diff options
Diffstat (limited to 'library/std/src/f32/tests.rs')
| -rw-r--r-- | library/std/src/f32/tests.rs | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/library/std/src/f32/tests.rs b/library/std/src/f32/tests.rs index 4ec16c84a..6ee295de6 100644 --- a/library/std/src/f32/tests.rs +++ b/library/std/src/f32/tests.rs @@ -587,6 +587,11 @@ fn test_asinh() { assert_approx_eq!((-2.0f32).asinh(), -1.443635475178810342493276740273105f32); // regression test for the catastrophic cancellation fixed in 72486 assert_approx_eq!((-3000.0f32).asinh(), -8.699514775987968673236893537700647f32); + + // test for low accuracy from issue 104548 + assert_approx_eq!(60.0f32, 60.0f32.sinh().asinh()); + // mul needed for approximate comparison to be meaningful + assert_approx_eq!(1.0f32, 1e-15f32.sinh().asinh() * 1e15f32); } #[test] @@ -602,6 +607,9 @@ fn test_acosh() { assert!(nan.acosh().is_nan()); assert_approx_eq!(2.0f32.acosh(), 1.31695789692481670862504634730796844f32); assert_approx_eq!(3.0f32.acosh(), 1.76274717403908605046521864995958461f32); + + // test for low accuracy from issue 104548 + assert_approx_eq!(60.0f32, 60.0f32.cosh().acosh()); } #[test] |