chore: import upstream snapshot with attribution

paddle/phi/kernels/impl/box_clip_kernel_impl.h

@@ -0,0 +1,52 @@
+// Copyright (c) 2024 PaddlePaddle Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// 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.
+
+#pragma once
+#include <string>
+
+#include "paddle/phi/core/kernel_registry.h"
+#include "paddle/phi/kernels/funcs/detection/bbox_util.h"
+#include "paddle/phi/kernels/funcs/math_function.h"
+
+namespace phi {
+
+template <typename T, typename Context>
+void BoxClipKernel(const Context& dev_ctx,
+                   const DenseTensor& input,
+                   const DenseTensor& im_info,
+                   DenseTensor* output) {
+  auto* input_box = &input;
+  auto* im_info_p = &im_info;
+  auto* output_box = output;
+  dev_ctx.template Alloc<T>(output_box);
+
+  if (input_box->lod().size()) {
+    PADDLE_ENFORCE_EQ(input_box->lod().size(),
+                      1UL,
+                      common::errors::InvalidArgument(
+                          "Input(Input) of BoxClip only supports 1 level "
+                          "of LoD. But received the "
+                          "level = %d",
+                          input_box->lod().size()));
+  }
+  auto box_lod = input_box->lod().back();
+  int64_t n = static_cast<int64_t>(box_lod.size() - 1);
+  for (int i = 0; i < n; ++i) {
+    DenseTensor im_info_slice = im_info_p->Slice(i, i + 1);
+    DenseTensor box_slice = input_box->Slice(box_lod[i], box_lod[i + 1]);
+    DenseTensor output_slice = output_box->Slice(box_lod[i], box_lod[i + 1]);
+    funcs::ClipTiledBoxes<T>(dev_ctx, im_info_slice, box_slice, &output_slice);
+  }
+}
+}  // namespace phi