wehub-resource-sync
38 lines
1.4 KiB
C++
38 lines
1.4 KiB
C++
// Copyright (c) 2024 PaddlePaddle Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include "paddle/phi/kernels/funcs/common_shape.h"
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namespace phi::funcs {
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inline DDim BroadcastTwoDims(const DDim &x_dims,
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const DDim &y_dims,
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int axis = -1) {
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int max_dim = std::max(x_dims.size(), y_dims.size());
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axis = (axis == -1 ? std::abs(x_dims.size() - y_dims.size()) : axis);
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std::vector<int64_t> x_dims_array(max_dim);
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std::vector<int64_t> y_dims_array(max_dim);
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std::vector<int64_t> out_dims_array(max_dim);
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GetBroadcastDimsArrays(x_dims,
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y_dims,
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x_dims_array.data(),
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y_dims_array.data(),
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out_dims_array.data(),
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max_dim,
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axis);
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return make_ddim(out_dims_array);
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}
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} // namespace phi::funcs
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