wehub-resource-sync
70 lines
1.7 KiB
C++
70 lines
1.7 KiB
C++
// Copyright (c) 2022 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/core/dense_tensor.h"
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#include "paddle/phi/kernels/matrix_rank_kernel.h"
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namespace phi {
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namespace detail {
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static DDim GetEigenvalueDim(const DDim& dim, int k) {
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auto vec = vectorize(dim);
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vec.erase(vec.end() - 2, vec.end());
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vec.push_back(k);
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return make_ddim(vec);
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}
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static DDim NewAxisDim(const DDim& dim, int k) {
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auto vec = vectorize(dim);
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vec.push_back(k);
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return make_ddim(vec);
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}
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static DDim RemoveLastDim(const DDim& dim) {
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auto vec = vectorize(dim);
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if (vec.size() <= 1) {
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return make_ddim({1});
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}
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vec.erase(vec.end() - 1, vec.end());
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return make_ddim(vec);
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}
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static DDim GetUDDim(const DDim& x_dim, int k) {
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auto x_vec = vectorize(x_dim);
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x_vec[x_vec.size() - 1] = k;
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return make_ddim(x_vec);
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}
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static DDim GetVHDDim(const DDim& x_dim, int k) {
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auto x_vec = vectorize(x_dim);
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x_vec[x_vec.size() - 2] = k;
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return make_ddim(x_vec);
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}
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} // namespace detail
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template <typename T>
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struct GreaterElementFunctor {
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HOSTDEVICE T operator()(const T a, const T b) const {
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if (a > b) {
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return a;
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} else {
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return b;
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}
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}
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};
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} // namespace phi
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