added 5 commits

aquagull changed the title fix paddle.matrix_norm paddle.matrix_norm support complex input

aquagull changed the title paddle.matrix_norm support complex input frobenius_norm support complex input

shanjiang7 pushed a commit to shanjiang7/Paddle that referenced this pull request

* fix p

* fix _backshift_permutation

* update

* update

* fix

* revert kernel change, code-style

* fix

* fix

* fix

* fix

* fix

* add test