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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/tools/clippy/tests/ui/transmute_float_to_int.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/tools/clippy/tests/ui/transmute_float_to_int.rs')
-rw-r--r-- | src/tools/clippy/tests/ui/transmute_float_to_int.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/transmute_float_to_int.rs b/src/tools/clippy/tests/ui/transmute_float_to_int.rs new file mode 100644 index 000000000..806b2d77d --- /dev/null +++ b/src/tools/clippy/tests/ui/transmute_float_to_int.rs @@ -0,0 +1,25 @@ +#![warn(clippy::transmute_float_to_int)] + +fn float_to_int() { + let _: u32 = unsafe { std::mem::transmute(1f32) }; + let _: i32 = unsafe { std::mem::transmute(1f32) }; + let _: u64 = unsafe { std::mem::transmute(1f64) }; + let _: i64 = unsafe { std::mem::transmute(1f64) }; + let _: u64 = unsafe { std::mem::transmute(1.0) }; + let _: u64 = unsafe { std::mem::transmute(-1.0) }; +} + +mod issue_5747 { + const VALUE32: i32 = unsafe { std::mem::transmute(1f32) }; + const VALUE64: u64 = unsafe { std::mem::transmute(1f64) }; + + const fn to_bits_32(v: f32) -> u32 { + unsafe { std::mem::transmute(v) } + } + + const fn to_bits_64(v: f64) -> i64 { + unsafe { std::mem::transmute(v) } + } +} + +fn main() {} |