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 +1,96 @@
+/* ******************************************************************************
+ *
+ *
+ * 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 3/30/2018
+//
+
+#include <ops/declarable/CustomOperations.h>
+#include <ops/declarable/helpers/extract_patches.h>
+#if NOT_EXCLUDED(OP_extract_image_patches)
+namespace sd {
+namespace ops {
+CUSTOM_OP_IMPL(extract_image_patches, 1, 1, false, 0, 7) {
+  auto input = INPUT_VARIABLE(0);
+  auto output = OUTPUT_VARIABLE(0);
+  int ksizeRows = INT_ARG(0);
+  int ksizeCols = INT_ARG(1);
+  int kstrideRows = INT_ARG(2);
+  int kstrideCols = INT_ARG(3);
+  int krateRows = INT_ARG(4);
+  int krateCols = INT_ARG(5);
+  bool isSame = INT_ARG(6) != 0;
+
+  REQUIRE_TRUE(input->rankOf() == 4, 0, "extract_image_patches: The rank of input array should be 4, but %i is given",
+               input->rankOf());
+
+  if (output->isSameShape(input))
+    output->assign(input);
+  else {
+    output->nullify();
+    helpers::extractPatches(block.launchContext(), input, output, ksizeRows, ksizeCols, kstrideRows, kstrideCols,
+                            krateRows, krateCols, isSame);
+  }
+  return Status::OK;
+}
+
+DECLARE_TYPES(extract_image_patches) { getOpDescriptor()->setAllowedInputTypes(ANY)->setSameMode(true); }
+
+DECLARE_SHAPE_FN(extract_image_patches) {
+  auto in = inputShape->at(0);
+  int outRank = shape::rank(in);
+  LongType *outputShape = nullptr;
+
+  int ksizeRowsEffective = INT_ARG(0) + (INT_ARG(0) - 1) * (INT_ARG(4) - 1);
+  int ksizeColsEffective = INT_ARG(1) + (INT_ARG(1) - 1) * (INT_ARG(5) - 1);
+
+  auto batchSizeDim = shape::sizeAt(in, static_cast<LongType>(0));
+  auto inputRowsDim = shape::sizeAt(in, static_cast<LongType>(1));
+  auto inputColsDim = shape::sizeAt(in, static_cast<LongType>(2));
+  auto outputDepthDim = shape::sizeAt(in, static_cast<LongType>(3)) * INT_ARG(0) * INT_ARG(1);  // last dim * ksizeRows * ksizeCols
+
+  auto inputRowSize = inputRowsDim;
+  auto inputColSize = inputColsDim;
+  LongType outRowSize;
+  LongType outColSize;
+  if (INT_ARG(6) == 0) {
+    // Padding is "VALID":
+    outRowSize = (inputRowSize - ksizeRowsEffective + INT_ARG(2)) / INT_ARG(2);
+    outColSize = (inputColSize - ksizeColsEffective + INT_ARG(3)) / INT_ARG(3);
+  } else {
+    // Padding is "SAME":
+    outRowSize = (inputRowSize + INT_ARG(2) - 1) / INT_ARG(2);
+    outColSize = (inputColSize + INT_ARG(3) - 1) / INT_ARG(3);
+  }
+
+  ALLOCATE(outputShape, block.getWorkspace(), shape::shapeInfoLength(outRank), sd::LongType);
+
+  outputShape[0] = outRank;
+  outputShape[1] = batchSizeDim;
+  outputShape[2] = outRowSize;
+  outputShape[3] = outColSize;
+  outputShape[4] = outputDepthDim;
+
+  ShapeUtils::updateStridesAndType(outputShape, in, shape::order(in));
+
+  return SHAPELIST(CONSTANT(outputShape));
+}
+}  // namespace ops
+}  // namespace sd
+
+#endif