chore: import upstream snapshot with attribution

2026-07-13 12:40:42 +08:00
commit e25996e7db
15472 changed files with 3536181 additions and 0 deletions
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+// Copyright (c) 2025 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.
+
+#ifdef PADDLE_WITH_XPU_FFT
+#include "paddle/phi/kernels/as_complex_kernel.h"
+
+#include "paddle/phi/common/type_traits.h"
+#include "paddle/phi/core/dense_tensor.h"
+#include "paddle/phi/core/kernel_registry.h"
+#include "paddle/phi/core/tensor_utils.h"
+
+namespace phi {
+template <typename T, typename Context>
+void AsComplexKernel(const Context& dev_ctx,
+                     const DenseTensor& x,
+                     DenseTensor* out) {
+  dev_ctx.template Alloc<phi::dtype::complex<T>>(out);
+  auto out_dims_original = out->dims();
+  Copy(dev_ctx, x, dev_ctx.GetPlace(), false, out);
+  out->Resize(out_dims_original);  // restored the shape.
+  out->set_type(
+      phi::CppTypeToDataType<phi::dtype::complex<T>>::Type());  // restored the
+                                                                // dtype.
+}
+
+}  // namespace phi
+
+PD_REGISTER_KERNEL(
+    as_complex, XPU, ALL_LAYOUT, phi::AsComplexKernel, float, double) {
+  kernel->OutputAt(0).SetDataType(phi::dtype::ToComplex(kernel_key.dtype()));
+}
+#endif  // PADDLE_WITH_XPU_FFT