in src/builder.rs [160:172]
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(
f,
"ribbon({:?}): m: {}, rows: {}, rank: {}, exceptions: {}, epsilon: {}, overhead {}",
self.id,
self.m,
self.rows.len(),
self.rank,
self.exceptions.len(),
self.epsilon,
(self.rows.iter().filter(|eq| eq.is_zero()).count() as f64 / (self.rows.len() as f64))
)
}