use super::*;
#[test]
fn small_increments() {
let values = vec![1e-10_f64; 1_000_000];
let naive: f64 = values.iter().copied().sum();
let expected = 1e-4;
let mut adder = FloatAdder::default();
for value in values {
adder += value;
}
let result = f64::from(adder);
let naive_error = (expected - naive).abs();
let adder_error = (expected - result).abs();
assert!(adder_error < naive_error);
}