chore: import upstream snapshot with attribution

libnd4j/include/ops/declarable/impl/DeclarableCustomOp.cpp

@@ -0,0 +1,33 @@
+/* ******************************************************************************
+ *
+ *
+ * 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 07.10.2017.
+//
+#include <ops/declarable/DeclarableCustomOp.h>
+#include <ops/declarable/DeclarableOp.h>
+
+namespace sd {
+namespace ops {
+DeclarableCustomOp::DeclarableCustomOp(int numInputs, int numOutputs, const char *opName, bool allowsInplace, int tArgs,
+                                       int iArgs)
+    : DeclarableOp(numInputs, numOutputs, opName, allowsInplace, tArgs, iArgs) {
+  //
+}
+}  // namespace ops
+}  // namespace sd