message: Benchmark: print res_goal in scientific notation
diff: @@ -42,6 +42,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  #include <iomanip>
  #include <iostream>
  #include <limits>
  +#include <sstream>
  #include <vector>
  @@ -415,11 +416,13 @@ int main(int argc, char *argv[])
  "format\n\n";
  initialize_argument_parsing(&argc, &argv, header, format);
  - std::string extra_information = "Running " + FLAGS_solvers + " with " +
  - std::to_string(FLAGS_max_iters) +
  - " iterations and residual goal of " +
  - std::to_string(FLAGS_rel_res_goal) +
  - "\nThe number of right hand sides is " +
  + std::stringstream ss_rel_res_goal;
  + ss_rel_res_goal << std::scientific << FLAGS_rel_res_goal;
  +
  + std::string extra_information =
  + "Running " + FLAGS_solvers + " with " +
  + std::to_string(FLAGS_max_iters) + " iterations and residual goal of " +
  + ss_rel_res_goal.str() + "\nThe number of right hand sides is " +
  std::to_string(FLAGS_nrhs) + "\n";
  print_general_information(extra_information);
  