Function testEuler

src/python/PyImathTest/main.cpp:1151–1240

void
testEuler ()
{
    object mainModule ((handle<> (borrowed (PyImport_AddModule ("__main__")))));
    object mainNamespace = mainModule.attr ("__dict__");

    std::cerr << "Testing Euler*:\n";

    std::string code = 
        "from imath import *\n"
        "ef = Eulerf (V3f(1.1, 2.2, 3.3), EULER_XZY)\n"
        "ed = Eulerd (V3d(4.4, 5.5, 6.6), EULER_ZYX)\n"
        "i = 1\n"
        "from wrap import *\n"
        "w = wrap ('Eulerf')\n"
        "assert equal (w.x, 1.1, 1e-6)\n"
        "assert equal (w.y, 2.2, 1e-6)\n"
        "assert equal (w.z, 3.3, 1e-6)\n"
        "assert w.order() == EULER_XZY\n"
        "w = wrap ('Eulerd')\n"
        "assert equal (w.x, 1.1, 1e-6)\n"
        "assert equal (w.y, 2.2, 1e-6)\n"
        "assert equal (w.z, 3.3, 1e-6)\n"
        "assert w.order() == EULER_XZY\n";

    handle<> ignored (PyRun_String (code.c_str(), Py_file_input, 
                                    mainNamespace.ptr(), mainNamespace.ptr()));

    //

    extract <object> eef (mainNamespace["ef"]);
    assert (eef.check());

    PyObject *efObj = eef().ptr();
    assert (efObj != 0);

    extract <object> eed (mainNamespace["ed"]);
    assert (eed.check());

    PyObject *edObj = eed().ptr();
    assert (edObj != 0);

    extract <object> ei (mainNamespace["i"]);
    assert (ei.check());

    PyObject *iObj = ei().ptr();
    assert (iObj != 0);

    //
    
    std::cerr << "Testing Eulerf:\n";

    IMATH_NAMESPACE::Eulerf efAsEf;
    assert (PyImath::Eulerf::convert (efObj, &efAsEf) == 1);
    IMATH_NAMESPACE::Eulerf eff (IMATH_NAMESPACE::V3f (1.1f, 2.2f, 3.3f), IMATH_NAMESPACE::Eulerf::XZY);
    assert (efAsEf.order() == eff.order());
    assert (efAsEf.toMatrix44().equalWithAbsError (eff.toMatrix44(), 1e-7));