// Num returns the numerator of z; it may be <= 0. The result is a
// copy of z's numerator; it won't change if a new value is assigned
// to z, and vice versa. The sign of the numerator corresponds to the
// sign of z.
//
// NB In math/big this is a reference to the numerator not a copy
func (z *Rat) Num() *Int {
// Return an initialised *Int so we don't initialize or finalize it by accident
z.doinit()
res := new(Int)
res.doinit()
C.mpq_get_num(&res.i[0], &z.i[0])
return res
}
// Num returns the numerator of x; it may be <= 0. The result is a
// copy of x's numerator; it won't change if a new value is assigned
// to x, and vice versa. The sign of the numerator corresponds to the
// sign of x.
//
// NB In math/big this is a reference to the numerator not a copy
func (x *Rat) Num() *Int {
// Return an initialised *Int so we don't initialize or finalize it by accident
x.doinit()
z := new(Int)
z.doinit()
C.mpq_get_num(&z.i[0], &x.i[0])
return z
}
func (q *Rat) Num(n *Int) *Int {
q.doinit()
n.doinit()
C.mpq_get_num(&n.i[0], &q.i[0])
return n
}