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
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+/* ******************************************************************************
+ *
+ *
+ * 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
+ ******************************************************************************/
+
+//
+// Created by raver119 on 14.10.2017.
+//
+
+#ifndef LIBND4J_SCOPE_H
+#define LIBND4J_SCOPE_H
+#include <graph/Node.h>
+
+#include <string>
+#include <unordered_map>
+
+namespace sd {
+namespace graph {
+
+/**
+ * OpScope holds sequential list of operations, and made suitable for continuous
+ * re-execution of multiple operations.
+ *
+ * @tparam T
+ */
+class SD_LIB_EXPORT Scope {
+ protected:
+  // Graph-unique IDs for OpScope instances
+  int _id;
+  std::string _name;
+
+  // list of nodes to run, always sequential
+  // Graph takes care of topo sort
+  std::vector<Node*> _nodes;
+
+ public:
+  // attach GiG here, with shared namespace?
+  // or just rebuilt graph leaf?
+
+  // default constructor
+  explicit Scope(int id, const char* name = nullptr);
+
+  // default destructor
+  ~Scope();
+
+  /**
+   * this method adds op node to the scope
+   *
+   * PLEASE NOTE: We assume that ops are being added ORDERED
+   */
+  void push_back(Node* node);
+
+  /**
+   * This method returns list of ops stored earlier, ready for execution
+   *
+   * PLEASE NOTE: If the scope is conditional - last op in list should be BooleanOp
+   * @return
+   */
+  std::vector<Node*>* nodes();
+
+  /**
+   * This function returns number of nodes in this scope
+   *
+   * @return
+   */
+  int size();
+
+  /**
+   * Returns ID of this scope
+   * @return
+   */
+  int id();
+
+  /**
+   * Returns name of this scope
+   *
+   * @return
+   */
+  std::string* name();
+
+  /**
+   * This method returns clone of this OpScope
+   */
+  Scope* clone();
+
+  /**
+   * This method removes all Nodes from this scope
+   */
+  void forgetNodes();
+};
+}  // namespace graph
+}  // namespace sd
+
+#endif  // LIBND4J_SCOPE_H