[API 2.0] add pool2d3d API,test=develop (#26331)

* add pool2d3d API,test=develop

* add api unitest,test=develop

* fix unittest, test=develop

* fix reviews, test=develop

* return one element when return indices is true, test=develop

* fix low converage; to_variable to to_tensor, test=develop

* sort API params, test=develop

* fix en doc, merge PR#26108 to here, test=develop

* fix en doc, test=develop

python/paddle/nn/functional/__init__.py

@@ -25,6 +25,8 @@ from . import extension
 __all__ += extension.__all__
 from . import common
 __all__ += common.__all__
+from . import pooling
+__all__ += pooling.__all__
 from . import loss
 __all__ += loss.__all__
 from .activation import brelu  #DEFINE_ALIAS
@@ -166,10 +168,18 @@ from .norm import l2_normalize  #DEFINE_ALIAS
 from .norm import lrn  #DEFINE_ALIAS
 from .norm import normalize  #DEFINE_ALIAS
 # from .norm import spectral_norm        #DEFINE_ALIAS
+from .pooling import max_pool1d  #DEFINE_ALIAS
+from .pooling import avg_pool1d  #DEFINE_ALIAS
+from .pooling import adaptive_max_pool1d  #DEFINE_ALIAS
+from .pooling import adaptive_avg_pool1d  #DEFINE_ALIAS
 from .pooling import pool2d  #DEFINE_ALIAS
 from .pooling import pool3d  #DEFINE_ALIAS
 from .pooling import adaptive_pool2d  #DEFINE_ALIAS
 from .pooling import adaptive_pool3d  #DEFINE_ALIAS
+from .pooling import avg_pool2d  #DEFINE_ALIAS
+from .pooling import max_pool2d  #DEFINE_ALIAS
+from .pooling import avg_pool3d  #DEFINE_ALIAS
+from .pooling import max_pool3d  #DEFINE_ALIAS
 from .pooling import adaptive_avg_pool2d  #DEFINE_ALIAS
 from .pooling import adaptive_avg_pool3d  #DEFINE_ALIAS
 # from .rnn import gru_unit        #DEFINE_ALIAS

python/paddle/nn/layer/__init__.py

@@ -60,6 +60,14 @@ from .common import Dropout3D  #DEFINE_ALIAS
 from .common import AlphaDropout  #DEFINE_ALIAS
 from .pooling import AdaptiveAvgPool2d  #DEFINE_ALIAS
 from .pooling import AdaptiveAvgPool3d  #DEFINE_ALIAS
+from .pooling import AvgPool1d  #DEFINE_ALIAS
+from .pooling import MaxPool1d  #DEFINE_ALIAS
+from .pooling import AdaptiveAvgPool1d  #DEFINE_ALIAS
+from .pooling import AdaptiveMaxPool1d  #DEFINE_ALIAS
+from .pooling import AvgPool2d  #DEFINE_ALIAS
+from .pooling import MaxPool2d  #DEFINE_ALIAS
+from .pooling import AvgPool3d  #DEFINE_ALIAS
+from .pooling import MaxPool3d  #DEFINE_ALIAS
 from .conv import Conv1d  #DEFINE_ALIAS
 from .conv import Conv2d  #DEFINE_ALIAS
 from .conv import Conv3d  #DEFINE_ALIAS