rust-clippy/tests/ui/lossy_float_literal.rs

#![warn(clippy::lossy_float_literal)]
#![allow(overflowing_literals, unused)]
#![feature(f128)]
#![feature(f16)]

fn main() {
    // Lossy whole-number float literals
    let _: f16 = 4_097.0;
    let _: f16 = 4_097.;
    let _: f16 = 4_097.000;
    let _ = 4_097f16;
    let _: f16 = -4_097.0;

    let _: f32 = 16_777_217.0;
    let _: f32 = 16_777_219.0;
    let _: f32 = 16_777_219.;
    let _: f32 = 16_777_219.000;
    let _ = 16_777_219f32;
    let _: f32 = -16_777_219.0;

    let _: f64 = 9_007_199_254_740_993.0;
    let _: f64 = 9_007_199_254_740_993.;
    let _: f64 = 9_007_199_254_740_993.00;
    let _ = 9_007_199_254_740_993f64;
    let _: f64 = -9_007_199_254_740_993.0;

    let _: f128 = 10_384_593_717_069_655_257_060_992_658_440_193.0;
    let _: f128 = 10_384_593_717_069_655_257_060_992_658_440_193.;
    let _: f128 = 10_384_593_717_069_655_257_060_992_658_440_193.00;
    let _ = 10_384_593_717_069_655_257_060_992_658_440_193f128;
    let _: f128 = -10_384_593_717_069_655_257_060_992_658_440_193.0;

    // Lossless whole number float literals
    let _: f16 = 4_096.0;
    let _: f16 = -4_096.0;

    let _: f32 = 16_777_216.0;
    let _: f32 = 16_777_218.0;
    let _: f32 = 16_777_220.0;
    let _: f32 = -16_777_216.0;
    let _: f32 = -16_777_220.0;

    let _: f64 = 16_777_217.0;
    let _: f64 = -16_777_217.0;
    let _: f64 = 9_007_199_254_740_992.0;
    let _: f64 = -9_007_199_254_740_992.0;

    let _: f128 = 9_007_199_254_740_993.0;
    let _: f128 = -9_007_199_254_740_993.0;
    let _: f128 = 10_384_593_717_069_655_257_060_992_658_440_192.0;
    let _: f128 = -10_384_593_717_069_655_257_060_992_658_440_192.0;

    // Ignored whole number float literals
    let _: f32 = 1e25;
    let _: f32 = 1E25;
    let _: f64 = 1e99;
    let _: f64 = 1E99;
    let _: f32 = 0.1;

    const INF1: f32 = 1000000000000000000000000000000000f32;
    const NEG_INF1: f32 = -340282357000000000000000000000000000001_f32;
}