* add fp_bf for pool_max_withidx

* fix some error

* fix error

* codestyle error

* fix masktype

* fix input bf type

* input bf dtype convert error

* back to convert input to bf16 first

* fix convert error

* fix bf16 grad check

* add bf16 support and bf16/fp16 unittest for pool2d

* add include files

* dbg

* reformat

* reformat

* modify code according to review comment

* remove duplicate code

* remove dup code

* remove useless include

* dbg

* Add pool3d lgamma masked_select tests

* Fix code

* move DataType from paddle::experimental to phi

* convert namespace

* convert namespace

* convert namespace

* clarify namespace

* convert more datatype

* Revert "convert more datatype"

This reverts commit 083b462959e6a22d4d8767707b628b95b396642e.

* convert more in auto_code_generator

* fix conflicts for XPU

* fix namespace conflicts

* fix errors

* Revert "fix errors"

This reverts commit f9d9958b54ee32141112274c8a5c3c381ab0f876.

* fix errors

* fix formatting

resort .cu headers, set clang-format not sort include block and consider .cu as main source file (#43633)

* Move Pool OPs to phi

* Fix CI error

* Fix conflicts