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 24/09/18.
+//
+#include <array/NDArrayList.h>
+#include <system/op_boilerplate.h>
+
+#if NOT_EXCLUDED(OP_Where)
+#include <ops/declarable/helpers/where.h>
+
+namespace sd {
+namespace ops {
+namespace helpers {
+template <typename T>
+static void __where(NDArray &condition, NDArray &output, memory::Workspace *workspace) {
+  NDArrayList list(0, true);
+  sd::LongType cnt = 0;
+
+
+  for (sd::LongType e = 0; e < condition.lengthOf(); e++) {
+    sd::LongType coords[SD_MAX_RANK];
+
+    INDEX2COORDS(e, condition.rankOf(), condition.shapeOf(), coords);
+    sd::LongType offset;
+    COORDS2INDEX(condition.rankOf(), shape::stride(condition.shapeInfo()), coords, offset);
+
+    if (condition.e<bool>(offset)) {
+      std::vector<sd::LongType> arrShape = {1, condition.rankOf()};
+      auto array = NDArrayFactory::create_('c', arrShape, output.dataType(), output.getContext());
+      for (sd::LongType f = 0; f < condition.rankOf(); f++)  {
+        array->p(f, (T)coords[f]);
+      }
+      list.write(cnt++, array);
+    }
+  }
+
+  auto s = list.stack();
+  output.assign(s);
+  delete s;
+}
+BUILD_SINGLE_TEMPLATE( void __where, (NDArray & condition, NDArray &output, memory::Workspace *workspace),
+                      SD_COMMON_TYPES);
+
+void _where(sd::LaunchContext *context, NDArray &condition, NDArray &output, memory::Workspace *workspace) {
+  condition.syncToHost();
+  BUILD_SINGLE_SELECTOR(output.dataType(), __where, (condition, output, workspace), SD_COMMON_TYPES);
+  output.syncToDevice();
+}
+}  // namespace helpers
+}  // namespace ops
+}  // namespace sd
+
+#endif