Add pinnx submodule

deepxde/pinnx/__init__.py

@@ -0,0 +1,39 @@
+# Copyright 2024 BDP Ecosystem Limited. 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.
+# ==============================================================================
+
+
+__all__ = [
+    "callbacks",
+    "fnspace",
+    "geometry",
+    "grad",
+    "icbc",
+    "metrics",
+    "nn",
+    "problem",
+    "utils",
+    "Trainer",
+]
+
+from . import callbacks
+from . import fnspace
+from . import geometry
+from . import grad
+from . import icbc
+from . import metrics
+from . import nn
+from . import problem
+from . import utils
+from ._trainer import Trainer