* fix CI

* fix coverage

* fix CI

* fix CI

* add more dispatch marco

* add more dispatch marco

* add more tests

* revert unneeded change

* add timeout for test dispatch

* add float and complex test

* remove and marco