Function math::round::half_down [−] [src]

pub fn half_down(value: f64, scale: u8) -> f64

Round half down.

Round value to scale number of decimal digits rounding half down.

Arguments

  • value - value to round
  • scale - number of decimal digits

Example

use math::round;

let rounded = round::half_down(3.14159, 3);
assert_eq!(rounded, 3.141);