def goto(self, x, y=None):
        if y is None:
            self._goto(Vec2D(*x))
        else:
            self._goto(Vec2D(x, y))
Test that the cost function works with float64
dataset/ETHPy150Open amrdraz/kodr/app/brython/www/src/Lib/site-packages/turtle.py/TNavigator.goto--crossover with--dataset/ETHPy150Open lisa-lab/pylearn2/pylearn2/costs/tests/test_term_1_0_l1_penalty.py/test_correctness