* Add the op def for elementwise_div elementwise_pow elementwise_sub fake_quantize_dequantize_moving_average_abs_max reduce_mean sqrt test=develop

* remove .ipynb_checkpoints for opdef

* remove fake_quantize_dequantize_moving_average_abs_max for opdef

* fix c_split bug

* fix utest

* add c_embedding for tensorparallel

This reverts commit 7be6191b.

* fix inference prepare data bug

* rename functions

* typo

* typo

* typo

* UT correct

* correct condition

* correct condition

* ci coverage

* morelines

* fix ci coverage

This PR made these changes to support double grad:

1. Translate `paddle.grad` to `paddle.static.gradients` to support double grad for dy2stat.
2. Fix IfElseTransformer bug which may not change value if "Store before Load" variable is in "Store" statement is in IfElse conditional statement
3. Add `DOut` to support double grad variables in `run_program_op`
4. Add support for renaming for double grads for `jit.save/load`

* add seq_conv pbtxt

* add seq_conv pbtxt

* add trt convert op: reshape

* reshape

* fix

* input: Shape,ShapeTensor

* Add some comments

* download_verify

* checksum

* replace and remove complex64/128 types in custom OP and other files

* fix custom_tensor_test fail bug

* fix custom_conj_test fail bug

* fix dispatch_test_op build fail bug

* enhance error message for conv

* fix ci coverage

* improve group norm cpu precision and performance

* add unit test to group norm