public void Test_S1IntervalTestBase_Project()
{
S1Interval r = new(-Math.PI, -Math.PI);
Assert.Equal(Math.PI, r.Project(-Math.PI));
Assert.Equal(Math.PI, r.Project(0));
r = new S1Interval(0, Math.PI);
Assert.Equal(0.1, r.Project(0.1));
Assert.Equal(0, r.Project(-S2.M_PI_2 + S2.DoubleError));
Assert.Equal(Math.PI, r.Project(-S2.M_PI_2 - S2.DoubleError));
r = new S1Interval(Math.PI - 0.1, -Math.PI + 0.1);
Assert.Equal(Math.PI, r.Project(Math.PI));
Assert.Equal(Math.PI - 0.1, r.Project(S2.DoubleError));
Assert.Equal(-Math.PI + 0.1, r.Project(-S2.DoubleError));
Assert.Equal(0, S1Interval.Full.Project(0));
Assert.Equal(Math.PI, S1Interval.Full.Project(Math.PI));
Assert.Equal(Math.PI, S1Interval.Full.Project(-Math.PI));
}