Angle between hands of a clock

#[test]
fn t1() {
    let start = std::time::Instant::now();
    let val = Solution::angle_clock(12, 30);
    let expected = 165.0;
    let pass = (val - expected).abs() < 1e-5;
    log_result!(pass, "t1", start, &expected, &val);
    assert!(pass);
}

#[test]
fn t2() {
    let start = std::time::Instant::now();
    let val = Solution::angle_clock(3, 30);
    let expected = 75.0;
    let pass = (val - expected).abs() < 1e-5;
    log_result!(pass, "t2", start, &expected, &val);
    assert!(pass);
}

#[test]
fn t3() {
    let start = std::time::Instant::now();
    let val = Solution::angle_clock(3, 15);
    let expected = 7.5;
    let pass = (val - expected).abs() < 1e-5;
    log_result!(pass, "t3", start, &expected, &val);
    assert!(pass);
}

#[test]
fn t4() {
    let start = std::time::Instant::now();
    let val = Solution::angle_clock(12, 0);
    let expected = 0.0;
    let pass = (val - expected).abs() < 1e-5;
    log_result!(pass, "t4", start, &expected, &val);
    assert!(pass);
}

#[test]
fn t5() {
    let start = std::time::Instant::now();
    let val = Solution::angle_clock(6, 0);
    let expected = 180.0;
    let pass = (val - expected).abs() < 1e-5;
    log_result!(pass, "t5", start, &expected, &val);
    assert!(pass);
}