// Int promises that the zero value is a 0, but in gmp
// the zero value is a crash. To bridge the gap, the
// init bool says whether this is a valid gmp value.
// doinit initializes z.i if it needs it. This is not inherent
// to FFI, just a mismatch between Go's convention of
// making zero values useful and gmp's decision not to.
func (q *Rat) doinit() {
if q.init {
return
}
q.init = true
C.mpq_init(&q.i[0])
}
// Rat promises that the zero value is a 0, but in gmp
// the zero value is a crash. To bridge the gap, the
// init bool says whether this is a valid gmp value.
// doinit initializes z.i if it needs it.
func (z *Rat) doinit() {
if z.init {
return
}
z.init = true
C.mpq_init(&z.i[0])
runtime.SetFinalizer(z, ratFinalize)
}