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 +1,108 @@
+/* ******************************************************************************
+ *
+ *
+ * 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 Created by raver119 on 24.11.17.
+// @author Yurii Shyrma (iuriish@yahoo.com)
+//
+
+#include <system/op_boilerplate.h>
+#if NOT_EXCLUDED(OP_scatter_div)
+
+#include <ops/declarable/CustomOperations.h>
+#include <ops/declarable/generic/helpers/ScatterHelper.h>
+
+namespace sd {
+namespace ops {
+OP_IMPL(scatter_div, 3, 1, true) {
+  auto input = INPUT_VARIABLE(0);
+  auto indices = INPUT_VARIABLE(1);
+  auto updates = INPUT_VARIABLE(2);
+  if(indices->isEmpty())
+    return Status::OK;
+
+  auto output = OUTPUT_VARIABLE(0);
+
+  if (!block.isInplace()) output->assign(input);
+
+  const bool lock = block.getBArguments()->empty() ? false : B_ARG(0);
+  const bool checkIndices = block.getBArguments()->size() <= 1 ? false : B_ARG(1);
+
+  const int inRank = input->rankOf();
+  const int indRank = indices->rankOf();
+  const int updRank = updates->rankOf();
+
+  REQUIRE_TRUE(inRank > 0, 0, "SCATTER_DIV OP: input should not be scalar !");
+
+  if (inRank == 1) {
+    REQUIRE_TRUE(indices->isSameShape(updates), 0,
+                 "SCATTER_DIV OP: when input array has rank = 1 then indices and updates must have the same shapes, "
+                 "but got %s and %s correspondingly !",
+                 ShapeUtils::shapeAsString(indices).c_str(), ShapeUtils::shapeAsString(updates).c_str());
+  } else if (inRank == updRank && indices->isVector()) {
+    auto* updShapeVec = updates->getShapeAsVector();
+    auto* inShapeVec = input->getShapeAsVector();
+    std::vector<LongType> expectedUpdShape = {indices->lengthOf()};
+    expectedUpdShape.insert(expectedUpdShape.end(), inShapeVec->begin() + 1, inShapeVec->end());
+
+    REQUIRE_TRUE(expectedUpdShape == *updShapeVec, 0,
+                 "SCATTER_DIV OP: wrong shape of updates array, expected is %s, but got %s instead !",
+                 ShapeUtils::shapeAsString(expectedUpdShape).c_str(), ShapeUtils::shapeAsString(*updShapeVec).c_str());
+    delete updShapeVec;
+    delete inShapeVec;
+  } else {
+    auto* updShapeVec = updates->getShapeAsVector();
+    auto* inShapeVec = input->getShapeAsVector();
+    auto* indShapeVec = indices->getShapeAsVector();
+    std::vector<LongType> expectedUpdShape = *indShapeVec;
+    expectedUpdShape.insert(expectedUpdShape.end(), inShapeVec->begin() + 1, inShapeVec->end());
+
+    REQUIRE_TRUE(expectedUpdShape == *updShapeVec, 0,
+                 "SCATTER_DIV OP: wrong shape of updates array, expected is %s, but got %s instead !",
+                 ShapeUtils::shapeAsString(expectedUpdShape).c_str(), ShapeUtils::shapeAsString(*updShapeVec).c_str());
+    delete updShapeVec;
+    delete inShapeVec;
+    delete indShapeVec;
+  }
+
+  if (!indices->isEmpty()) {
+    if (checkIndices) {
+      const LongType numOfBadIndx = helpers::checkIndices(block.launchContext(), *indices, *output, 0);
+      REQUIRE_TRUE(numOfBadIndx == 0, 0,
+                   "SCATTER_DIV OP: please check elements of indices-array, total number of wrong elements is %lld!",
+                   numOfBadIndx);
+    }
+
+    helpers::scatter(block.launchContext(), pairwise::Divide, *indices, *updates, *output, lock);
+  }
+
+  return Status::OK;
+}
+DECLARE_SYN(ScatterDiv, scatter_div);
+
+DECLARE_TYPES(scatter_div) {
+  getOpDescriptor()
+      ->setAllowedInputTypes(0, {ALL_INTS, ALL_FLOATS})
+      ->setAllowedInputTypes(1, {ALL_INTS})
+      ->setAllowedInputTypes(2, {ALL_INTS, ALL_FLOATS})
+      ->setAllowedOutputTypes({ALL_INTS, ALL_FLOATS});
+}
+}  // namespace ops
+}  // namespace sd
+
+#endif