f_denominator     909 complex.c          if (k_rational_p(other) && f_one_p(f_denominator(other)))
f_denominator    1185 complex.c          return rb_lcm(f_denominator(dat->real), f_denominator(dat->imag));
f_denominator    1213 complex.c          cd = f_denominator(self);
f_denominator    1216 complex.c      				f_div(cd, f_denominator(dat->real))),
f_denominator    1218 complex.c      				f_div(cd, f_denominator(dat->imag))));
f_denominator    1819 rational.c         return f_denominator(f_to_r(self));