sign_flip_mg.hpp

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/*
 * SPDX-FileCopyrightText: Copyright (c) 2020-2025, NVIDIA CORPORATION.
 * SPDX-License-Identifier: Apache-2.0
 */
 
#pragma once
 
#include <cuml/prims/opg/matrix/data.hpp>
#include <cuml/prims/opg/matrix/part_descriptor.hpp>
 
#include <raft/core/handle.hpp>
 
namespace ML {
namespace PCA {
namespace opg {
 
void sign_flip_components_u(raft::handle_t& handle,
                            std::vector<MLCommon::Matrix::Data<float>*>& input_data,
                            MLCommon::Matrix::PartDescriptor& input_desc,
                            float* components,
                            std::size_t n_samples,
                            std::size_t n_features,
                            std::size_t n_components,
                            cudaStream_t* streams,
                            std::uint32_t n_stream,
                            bool center);
 
void sign_flip_components_u(raft::handle_t& handle,
                            std::vector<MLCommon::Matrix::Data<double>*>& input_data,
                            MLCommon::Matrix::PartDescriptor& input_desc,
                            double* components,
                            std::size_t n_samples,
                            std::size_t n_features,
                            std::size_t n_components,
                            cudaStream_t* streams,
                            std::uint32_t n_stream,
                            bool center);
 
void sign_flip(raft::handle_t& handle,
               std::vector<MLCommon::Matrix::Data<float>*>& input_data,
               MLCommon::Matrix::PartDescriptor& input_desc,
               float* components,
               std::size_t n_components,
               cudaStream_t* streams,
               std::uint32_t n_stream);
 
void sign_flip(raft::handle_t& handle,
               std::vector<MLCommon::Matrix::Data<double>*>& input_data,
               MLCommon::Matrix::PartDescriptor& input_desc,
               double* components,
               std::size_t n_components,
               cudaStream_t* streams,
               std::uint32_t n_stream);
 
};  // end namespace opg
};  // end namespace PCA
};  // end namespace ML