absolute method
Absolute sets v to |u|, and returns v.
Implementation
void absolute(Element u) {
select(Element.feZero()..negate(u), u, u.isNegative());
}
Absolute sets v to |u|, and returns v.
void absolute(Element u) {
select(Element.feZero()..negate(u), u, u.isNegative());
}