Macro russell_chk::assert_approx_eq [−][src]
macro_rules! assert_approx_eq {
($a : expr, $b : expr, $tol : expr) => { ... };
}
Expand description
Asserts that two numbers are approximately equal to each other
Input
a
– Left value
b
– Right value
tol: f64
– Error tolerance such that |a - b| < tol
Examples
Accepts small error
let a = 3.0000001;
let b = 3.0;
assert_approx_eq!(a, b, 1e-6);
Panics on different value
ⓘ
let a = 1.0;
let b = 2.0;
assert_approx_eq!(a, b, 1e-6);