test_forward<bg::projections::wag5_spheroid>(amsterdam, utrecht, "+ellps=sphere +units=m");
test_forward<bg::projections::wag6_spheroid>(amsterdam, utrecht, "+ellps=sphere +units=m");
test_forward<bg::projections::wag7_spheroid>(amsterdam, utrecht, "+ellps=sphere +units=m", 2);
+ test_forward<bg::projections::webmerc_spheroid>(amsterdam, utrecht, "+ellps=WGS84 +units=m", 22);
test_forward<bg::projections::weren_spheroid>(amsterdam, utrecht, "+ellps=sphere +units=m", 4);
test_forward<bg::projections::wink1_spheroid>(amsterdam, utrecht, "+ellps=sphere +units=m", 3);
test_forward<bg::projections::wink2_spheroid>(amsterdam, utrecht, "+ellps=sphere +units=m", 4);