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 +1,118 @@
+/* ******************************************************************************
+ *
+ *
+ * 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 21.08.2018
+//
+
+#include <system/op_boilerplate.h>
+#if NOT_EXCLUDED(OP_scatter_nd)
+
+#include <ops/declarable/CustomOperations.h>
+#include <ops/declarable/generic/helpers/ScatterHelper.h>
+
+namespace sd {
+namespace ops {
+
+CUSTOM_OP_IMPL(scatter_nd, 3, 1, false, 0, 0) {
+  auto indices = INPUT_VARIABLE(0);
+  auto updates = INPUT_VARIABLE(1);
+  auto shape = INPUT_VARIABLE(2);
+  if(indices->isEmpty())
+    return Status::OK;
+
+  auto output = OUTPUT_VARIABLE(0);
+
+  const bool lock = block.getBArguments()->empty() ? false : B_ARG(0);
+  const bool checkIndices = block.getBArguments()->size() <= 1 ? false : B_ARG(1);
+
+  const int indRank = indices->rankOf();
+  const int updRank = updates->rankOf();
+  const int shapeRank = shape->rankOf();
+  const LongType shapeLen = shape->lengthOf();
+
+  REQUIRE_TRUE(shapeRank == 1, 0, "SCATTER_ND OP: the rank of shape array must be 1, but got %i instead !", shapeRank);
+  REQUIRE_TRUE(indices->sizeAt(-1) <= shapeLen, 0,
+               "SCATTER_ND OP: last dimension of indices array must be <= length of shape array, but got %i and %i "
+               "correspondingly !",
+               indices->sizeAt(-1), shapeLen);
+
+  REQUIRE_TRUE(
+      updRank == (indRank - 1 + shapeLen - indices->sizeAt(-1)), 0,
+      "SCATTER_ND OP: the equality updates_rank = (indices_rank - 1 + shape_length - last_indices_dimension) must be "
+      "true for input arrays, but got instead: updates_rank = %i, shape_length = %i, last_indices_dimension = %i !",
+      updRank, shapeLen, indices->sizeAt(-1));
+
+  std::vector<LongType> outShape = shape->getBufferAsVector<LongType>();
+  auto* updShapePtr = updates->getShapeAsVector();
+  std::vector<LongType> updShape = *updShapePtr;
+  delete updShapePtr;
+  auto* indShapePtr = indices->getShapeAsVector();
+  std::vector<LongType> indShape = *indShapePtr;
+  delete indShapePtr;
+  std::vector<LongType> expectedUpdShape(std::begin(indShape), std::end(indShape) - 1);
+  std::move(std::begin(outShape) + indices->sizeAt(-1), std::end(outShape), std::back_inserter(expectedUpdShape));
+  REQUIRE_TRUE(expectedUpdShape == updShape, 0,
+               "SCATTER_ND OP: wrong shape of updates array, expected is %s, but got %s instead !",
+               ShapeUtils::shapeAsString(expectedUpdShape).c_str(), ShapeUtils::shapeAsString(updShape).c_str());
+
+  if (checkIndices) {
+    const LongType numOfBadIndx = helpers::checkIndices(block.launchContext(), *indices, *output);
+    REQUIRE_TRUE(numOfBadIndx == 0, 0,
+                 "SCATTER_ND OP: please check elements of indices-array, total number of wrong elements is %lld!",
+                 numOfBadIndx);
+  }
+
+  // initial zeroing of output
+  *output = 0;
+
+  helpers::scatterND(block.launchContext(), pairwise::Add, *indices, *updates, *output, lock);
+
+  return Status::OK;
+}
+
+DECLARE_TYPES(scatter_nd) {
+  getOpDescriptor()
+      ->setAllowedInputTypes(0, {ALL_INTS})
+      ->setAllowedInputTypes(1, {ALL_INTS, ALL_FLOATS})
+      ->setAllowedInputTypes(2, {ALL_INTS})
+      ->setAllowedOutputTypes({ALL_INTS, ALL_FLOATS});
+}
+
+////////////////////////////////////////////////////////////////////////
+DECLARE_SHAPE_FN(scatter_nd) {
+  auto shape = INPUT_VARIABLE(2);
+  auto updShapeInfo = inputShape->at(1);
+
+  LongType *outShapeInfo;
+  ALLOCATE(outShapeInfo, block.getWorkspace(), shape::shapeInfoLength(shape->lengthOf()), sd::LongType);
+
+  outShapeInfo[0] = shape->lengthOf();
+  for (int i = 0; i < outShapeInfo[0]; ++i) outShapeInfo[i + 1] = shape->e<LongType>(i);
+
+  ShapeUtils::updateStridesAndType(outShapeInfo, updShapeInfo, shape::order(updShapeInfo));
+
+  auto result = SHAPELIST(CONSTANT(outShapeInfo));
+  RELEASE(outShapeInfo, block.getWorkspace());
+  return result;
+}
+
+}  // namespace ops
+}  // namespace sd
+
+#endif