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cpu_format_dense_vec.hpp
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1/**********************************************************************************/
2/* This file is part of spla project */
3/* https://github.com/SparseLinearAlgebra/spla */
4/**********************************************************************************/
5/* MIT License */
6/* */
7/* Copyright (c) 2023 SparseLinearAlgebra */
8/* */
9/* Permission is hereby granted, free of charge, to any person obtaining a copy */
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16/* The above copyright notice and this permission notice shall be included in all */
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27
28#ifndef SPLA_CPU_FORMAT_DENSE_VEC_HPP
29#define SPLA_CPU_FORMAT_DENSE_VEC_HPP
30
31#include <cpu/cpu_formats.hpp>
32
33namespace spla {
34
40 template<typename T>
41 void cpu_dense_vec_resize(const uint n_rows,
42 CpuDenseVec<T>& vec) {
43 vec.Ax.resize(n_rows);
44 vec.values = n_rows;
45 }
46
47 template<typename T>
48 void cpu_dense_vec_fill(const T fill_value,
49 CpuDenseVec<T>& vec) {
50 std::fill(vec.Ax.begin(), vec.Ax.end(), fill_value);
51 }
52
53 template<typename T>
54 void cpu_dense_vec_to_dok(const uint n_rows,
55 const T fill_value,
56 const CpuDenseVec<T>& in,
57 CpuDokVec<T>& out) {
58 assert(out.values == 0);
59 assert(out.Ax.empty());
60
61 for (uint i = 0; i < n_rows; ++i) {
62 if (in.Ax[i] != fill_value) {
63 out.Ax[i] = in.Ax[i];
64 out.values += 1;
65 }
66 }
67 }
68
73}// namespace spla
74
75#endif//SPLA_CPU_FORMAT_DENSE_VEC_HPP
CPU one-dim array for dense vector representation.
Definition cpu_formats.hpp:74
std::vector< T > Ax
Definition cpu_formats.hpp:80
Definition cpu_formats.hpp:55
robin_hood::unordered_flat_map< uint, T > Ax
Definition cpu_formats.hpp:63
uint values
Definition tdecoration.hpp:58
void cpu_dense_vec_fill(const T fill_value, CpuDenseVec< T > &vec)
Definition cpu_format_dense_vec.hpp:48
void cpu_dense_vec_resize(const uint n_rows, CpuDenseVec< T > &vec)
Definition cpu_format_dense_vec.hpp:41
void cpu_dense_vec_to_dok(const uint n_rows, const T fill_value, const CpuDenseVec< T > &in, CpuDokVec< T > &out)
Definition cpu_format_dense_vec.hpp:54
std::uint32_t uint
Library index and size type.
Definition config.hpp:56
Definition algorithm.hpp:37