diff options
Diffstat (limited to 'library/std/src/f64')
| -rw-r--r-- | library/std/src/f64/tests.rs | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/library/std/src/f64/tests.rs b/library/std/src/f64/tests.rs index 12baa68f4..5b039d445 100644 --- a/library/std/src/f64/tests.rs +++ b/library/std/src/f64/tests.rs @@ -575,6 +575,11 @@ fn test_asinh() { assert_approx_eq!((-2.0f64).asinh(), -1.443635475178810342493276740273105f64); // regression test for the catastrophic cancellation fixed in 72486 assert_approx_eq!((-67452098.07139316f64).asinh(), -18.72007542627454439398548429400083); + + // test for low accuracy from issue 104548 + assert_approx_eq!(60.0f64, 60.0f64.sinh().asinh()); + // mul needed for approximate comparison to be meaningful + assert_approx_eq!(1.0f64, 1e-15f64.sinh().asinh() * 1e15f64); } #[test] @@ -590,6 +595,9 @@ fn test_acosh() { assert!(nan.acosh().is_nan()); assert_approx_eq!(2.0f64.acosh(), 1.31695789692481670862504634730796844f64); assert_approx_eq!(3.0f64.acosh(), 1.76274717403908605046521864995958461f64); + + // test for low accuracy from issue 104548 + assert_approx_eq!(60.0f64, 60.0f64.cosh().acosh()); } #[test] |