33 lines
1.1 KiB
Rust
33 lines
1.1 KiB
Rust
#![warn(clippy::transmute_float_to_int)]
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fn float_to_int() {
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let _: u32 = unsafe { std::mem::transmute(1f32) };
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//~^ ERROR: transmute from a `f32` to a `u32`
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//~| NOTE: `-D clippy::transmute-float-to-int` implied by `-D warnings`
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let _: i32 = unsafe { std::mem::transmute(1f32) };
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//~^ ERROR: transmute from a `f32` to a `i32`
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let _: u64 = unsafe { std::mem::transmute(1f64) };
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//~^ ERROR: transmute from a `f64` to a `u64`
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let _: i64 = unsafe { std::mem::transmute(1f64) };
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//~^ ERROR: transmute from a `f64` to a `i64`
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let _: u64 = unsafe { std::mem::transmute(1.0) };
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//~^ ERROR: transmute from a `f64` to a `u64`
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let _: u64 = unsafe { std::mem::transmute(-1.0) };
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//~^ ERROR: transmute from a `f64` to a `u64`
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}
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mod issue_5747 {
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const VALUE32: i32 = unsafe { std::mem::transmute(1f32) };
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const VALUE64: u64 = unsafe { std::mem::transmute(1f64) };
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const fn to_bits_32(v: f32) -> u32 {
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unsafe { std::mem::transmute(v) }
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}
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const fn to_bits_64(v: f64) -> i64 {
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unsafe { std::mem::transmute(v) }
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}
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}
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fn main() {}
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