* test=develop, fix docker with paddle nccl problem
* don't expose numerous Tensor.set(), test=develop
* fix condition, test=develop
* fix float16 bug, test=develop
* feed should be Tensor or np.array, not Variable or number, test=develop
* use forcecast to copy numpy slice to new array, test=develop
* remove float16-uint16 hacking, test=develop
* add variable method to varbase and refactor to_variable to support return varbase
* support kwargs in varbase constructor
* add VarBase constructor to support default python args
* refine varbase initial method
* reset branch
* fix ut for change VarBase error info to PaddleEnforce
* cherry is parameter change before
* overload isinstance to replace too many change of is_variable
* rm useless files
* rm useless code merged by git
* test=develop, fix some ut failed error
* test=develop, fix test_graph_wrapper
* add some tests, test=develop
* refine __getitem__, test=develop
* add tests, test=develop
* fix err_msg, test=develop
* fix the device supported of the op unique and unique_with_counts.
test=develop
test=document_fix
* Fix the precision of test in the op of unique and unique_with_counts.
test=develop
test=document_fix
* Commit before merging develop
test=develop
* Backup after working with Huihuang logs
* Commit before deleting Huihuang debug loggings
* Commit before debug
test=develop
* Fix bug commit
test=develop
* Backup of fixing bugs
test=develop
* Clean up code
test=develop
* Fix a bug in sum_op
test=develop
* Add ascending for argsort
* Refine api doc description.
* Refine descending description
* Add int32 logic to speedup when data is small size.
* Remove int32 opt as not support in python
* add control flow API: case. test=develop
* delete 'raise TypeError' in _error_message() and return a string. test=develop
* polish API document. test=develop
* fix auc drop first commit test=develop
* update datanorm op
* update datanorm with enforce test=develop
* update test=develop
* update format test=develop
* update format
* update format test=develop
* add unit test test=develop
* update unit test test=develop
* update format test=develop
* update format test=develop
* update API description test=develop
* update API description test=develop
* update format test=develop
* fix codes as comments test=develop
* fix description as comments test=develop
* fix description as comments test=develop
* update codes.. test=develop
* modified error message for conv and conv_transpose, test=develop
* modified doc of conv and conv_transpose op, test=develop
* modified the expression for error message, test=develop
* modified error message for group_norm op, test=develop
* modified detail of Attr(data_format) or Attr(data_layout)
* add ValueError in API doc for maxout op, test=develop
* add API switch_case. test=develop
add Nest
* modify code according to reviews:
1.Attr(branch_index) support 'uint8' and 'int64' besides 'int32'.
2.remove useless code.
test=develop
* replace fluid.layers.data with fluid.data and polish API document. test=develop
* add input type and dtype check template, and update some APIs check
* refine check template, and update some APIs check in nn.py
* update some APIs check in loss.py
test=develop
* set the default value of alpha for prelu to 0.25, test=develop
* add the call to __syncthreads(), test=develop
* fix the implementation of cpu prelu, test=develop
* repair the implementation of element mode prelu, test=develop
* modify test_prelu_op.py, test=develop
* split some APIs from nn.py to rnn.py
* split some APIs from nn.py to sequence_lod.py
test=develop
* fix unit-test bug
test=develop
* fix test_layers unit-test bug
test=develop
* improve split and concat op:
1. support Tensor for argument 'dim' in split op.
2. support Tensor for argument 'axis' in concat op.
test=develop
* redefine function GetDataFromTensor and set unknown output shape to - 1.
test=develop
* add check: Attr(sections) match Input(X). test=develop
* support Tensor for attr(sections) and attr(sections) can contain -1.
add check for attr(sections).
test=develop
* modify error message for concat and call Resize only when necessary. test=develop
* All elements in attr(shape) of crop_tensor can be -1, test=develop, test=document_preview
* fix the bug that attr(offsets) should be initialized, test=develop
* refine Categorical and MultivariateNormalDiag en doc test=develop, test=document_fix
* refine Categorical and MultivariateNormalDiag en doc test=develop, test=document_fix
* add data type check, test=develop
* polish error messages, test=develop
* polish error messages, test=develop
* Remove support for the CPU architecture matmul, test=develop
* fix syntax bug, test=develop
* add input type and dtype check for cast_op
test=develop
* fix annotation
test=develop
* support more data type
test=develop
* fix bug for fill_constant's error type
test=develop
* improve converage
test=develop
* improve converage
test=develop
* Fix docs of gru_unit and dynamic_gru.
Fix basic_gru in rnn_impl.py.
Add error messages for param_attr setting in layer_norm api.
Add int64 dtype for expand.
test=develop
* Reopen unit-tests of basic_gru/basic_lstm in rnn_impl.py.
test=develop
* Add unit test for layer_norm api.
test=develop
* Remove the deprecated gru doc fix. test=develop
* Fix basic_gru test coverage. test=develop
* Update API.spec. test=develop
* Update API.spec. test=develop
* Fix test_basic_gru coverage test. test=develop
* Update test_basic_gru in test_layers to use fluid.data
test=develop
* Update test_basic_gru for coverage. test=develop
* Refine the documentation of sums.
* Remove Chinese comments and update API.spec.
* Refine the description of input argument.
* Update API.spec.
test=develop
test=document_fix
* refine the en api doc of ones, zeros, reverse, increment, hsigmoid and create_py_reader_by_data ops
test=develop, test=document_preview, test=document_fix
* refine eng doc for hsigmoid and create_py_reader_by_data ops
test=develop, test=document_preview, test=document_fix
* update API.spec
test=document_fix
* Fix the parameter name axis of reverse op in eng doc
test=develop, test=document_fix
* Update API.spec
test=develop, test=document_fix
* Refine eng doc of zeros, ones, reverse and assign op
test=develop, test=document_fix
* Update API.spec for assign, ones, zeros and reverse
test=develop, test=document_fix
* Fix data type of reverse op in eng doc
test=develop, test=document_fix
* Update API.spec for reverse op
test=develop, test=document_fix
* refine eng doc for hard_sigmoid op
test=develop
test=document_fix
* refine the description of hard_sigmoid
test=develop
test=document_fix
* update API.spec
test=document_fix
* Refine the decription of parameters of HardSigmoid op
test=develop, test=document_fix
* Update API.spec for hard_sigmoid op
test=develop, test=document_fix
* add input type and dtype check for accuracy_op
* add input type and dtype check for accuracy_op
* modify python error on accuracy_op,add test=develop
* modify details on accuracy_op, test=develop
* test float16, test=develop
* add warning, test=develop
* Refine the main comment of DynamicRNN.
* Refine the documentation of DynamicRNN's step_input function.
* Refine the documentation of DynamicRNN's static_input function.
* Refine the documentation of DynamicRNN's block function.
* Refine the documentation of DynamicRNN's memory function.
* Refine the documentation of DynamicRNN's update_memory and output function.
* Refine the code format and remove the method list.
* Refine the documentation of DynamicRNN's __call__ function.
test=develop
test=document_fix
* Minor modification.
test=develop
test=document_fix
* Fix some typo.
* Update API.spec.
test=develop
test=document_fix
* Refine the English according to the comments.
* Update API.spec.
test=develop
test=document_fix
* Fix some typo.
* Update API.spec.
* Add fp16 in input.dtype check test=develop
* Add warning of fp16 in CPU test=develop
* add unittest code for fp16 test=develop
* fix float16 list error test=develop
* fix English Doc of API:layers.py_func/sum, test=document_fix
* fix English Doc of API:layers.array_read/array_write/array_length,test=develop test=document_fix
* fix the reduce api en doc test=document_fix test=develop
* fix the fluid.data test=develop test=document_fix
* fix the API.spec test=develop test=document_fix
* fix according the review test=develop test=document_fix
* fix the confilict test=develop test=document_fix
* test=document_fix
test=develop
Fix english doc api, invloves the op of retinanet_target_assign, sigmoid_focal_loss and retinanet_detection_output.
* test=document_fix
test=develop
remove Notice: this OP supports CPU mode only in english doc api of retinanet_target_assign and retinanet_detection_output
* test=document_fix
test=develop
fix API Difference for retinanet_target_assign and retinanet_detection_output
* fix API.spec conflicts in english doc api of retinanet_target_assign, sigmoid_focal_loss, retinanet_detection_output
test=develop
test=document_fix
* fix API.spec conflicts in english doc api of retinanet_target_assign, sigmoid_focal_loss, retinanet_detection_output
test=develop
test=document_fix
* test=document_fix
Fix english doc api, invloves the op of greater_equal,greater_than,less_equal,not_equal,
rank,rsqrt,diag,linspace,reduce_all,reduce_any,sign,where,zeros_like,unique_with_counts.
* Fix some format problem in the op of sign and greather_than.
test=develop
test=document_fix
* Fix the example of zeros_like, and update api.spec
test=develop
test=document_fix
* test=develop, fix docker with paddle nccl problem
* test=develop, refine en_doc for Variable and Program
* test=document_fix, fix English doc for Variable and Program
* test=document_fix, refine astype code block style
* test=document_fix, add example code for Variable properties
* add api check in fc test=develop
* enforce shape error info of sum op test=develop
* fix spelling test=develop
* print x_dims info test=develop
* enhance shape error info test=develop
* fix fluid.data code example, test=develop, test=document_preview, test=document_fix
* use None instead of -1 in shape, test=develop, test=document_preview, test=document_fix