195     double nz = (changesign)(static_cast<double>(0)); // negative signed zero.  in BOOST_AUTO_TEST_CASE()  local
196     CHECKOUT(nz, "-0");  in BOOST_AUTO_TEST_CASE()
198     CHECKOUT(std::showpos << nz, "-0"); // Ignore showpos because is negative.  in BOOST_AUTO_TEST_CASE()
199     CHECKOUT(std::setw(2) << nz, "-0");  in BOOST_AUTO_TEST_CASE()
200     CHECKOUT(std::setw(4) << nz, "  -0");  in BOOST_AUTO_TEST_CASE()
201     CHECKOUT(std::right << std::setw(4) << nz, "  -0");  in BOOST_AUTO_TEST_CASE()
202     CHECKOUT(std::left << std::setw(4) << nz, "-0  ");  in BOOST_AUTO_TEST_CASE()
203     CHECKOUT(std::setw(4) << std::setfill('*') << nz, "**-0");  in BOOST_AUTO_TEST_CASE()
204 …CHECKOUT(std::setw(4) << std::internal << std::setfill('*') << nz, "-**0"); // Use std::internal t…  in BOOST_AUTO_TEST_CASE()
205     CHECKOUT(std::showpos << std::setw(4) << std::internal << std::setfill('*') << nz, "-**0");  in BOOST_AUTO_TEST_CASE()
212 …CHECKOUT(std::setprecision(2) << nz, "-0"); // No showpoint, so no decimal point nor trailing zero…  in BOOST_AUTO_TEST_CASE()
215     CHECKOUT(std::setprecision(2) << std::showpoint << nz, "-0.00"); // or "-0.0"  in BOOST_AUTO_TEST_CASE()
216 …CHECKOUT(std::setw(1) << std::setprecision(3) << std::showpoint << nz, "-0.000"); // Not enough wi…  in BOOST_AUTO_TEST_CASE()
220     CHECKOUT(std::setprecision(2) << std::showpoint << nz, "-0.0"); // or "-0.00"  in BOOST_AUTO_TEST_CASE()
221 …CHECKOUT(std::setw(1) << std::setprecision(3) << std::showpoint << nz, "-0.00"); // Not enough wid…  in BOOST_AUTO_TEST_CASE()
225 …std::setw(10) << std::setfill('*') << std::setprecision(1) << std::left << nz, "-0.0e+000*"); // -…  in BOOST_AUTO_TEST_CASE()
229 …std::setw(10) << std::setfill('*') << std::setprecision(1) << std::left << nz, "-0.0e+00**"); // -…  in BOOST_AUTO_TEST_CASE()