add paddle/linalg.py to add new linalg apis (#34033)

python/paddle/__init__.py

@@ -283,6 +283,7 @@ from . import callbacks  # noqa: F401
 from .hapi import summary  # noqa: F401
 from .hapi import flops  # noqa: F401
 from . import hub  # noqa: F401
+from . import linalg  # noqa: F401
 
 import paddle.text  # noqa: F401
 import paddle.vision  # noqa: F401

python/paddle/device.py

@@ -22,7 +22,7 @@ from paddle.fluid.framework import is_compiled_with_cuda  # noqa: F401
 from paddle.fluid.framework import is_compiled_with_rocm  # noqa: F401
 
 
-__all__ = [  # npqa
+__all__ = [  # noqa
     'get_cudnn_version',
     'set_device',
     'get_device',

python/paddle/linalg.py

+# Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from .tensor.linalg import cholesky  # noqa: F401
+from .tensor.linalg import norm  # noqa: F401
+from .tensor import inverse as inv  # noqa: F401
+
+__all__ = [
+    'cholesky',  #noqa
+    'norm',
+    'inv'
+]