54 lines
1.8 KiB
Rust
54 lines
1.8 KiB
Rust
#![warn(clippy::transmute_float_to_int)]
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#![allow(clippy::missing_transmute_annotations)]
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#![feature(f128, f128_const)]
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#![feature(f16, f16_const)]
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fn float_to_int() {
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let _: u32 = unsafe { 1f32.to_bits() };
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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 { 1f32.to_bits() as i32 };
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//~^ ERROR: transmute from a `f32` to a `i32`
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let _: u64 = unsafe { 1f64.to_bits() };
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//~^ ERROR: transmute from a `f64` to a `u64`
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let _: i64 = unsafe { 1f64.to_bits() as i64 };
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//~^ ERROR: transmute from a `f64` to a `i64`
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let _: u64 = unsafe { 1.0f64.to_bits() };
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//~^ ERROR: transmute from a `f64` to a `u64`
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let _: u64 = unsafe { (-1.0f64).to_bits() };
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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 VALUE16: i16 = unsafe { 1f16.to_bits() as i16 };
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//~^ ERROR: transmute from a `f16` to a `i16`
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const VALUE32: i32 = unsafe { 1f32.to_bits() as i32 };
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//~^ ERROR: transmute from a `f32` to a `i32`
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const VALUE64: u64 = unsafe { 1f64.to_bits() };
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//~^ ERROR: transmute from a `f64` to a `u64`
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const VALUE128: u128 = unsafe { 1f128.to_bits() };
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//~^ ERROR: transmute from a `f128` to a `u128`
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const fn to_bits_16(v: f16) -> u16 {
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unsafe { v.to_bits() }
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//~^ ERROR: transmute from a `f16` to a `u16`
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}
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const fn to_bits_32(v: f32) -> u32 {
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unsafe { v.to_bits() }
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//~^ ERROR: transmute from a `f32` to a `u32`
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}
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const fn to_bits_64(v: f64) -> i64 {
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unsafe { v.to_bits() as i64 }
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//~^ ERROR: transmute from a `f64` to a `i64`
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}
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const fn to_bits_128(v: f128) -> i128 {
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unsafe { v.to_bits() as i128 }
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//~^ ERROR: transmute from a `f128` to a `i128`
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}
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}
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fn main() {}
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