chore: import upstream snapshot with attribution

2026-07-13 12:47:05 +08:00
commit 4f3b7da785
7394 changed files with 2005594 additions and 0 deletions
@@ -0,0 +1,58 @@
+/* ******************************************************************************
+ *
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available at
+ * https://www.apache.org/licenses/LICENSE-2.0.
+ *
+ *  See the NOTICE file distributed with this work for additional
+ *  information regarding copyright ownership.
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ ******************************************************************************/
+
+//
+//  @author sgazeos@gmail.com
+//
+
+#include <system/op_boilerplate.h>
+#if NOT_EXCLUDED(OP_identity_n)
+
+#include <ops/declarable/CustomOperations.h>
+
+namespace sd {
+namespace ops {
+CUSTOM_OP_IMPL(identity_n, 1, 1, true, 0, 0) {
+  if (!block.isInplace()) {
+    for (size_t i = 0; i < block.width(); ++i) {
+      auto x = INPUT_VARIABLE(i);
+      auto z = OUTPUT_VARIABLE(i);
+
+      x->applyTransform(transform::Identity, z);
+    }
+  }
+
+  return Status::OK;
+}
+
+DECLARE_SHAPE_FN(identity_n) {
+  auto shapes = SHAPELIST();
+  for (int i = 0; i < inputShape->size(); ++i) {
+    shapes->push_back(CONSTANT(inputShape->at(i)));
+  }
+  return shapes;
+}
+
+DECLARE_TYPES(identity_n) {
+  getOpDescriptor()->setAllowedInputTypes(ANY)->setAllowedOutputTypes(ANY);
+}
+
+}  // namespace ops
+}  // namespace sd
+
+#endif