// Int64 returns the int64 representation of x.
// If x cannot be represented in an int64, the result is undefined.
func (x *Int) Int64() (y int64) {
if !x.init {
return
}
if C.mpz_fits_slong_p(&x.i[0]) != 0 {
return int64(C.mpz_get_si(&x.i[0]))
}
// Undefined result if > 64 bits
if x.BitLen() > 64 {
return
}
C.mpz_export(unsafe.Pointer(&y), nil, -1, 8, 0, 0, &x.i[0])
if x.Sign() < 0 {
y = -y
}
return
}
func (z *Int) Int64() int64 {
if !z.init {
return 0
}
return int64(C.mpz_get_si(&z.i[0]))
}
// Int32 returns the int32 representation of z, if z fits into a signed int32.
// If z is too big to fit in a int32 then the result is undefined.
//
// NB This is not part of big.Int
func (z *Int) Int32() int32 {
z.doinit()
return int32(C.mpz_get_si(&z.i[0]))
}
func (z *Int) Sint() int {
if !z.init {
return 0
}
return int(C.mpz_get_si(&z.i[0]))
}
// Int64 returns the int64 representation of x. If x cannot be represented
// in an int64, the result is undefined.
func (z *Int) Int64() int64 {
if !z.init {
return 0
}
return int64(C.mpz_get_si(z.ptr))
}