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
+ ******************************************************************************/
+
+//
+// @author raver119@gmail.com
+
+#ifndef LIBND4J_CONSTANTDATABUFFER_H
+#define LIBND4J_CONSTANTDATABUFFER_H
+
+#include <array/DataType.h>
+#include <array/PointerWrapper.h>
+#include <system/common.h>
+
+#include <memory>
+
+namespace sd {
+class SD_LIB_EXPORT ConstantDataBuffer {
+ private:
+  std::shared_ptr<PointerWrapper> _primaryBuffer;
+  std::shared_ptr<PointerWrapper> _specialBuffer = nullptr;
+  uint64_t _length = 0;
+  uint8_t _sizeOf = 0;
+
+ public:
+  ConstantDataBuffer(const std::shared_ptr<PointerWrapper> &primary, uint64_t numEelements, DataType dype);
+  ConstantDataBuffer(const std::shared_ptr<PointerWrapper> &primary, const std::shared_ptr<PointerWrapper> &special,
+                     uint64_t numEelements, DataType dype);
+  ConstantDataBuffer(const ConstantDataBuffer &other);
+  ConstantDataBuffer() = default;
+  ~ConstantDataBuffer() = default;
+
+  uint8_t sizeOf() const;
+  uint64_t length() const;
+
+  void *primary() const;
+  void *special() const;
+
+  ConstantDataBuffer &operator=(const ConstantDataBuffer &other) = default;
+  ConstantDataBuffer &operator=(ConstantDataBuffer &&other) noexcept = default;
+
+  template <typename T>
+  T *primaryAsT() const;
+
+  template <typename T>
+  T *specialAsT() const;
+};
+}  // namespace sd
+
+#endif  // DEV_TESTS_CONSTANTDATABUFFER_H