Files
2022-06-28 19:13:17 +02:00

118 lines
2.5 KiB
C++

#include <blaze/Math.h>
#include <iostream>
using namespace std;
using namespace blaze;
void ror(auto &vec)
{
vec = elements(vec, [size=vec.size()](size_t i){ return (i-1) % size; }, vec.size());
}
void rol(auto &vec)
{
vec = elements(vec, [size=vec.size()](size_t i){ return (i+1) % size; }, vec.size());
}
void insert_left(auto &vec, auto const &x)
{
ror(vec);
vec[0] = x;
}
void insert_right(auto &vec, auto const &x)
{
rol(vec);
vec[vec.size()-1] = x;
}
void shift()
{
{
cout << "Shift ROL with index vector : " << endl;
DynamicVector<int, rowVector> vec = { 0, 0, 0, 0, 0, 0, 0, 1 };
cout << "vec : " << endl;
for (int i=0; i < vec.size(); i++)
{
cout << vec;
std::vector<size_t> idx = {0};
idx.resize(vec.size());
size_t k=1;
for (auto i=idx.begin(); i != idx.end()-1; i++)
{
*i = k++;
}
vec = elements(vec, idx);
}
}
{
cout << "Shift ROR with index vector : " << endl;
DynamicVector<int, rowVector> vec = { 1, 0, 0, 0, 0, 0, 0, 0 };
cout << "vec : " << endl;
for (int i=0; i < vec.size(); i++)
{
cout << vec;
std::vector<size_t> idx = {vec.size()-1};
idx.resize(vec.size());
size_t k=0;
for (auto i=idx.begin()+1; i != idx.end(); i++)
{
*i = k++;
}
vec = elements(vec, idx);
}
}
{
cout << "Shift ROL with lambda : " << endl;
DynamicVector<int, rowVector> vec = { 0, 0, 0, 0, 0, 0, 0, 1 };
cout << "vec : " << endl;
for (int i=0; i < vec.size(); i++)
{
cout << vec;
vec = elements(vec, [size=vec.size()](size_t i){ return (i+1) % size; }, vec.size());
}
}
{
cout << "Shift ROR with lambda : " << endl;
DynamicVector<int, rowVector> vec = { 1, 0, 0, 0, 0, 0, 0, 0 };
cout << "vec : " << endl;
for (int i=0; i < vec.size(); i++)
{
cout << vec;
vec = elements(vec, [size=vec.size()](size_t i){ return (i-1) % size; }, vec.size());
}
}
{
cout << "insert_left : " << endl;
DynamicVector<int, rowVector> vec = { 0, 0, 0, 0, 0, 0, 0, 0 };
for (int i=1; i <= vec.size(); i++)
{
cout << vec;
insert_left(vec, i);
}
}
{
cout << "insert_right : " << endl;
DynamicVector<int, rowVector> vec = { 0, 0, 0, 0, 0, 0, 0, 0 };
for (int i=1; i <= vec.size(); i++)
{
cout << vec;
insert_right(vec, i);
}
}
{
cout << "subvector insert_left : " << endl;
DynamicVector<int, rowVector> vec = { 0, 0, 0, 0, 0, 0, 0, 0 };
for (int i=1; i <= vec.size(); i++)
{
auto sv1 = subvector(vec, 0, 5);
insert_left(sv1, i+10);
auto sv2 = subvector(vec, 5, 3);
insert_left(sv2, i+100);
cout << vec;
}
}
}