Rust f32

// Explicit type annotation
let a: f32 = 3.14;

// Type suffix
let b = 3.14f32;

// Type suffix with an underscore for readability
let c = 3.14_f32;

// Scientific notation
let d = 2.5e-3_f32; // 0.0025

let max_val = f32::MAX; // 3.40282347e+38
let min_val = f32::MIN; // -3.40282347e+38
let epsilon = f32::EPSILON; // 1.19209290e-07 (Machine epsilon)

let not_a_number = f32::NAN;
let positive_infinity = f32::INFINITY;
let negative_infinity = f32::NEG_INFINITY;

// Checking states
assert!(not_a_number.is_nan());
assert!(positive_infinity.is_infinite());

let x = f32::NAN;
assert_eq!(x == x, false); // NaN is never equal to NaN

let int_val: i32 = 100;
let float_val: f32 = int_val as f32;

let float_trunc: f32 = 3.99;
let int_trunc: i32 = float_trunc as i32; // Truncates towards zero (results in 3)