Question

How to round a floating point number and remove digits after decimal point in Rust

Answer 1

fn main() {
    let x: f32 = 4.311;
    let y: f32 = 6.500;
    let z: f32 = 9.811;

    println!("{}", x.trunc());
    println!("{}", y.trunc());
    println!("{}", z.trunc());

    let x: f32 = -4.311;
    let y: f32 = -6.500;
    let z: f32 = -9.811;

    println!("{}", x.trunc());
    println!("{}", y.trunc());
    println!("{}", z.trunc());
}


  
/*
run:

4
6
9
-4
-6
-9

*/

 

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