`GF2::Matrix` — Add & Remove Rows and Columns

Adds/removes rows & columns from the end of the bit-matrix.

constexpr Matrix &add_row();    (1)
constexpr Matrix &add_col();    (2)
constexpr Matrix &pop_row();    (3)
constexpr Matrix &pop_col();    (4)

1	Adds a new row of zeros to the end of the bit-matrix.
2	Adds a new column of zeros to the end of the bit-matrix.
3	Removes the last row from the bit-matrix.
4	Removes the last columns from the bit-matrix.

These methods all return a reference to *this so can be chained with other calls.

Example

#include <GF2/GF2.h>
int main()
{
    auto m = GF2::Matrix<>::ones(2,8);
    std::cout << "m:\n" << m << '\n';
    m.add_row();
    std::cout << "m:\n" << m << '\n';
    m.add_col();
    std::cout << "m:\n" << m << '\n';
    m.pop_row();
    std::cout << "m:\n" << m << '\n';
    m.pop_col();
    std::cout << "m:\n" << m << '\n';
    m.clear();                          (1)
    std::cout << "m:\n" << m << '\n';
    m.add_row();                        (2)
    std::cout << "m:\n" << m << '\n';
    m.pop_col();                        (3)
    std::cout << "m:\n" << m << '\n';
}

1	Clears the bit-matrix.
2	Adding a row or a column to an empty bit-matrix does nothing.
3	Popping a row or a column from an empty bit-matrix does nothing.

Output

GF2::Matrix — Add & Remove Rows and Columns

`GF2::Matrix` — Add & Remove Rows and Columns