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 +1,90 @@
+/*
+ *  ******************************************************************************
+ *  *
+ *  *
+ *  * 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 GS <sgazeos@gmail.com> at 12/20/2019
+//
+
+#include <ops/declarable/CustomOperations.h>
+#include <ops/declarable/helpers/qr.h>
+#include <system/op_boilerplate.h>
+
+#if NOT_EXCLUDED(OP_qr)
+namespace sd {
+namespace ops {
+CUSTOM_OP_IMPL(qr, 1, 2, false, 0, 0) {
+  auto input = INPUT_VARIABLE(0);
+  auto outputQ = OUTPUT_VARIABLE(0);
+  auto outputR = OUTPUT_VARIABLE(1);
+  auto fullMatricies = false;
+  if (block.getBArguments()->size()) fullMatricies = B_ARG(0);
+  REQUIRE_TRUE(input->rankOf() >= 2, 0, "qr: The rank of input array should not be less than 2, but %i is given",
+               input->rankOf());
+  REQUIRE_TRUE(
+      (fullMatricies && outputQ->sizeAt(-1) == input->sizeAt(-2)) || (!fullMatricies && outputQ->isSameShape(input)), 0,
+      "qr: The last dimensions should be equal to result Q, but %i and %i are given", outputQ->sizeAt(-1),
+      input->sizeAt(-2));
+  REQUIRE_TRUE((fullMatricies && outputR->sizeAt(-1) == input->sizeAt(-1)) ||
+                   (!fullMatricies && outputR->sizeAt(-1) == outputR->sizeAt(-2)),
+               0, "qr: The last dimensions should be equal to result R, but %i and %i are given", outputR->sizeAt(-1),
+               input->sizeAt(-1));
+  if (!input->isEmpty() && !outputQ->isEmpty() && !outputR->isEmpty())
+    helpers::qr(block.launchContext(), input, outputQ, outputR, fullMatricies);
+
+  return Status::OK;
+}
+
+DECLARE_SHAPE_FN(qr) {
+  auto inShape = inputShape->at(0);
+
+  LongType * shapeQ;
+  LongType * shapeR;
+  int targetRank = shape::rank(inShape);  // last two dimensions will be reduced to scalar
+
+  auto fullMatricies = false;
+  if (block.getBArguments()->size()) fullMatricies = B_ARG(0);
+
+  auto shape = ShapeUtils::shapeAsVector(inShape);
+
+  if (!fullMatricies) {  // outputs are: Q is MxN and R is NxN
+    shape[targetRank - 1] = shape::sizeAt(inShape, static_cast<LongType>(-1));
+    shape[targetRank - 2] = shape[targetRank - 1];
+    shapeQ = ConstantShapeHelper::getInstance().createShapeInfo(ArrayOptions::dataType(inShape), shape::order(inShape),
+                                                                targetRank, shape::shapeOf(inShape), -1);
+    shapeR = ConstantShapeHelper::getInstance().createShapeInfo(ArrayOptions::dataType(inShape), shape::order(inShape),
+                                                                shape);
+
+  } else {  // otherwise outputs are Q is MxM and R is MxN with zero filled rows
+    shape[targetRank - 1] = shape::sizeAt(inShape, static_cast<LongType>(-2));
+    shape[targetRank - 2] = shape[targetRank - 1];
+    shapeR = ConstantShapeHelper::getInstance().createShapeInfo(ArrayOptions::dataType(inShape), shape::order(inShape),
+                                                                targetRank, shape::shapeOf(inShape), -1);
+    shapeQ = ConstantShapeHelper::getInstance().createShapeInfo(ArrayOptions::dataType(inShape), shape::order(inShape),
+                                                                shape);
+  }
+
+  return SHAPELIST(shapeQ, shapeR);
+}
+
+DECLARE_TYPES(qr) { getOpDescriptor()->setAllowedInputTypes({ALL_FLOATS})->setAllowedOutputTypes({ALL_FLOATS}); }
+}  // namespace ops
+}  // namespace sd
+
+#endif