use crate::common::round::nint;
pub(crate) fn edge_weight_by_euc2d(p: (f64, f64), q: (f64, f64)) -> u64 {
let dx = p.0 - q.0;
let dy = p.1 - q.1;
nint((dx * dx + dy * dy).sqrt())
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_nint_truncates() {
let p = (1.0, 2.0);
let q = (3.0, 5.0);
let value = edge_weight_by_euc2d(p, q);
let expected = 4;
assert_eq!(value, expected);
}
}