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2026-07-13 12:40:42 +08:00

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// Copyright (c) 2023 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.
#include "paddle/phi/kernels/activation_grad_kernel.h"
#include "paddle/phi/backends/xpu/enforce_xpu.h"
#include "paddle/phi/core/kernel_registry.h"
namespace phi {
template <typename T, typename Context>
void AtanGradKernel(const Context& dev_ctx,
const DenseTensor& x,
const DenseTensor& dout,
DenseTensor* dx) {
using XPUType = typename XPUTypeTrait<T>::Type;
const T* x_ptr = x.data<T>();
const T* dout_ptr = dout.data<T>();
T* dx_ptr = dev_ctx.template Alloc<T>(dx);
int r = xpu::arctan_grad(dev_ctx.x_context(),
reinterpret_cast<const XPUType*>(x_ptr),
reinterpret_cast<const XPUType*>(dout_ptr),
reinterpret_cast<XPUType*>(dx_ptr),
x.numel());
PADDLE_ENFORCE_XDNN_SUCCESS(r, "arctan_grad");
}
} // namespace phi
PD_REGISTER_KERNEL(
atan_grad, XPU, ALL_LAYOUT, phi::AtanGradKernel, float, phi::float16) {}