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
+ ******************************************************************************/
+
+//
+// Created by raver119 on 12.10.2017.
+//
+
+#include <system/op_boilerplate.h>
+#if NOT_EXCLUDED(OP_maximum)
+
+#include <ops/declarable/CustomOperations.h>
+#include <ops/declarable/generic/helpers/BroadcastHelper.h>
+#include <ops/declarable/helpers/minimax.h>
+namespace sd {
+namespace ops {
+BROADCASTABLE_OP_IMPL(maximum, 0, 0) {
+  auto x = INPUT_VARIABLE(0);
+  auto y = INPUT_VARIABLE(1);
+  auto z = OUTPUT_VARIABLE(0);
+
+  BROADCAST_CHECK_EMPTY(x, y, z);
+
+  auto tZ = BroadcastHelper::broadcastApply(BROADCAST(MaxPairwise), x, y, z);
+  if (tZ == nullptr)
+    return Status::KERNEL_FAILURE;
+  else if (tZ != z) {
+    OVERWRITE_RESULT(tZ);
+  }
+
+  return Status::OK;
+}
+
+DECLARE_TYPES(maximum) {
+  getOpDescriptor()
+      ->setAllowedInputTypes(0, ANY)
+      ->setAllowedInputTypes(1, ANY)
+      ->setAllowedOutputTypes(0, INHERIT);
+}
+
+DECLARE_TYPES(maximum_bp) {
+  getOpDescriptor()->setAllowedInputTypes(ANY)->setAllowedOutputTypes({ALL_FLOATS});
+}
+
+CUSTOM_OP_IMPL(maximum_bp, 3, 2, false, 0, 0) {
+  auto x = INPUT_VARIABLE(0);
+  auto y = INPUT_VARIABLE(1);
+  auto epsNext = INPUT_VARIABLE(2);
+
+  auto gradX = OUTPUT_VARIABLE(0);
+  auto gradY = OUTPUT_VARIABLE(1);
+
+  helpers::maximumBPFunctor(block.launchContext(), x, y, epsNext, gradX, gradY);
+  return Status::OK;
+}
+
+DECLARE_SHAPE_FN(maximum_bp) {
+  auto x = inputShape->at(0);
+  auto y = inputShape->at(1);
+  auto e = inputShape->at(2);
+
+  // eps always has shape of x
+  // grad always has shape of y
+  return SHAPELIST(CONSTANT(x), CONSTANT(y));
+}
+}  // namespace ops
+}  // namespace sd
+
+#endif