* add bf16 for mode

* remove random seed 666

* try to fix op_type error

* test for me

* try to fix op_type

* fix redundancy code

* add fp,bf for lastdim

* fix some error

* simplify code

* fix shape error

* optype error

* fix skipif bf16

* add 0-d support for paddle.kthvalue

* add 0-d support for paddle.mode

* fix coverage test for device

* fix check-bug in windows

* change axis check from LT to LE

* add shape & value check for grad when input is 0d tensor

This reverts commit 9df0ab32.

* add 0-d support for paddle.kthvalue

* add 0-d support for paddle.mode

* fix coverage test for device

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

* [Phi] Migrate mode_op and mode_grad_op into Phi

* fix omp

* add ifdef

* migrate infershape

* modify according reviewer

* first commit

* cpu kernel

* first version

* fix compile error

* fix compile error

* delete v2

* fix

* fix

* add alias

* fix

* fix

* fix

* fix error

* fix

* fix

* fix

* fix format