* add .rst file of 4 control flow APIs

* add Note in docs of control flow. test=develop

* add doc for erf op in Chinese.
* update doc for erf op to add float16 support.

change API of range op

* fix api cn doc of create_parameter, test=develop

* delete useless space, test=develop

* Modify compare op Doc

* fix the not_equal

* fix the code

* test=develop fix iou_similarity cn doc
* test=develop fix something based on review

resolve #20977
fix Issue: PaddlePaddle/Paddle#20977

* increase example code of py_func, fix some wrong description of API doc

* increase example code of py_func, fix some wrong description of API doc

fix logical_not cn doc

* refine name descrip. test=document_preview

* update bn

* update

* Add Chinese Doc for cond API

* add doc for gelu

* fix indent, test=document_preview

* fix hyper link, test=document_preview

* fix dtype annotations, test=document_preview

test=develop

* add Chinese document of control flow API case and switch_case. test=develop

* polish TypeError according to reviews. test=develop

As the title

* Add descending parameter for argsort doc.

* Refine doc

* Refine format

* add three new parameters for data_norm
* slot_dim: PaddlePaddle/Paddle#21152
* summary_decay_rate & sync_stats: PaddlePaddle/Paddle#21325

* update adam_op, scale_op, batch_norm_op doc. test=develop

* fix batch_norm example indent. test=develop

* add masked_select api chinese document

* refine, test=document_preview

test=develop

* modify doc for Attr(data_format) or Attr(data_layout) and add Raises information, test=develop

* modify doc of conv3d_transpose for Raises information, test=develop