#pragma once
#include <Eigen/Core>
namespace mix_cc {
namespace dataframe {
namespace detail {
void remove_row(Eigen::MatrixXd* const matrix, unsigned int row_to_rm) {
  unsigned int num_row = matrix->rows() - 1;
  unsigned int num_col = matrix->cols();

  if (row_to_rm < num_row)
    matrix->block(row_to_rm, 0, num_row - row_to_rm, num_col) =
        matrix->block(row_to_rm + 1, 0, num_row - row_to_rm, num_col);

  matrix->conservativeResize(num_row, num_col);
}

void remove_column(Eigen::MatrixXd* const matrix, unsigned int col_to_rm) {
  unsigned int num_row = matrix->rows();
  unsigned int num_col = matrix->cols() - 1;

  if (col_to_rm < num_col)
    matrix->block(0, col_to_rm, num_row, num_col - col_to_rm) =
        matrix->block(0, col_to_rm + 1, num_row, num_col - col_to_rm);

  matrix->conservativeResize(num_row, num_col);
}
}  // namespace detail
}  // namespace dataframe
}  // namespace mix_cc