Distance() private method

private Distance ( double a, double b ) : double
a double
b double
return double
        public static void value_value_distance() {
            var op = new PeriodicOperations(-180, 360);

            Assert.Equal(10, op.Distance(50, 60));
            Assert.Equal(10, op.Distance(60, 50));
            Assert.Equal(20, op.Distance(170, -170));
            Assert.Equal(20, op.Distance(-170, 170));
        }
        public static void determine_range_value_distance() {
            var op = new PeriodicOperations(0, 5);

            Assert.Equal(0, op.Distance(0, 2, 0));
            Assert.Equal(0, op.Distance(0, 2, 1));
            Assert.Equal(0, op.Distance(0, 2, 2));
            Assert.Equal(0, op.Distance(0, 2, 5));
            Assert.Equal(0, op.Distance(0, 1, 0));
            Assert.Equal(0, op.Distance(0, 1, 1));
            Assert.Equal(1, op.Distance(0, 1, 2));
            Assert.Equal(0, op.Distance(0, 1, 5));
            Assert.Equal(1, op.Distance(1, 3, 0));
            Assert.Equal(0, op.Distance(1, 3, 2));
            Assert.Equal(1, op.Distance(1, 3, 4));
            Assert.Equal(0, op.Distance(2, 0, 0));
            Assert.Equal(1, op.Distance(2, 0, 1));
            Assert.Equal(0, op.Distance(2, 0, 2));
            Assert.Equal(0, op.Distance(2, 0, 5));
            Assert.Equal(0, op.Distance(1, 0, 0));
            Assert.Equal(0, op.Distance(1, 0, 1));
            Assert.Equal(0, op.Distance(1, 0, 2));
            Assert.Equal(0, op.Distance(1, 0, 5));
            Assert.Equal(0, op.Distance(3, 1, 0));
            Assert.Equal(1, op.Distance(3, 1, 2));
            Assert.Equal(0, op.Distance(3, 1, 4));
        }