pub fn normalize4(&mut self) {
while !self.coefficients.is_empty() && self.coefficients.last().unwrap().is_zero() {
self.coefficients.pop();
}
}
pub fn normalize1(&mut self) {
let mut remove = true;
while remove {
remove = match self.coefficients.last() {
None => false,
Some(i) => i.is_zero(),
};
if remove {
self.coefficients.pop();
}
}
}
pub fn normalize2(&mut self) {
loop {
match self.coefficients.last() {
None => {
break;
}
Some(i) => {
if i.is_zero() {
self.coefficients.pop();
} else {
break;
}
}
}
}
}
pub fn normalize3(&mut self) {
if !self.coefficients.is_empty() && self.coefficients.last().unwrap().is_zero() {
self.coefficients.pop();
self.normalize()
}
}
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