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 +1,79 @@
+/* ******************************************************************************
+ *
+ *
+ * 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 "../TadDescriptor.h"
+
+#include <algorithm>
+#include <helpers/ModularHasher.h>
+namespace sd {
+TadDescriptor::TadDescriptor(const TadDescriptor &other) {
+  _originalShape = other._originalShape;
+  _axis = other._axis;
+  _unitiesInShape = other._unitiesInShape;
+}
+
+TadDescriptor::TadDescriptor(const LongType *originalShape, const LongType *dimensions, const LongType length,
+                             const bool keepUnitiesInShape) {
+
+  _axis.resize(length);
+  for (LongType e = 0; e < length; e++) {
+    _axis[e] = dimensions[e];
+  }
+
+  if (length > 1) std::sort(_axis.begin(), _axis.end());
+
+  _originalShape = const_cast<sd::LongType *>(originalShape);
+  _unitiesInShape = keepUnitiesInShape;
+}
+
+bool TadDescriptor::operator==(const TadDescriptor &other) const {
+  return std::tie(_originalShape, _axis, _unitiesInShape) ==
+         std::tie(other._originalShape, other._axis, other._unitiesInShape);
+}
+
+bool TadDescriptor::operator<(const TadDescriptor &other) const {
+  return std::tie(_originalShape, _axis, _unitiesInShape) <
+         std::tie(other._originalShape, other._axis, other._unitiesInShape);
+}
+
+std::vector<LongType> &TadDescriptor::axis() { return _axis; }
+
+LongType *TadDescriptor::originalShape() { return _originalShape; }
+
+bool TadDescriptor::areUnitiesinShape() const { return _unitiesInShape; }
+}  // namespace sd
+
+namespace std {
+size_t hash<sd::TadDescriptor>::operator()(const sd::TadDescriptor &k) const {
+  using namespace sd::helpers::detail;
+
+  // Start with initial hash from unities flag
+  uint64_t hash = ModularHasher::hash_scalar(k.areUnitiesinShape());
+  // Hash the axis vector
+  auto& axes = const_cast<sd::TadDescriptor&>(k).axis();
+  if (!axes.empty()) {
+    hash = ModularHasher::hash_vector(axes, hash);
+  }
+
+  return hash;
+}
+}  // namespace std