* 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
* test=develop
Add input type and dtype check for sign_op.
* test=develop
Fix the api text format in sign op.
* test=develop
Fix the api examples in sign op add update the api.spec.
* Update crf_decoding api & example
test=develop
* Update api spec
test=develop
* Fix linear chain crf api
test=develop
* Avoid sharing data pointer with input
test=develop
* Simplify the logic in linear_chain_crf_decoding
* Add unittest for crf_decoding when label & path both are set
test=develop
* Update API spec
test=develop
* Add unittest for layers && correct infer_shape in chunk_eval
test=develop
* fix the error message for reduce_mean and reduce_sum op test=develop
* fix typo test=develop
* fix according review advice test=develop
* fix the test test=develop
* fix test=develop
* fix the constant error message test=develop
* fix typo test=develop
* fix typo test=develop
* fix code style test=develop
* fix comment and bugs test=develop
* fix the bug test=develop
* fix and add unittest test=develop
* fix the typo test=develop
* add support for the fill_constant op test=develop
* add test for ci coverage test=develop
1.support asymmetric padding;
2.support padding algorithm:"SAME" and "VALID";
3.support channel_last: data_format NHWC and NDHWC;
4.change doc of python API and c++;
test=develop, test=document_preview
* test=develop, argument shape support tensor and tensor in list
* test=develop,Increasing the coverage of CI tests
* test=develop, modify the document and update API.spec
* test=develop, modify the doc and update API.spec
* test=develop, modify the doc and update API.spec
* test=develop, modify the interface of UniformInitializer
* test=develop, modify the interface of XavierInitializer and MSRAInitializer
* test=develop, modify based on review's comments
* test=develop, modify based on review's comments
* test=develop, modify based on review's comments
* fix pool2d pool3d:
1. support asymmetric padding;
2. support padding algorithm:"SAME" and "VALID";
3. support channel_last: data_format NHWC and NDHWC;
4. support inferring shape when input with negative dims in compile time;
5. change doc of python API and c++;
6. fix bug in cuda kernel when Attr(adaptive) is true.
test=develop,test=document_preview
* fix 'tensors' to 'Tensors'. test=develop,test=document_preview
* add test for converage ValueError.test=develop,test=document_preview
* resolve conflict in test_pool2d. test=develop