tests for ApproxEq ULPs

This commit is contained in:
Mike Dilger 2015-01-01 10:41:15 +13:00
parent 122c95f2b4
commit 64130dfb2f

View File

@ -33,3 +33,36 @@ fn assert_approx_eq_eps_f32() {
fn assert_approx_eq_eps_f64_fail() { fn assert_approx_eq_eps_f64_fail() {
assert_approx_eq_eps!(1.0f64, 1.1, 0.05); assert_approx_eq_eps!(1.0f64, 1.1, 0.05);
} }
#[test]
fn assert_approx_eq_ulps_f32() {
let x = 1000000_f32;
let y = 1000000.1_f32;
assert!(x != y);
assert_approx_eq_ulps!(x, y, 3);
}
#[test]
#[should_fail]
fn assert_approx_eq_ulps_f32_fail() {
let x = 1000000_f32;
let y = 1000000.1_f32;
assert_approx_eq_ulps!(x, y, 2);
}
#[test]
fn assert_approx_eq_ulps_f64() {
let x = 1000000_f64;
let y = 1000000.0000000003_f64;
assert!(x != y);
assert_approx_eq_ulps!(x, y, 4);
}
#[test]
#[should_fail]
fn assert_approx_eq_ulps_f64_fail() {
let x = 1000000_f64;
let y = 1000000.0000000003_f64;
assert!(x != y);
assert_approx_eq_ulps!(x, y, 3);
}