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
+ ******************************************************************************/
+
+//
+//  @author raver119@gmail.com
+//
+
+#include <system/op_boilerplate.h>
+#if NOT_EXCLUDED(OP_cross)
+
+#include <ops/declarable/headers/parity_ops.h>
+#include <ops/declarable/helpers/cross.h>
+
+namespace sd {
+namespace ops {
+DECLARE_TYPES(cross) {
+  getOpDescriptor()
+      ->setAllowedInputTypes({ALL_INTS, ALL_FLOATS})
+      ->setAllowedOutputTypes({ALL_INTS, ALL_FLOATS})
+      ->setSameMode(true);
+}
+
+OP_IMPL(cross, 2, 1, false) {
+  auto a = INPUT_VARIABLE(0);
+  auto b = INPUT_VARIABLE(1);
+
+  REQUIRE_TRUE(a->lengthOf() == b->lengthOf(), 0, "Cross: A and B lengths should match");
+  REQUIRE_TRUE(a->rankOf() >= 1 && b->rankOf() >= 1, 0, "Cross: A and B should have rank >= 1");
+
+  // TODO: we might want to lift this restriction
+  REQUIRE_TRUE(a->isSameShape(b), 0, "Cross: A and B should have equal shape");
+  REQUIRE_TRUE(a->sizeAt(-1) == 3, 0, "Cross: outer dimension of A and B should be equal to 3");
+
+  auto o = OUTPUT_VARIABLE(0);
+
+  if (a->lengthOf() == 3) {
+    helpers::cross(block.launchContext(), a, b, o);
+  } else {
+    helpers::crossBatched(block.launchContext(), a, b, o);
+  }
+
+  return Status::OK;
+}
+}  // namespace ops
+}  // namespace sd
+
+#endif