/*
* call-seq:
* int.gcdlcm(int2) -> array
*
* Returns an array; [int.gcd(int2), int.lcm(int2)].
*
* For example:
*
* 2.gcdlcm(2) #=> [2, 2]
* 3.gcdlcm(-7) #=> [1, 21]
* ((1<<31)-1).gcdlcm((1<<61)-1) #=> [1, 4951760154835678088235319297]
*/
VALUE
rb_gcdlcm(VALUE self, SEL sel, VALUE other)
{
other = nurat_int_value(other);
return rb_assoc_new(f_gcd(self, other), f_lcm(self, other));
}
VALUE
rb_gcdlcm(VALUE self, VALUE other)
{
nurat_int_check(other);
return rb_assoc_new(f_gcd(self, other), f_lcm(self, other));
}
/*
* call-seq:
* int.lcm(int2) -> integer
*
* Returns the least common multiple (always positive). 0.lcm(x) and
* x.lcm(0) return zero.
*
* For example:
*
* 2.lcm(2) #=> 2
* 3.lcm(-7) #=> 21
* ((1<<31)-1).lcm((1<<61)-1) #=> 4951760154835678088235319297
*/
VALUE
rb_lcm(VALUE self, SEL sel, VALUE other)
{
other = nurat_int_value(other);
return f_lcm(self, other);
}
VALUE
rb_lcm(VALUE self, VALUE other)
{
nurat_int_check(other);
return f_lcm(self, other);
}
