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| author | Trevor Gross <tmgross@umich.edu> | 2025-05-02 00:46:21 +0000 |
|---|---|---|
| committer | Trevor Gross <t.gross35@gmail.com> | 2025-05-01 21:24:34 -0400 |
| commit | 1c5f8cc72df4b82f2265737c9e86a4e4365cae8c (patch) | |
| tree | 116ed4f2538813fc11b5a1ff8ec102ad7ea215ea | |
| parent | 4c2659f9cee7829bea317d5c6f575a7f4fb13628 (diff) | |
| download | rust-1c5f8cc72df4b82f2265737c9e86a4e4365cae8c.tar.gz rust-1c5f8cc72df4b82f2265737c9e86a4e4365cae8c.zip | |
fmaf: Add a test case from a MinGW failure
This is a known problem in the MinGW fmaf implementation, identified at [1]. Make sure our implementation passes this edge case. [1]: https://github.com/rust-lang/rust/issues/140515
| -rw-r--r-- | library/compiler-builtins/libm-test/src/generate/case_list.rs | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/library/compiler-builtins/libm-test/src/generate/case_list.rs b/library/compiler-builtins/libm-test/src/generate/case_list.rs index f1e6fcec397..43b28722f2d 100644 --- a/library/compiler-builtins/libm-test/src/generate/case_list.rs +++ b/library/compiler-builtins/libm-test/src/generate/case_list.rs @@ -269,7 +269,18 @@ fn fma_cases() -> Vec<TestCase<op::fma::Routine>> { } fn fmaf_cases() -> Vec<TestCase<op::fmaf::Routine>> { - vec![] + let mut v = vec![]; + TestCase::append_pairs( + &mut v, + &[ + // Known rounding error for some implementations (notably MinGW) + ( + (-1.9369631e13f32, 2.1513551e-7, -1.7354427e-24), + Some(-4167095.8), + ), + ], + ); + v } #[cfg(f128_enabled)] |