compiler/rustc_codegen_gcc/tests/run/float.rs

// Compiler:
//
// Run-time:
//   status: 0

fn main() {
    use std::hint::black_box;

    macro_rules! check {
        ($ty:ty, $expr:expr) => {{
            const EXPECTED: $ty = $expr;
            assert_eq!($expr, EXPECTED);
        }};
    }

    check!(i32, black_box(0.0f32) as i32);

    check!(u64, black_box(f32::NAN) as u64);
    check!(u128, black_box(f32::NAN) as u128);

    check!(i64, black_box(f64::NAN) as i64);
    check!(u64, black_box(f64::NAN) as u64);

    check!(i16, black_box(f32::MIN) as i16);
    check!(i16, black_box(f32::MAX) as i16);
}