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 +1,71 @@
+/* ******************************************************************************
+ *
+ *
+ * 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 Yurii Shyrma (iuriish@yahoo.com), created on 24.01.2018
+//
+
+#include <system/op_boilerplate.h>
+#if NOT_EXCLUDED(OP_trace)
+
+#include <ops/declarable/CustomOperations.h>
+#include <ops/declarable/helpers/transforms.h>
+
+namespace sd {
+namespace ops {
+
+CUSTOM_OP_IMPL(trace, 1, 1, false, 0, 0) {
+  auto input = INPUT_VARIABLE(0);
+  auto output = OUTPUT_VARIABLE(0);
+
+  REQUIRE_TRUE(input->rankOf() >= 2, 0, "TRACE op: the rank of input array must be >=2, but got %i instead!",
+               input->rankOf());
+
+  helpers::trace(block.launchContext(), *input, *output);
+
+  return Status::OK;
+}
+
+DECLARE_TYPES(trace) {
+  getOpDescriptor()->setAllowedInputTypes(0, {ALL_FLOATS})->setAllowedOutputTypes(0, {ALL_FLOATS});
+}
+
+DECLARE_SHAPE_FN(trace) {
+  auto inShapeInfo = inputShape->at(0);
+
+  REQUIRE_TRUE(inShapeInfo[0] >= 2, 0, "TRACE op: the rank of input array must be >=2, but got %i instead!",
+               inShapeInfo[0]);
+  const int rank = inShapeInfo[0] - 2;
+
+  LongType* outShapeInfo(nullptr);
+  ALLOCATE(outShapeInfo, block.getWorkspace(), shape::shapeInfoLength(rank), sd::LongType);
+
+  outShapeInfo[0] = rank;
+  for (int i = 1; i <= rank; ++i) outShapeInfo[i] = inShapeInfo[i];
+
+  shape::updateStrides(outShapeInfo, shape::order(inShapeInfo), false);
+  ArrayOptions::setDataType(outShapeInfo,ArrayOptions::dataType(inShapeInfo));
+  auto result = ConstantShapeHelper::getInstance().bufferForShapeInfo(outShapeInfo)->primary();
+  RELEASE(outShapeInfo, block.getWorkspace());
+  return SHAPELIST(result);
+}
+
+}  // namespace ops
+}  // namespace sd
+
+#endif