fdiv

static VALUE
fix_fdiv(VALUE x, VALUE y)
{
    if (FIXNUM_P(y)) {
        return DBL2NUM((double)FIX2LONG(x) / (double)FIX2LONG(y));
    }
    switch (TYPE(y)) {
      case T_BIGNUM:
        return DBL2NUM((double)FIX2LONG(x) / rb_big2dbl(y));
      case T_FLOAT:
        return DBL2NUM((double)FIX2LONG(x) / RFLOAT_VALUE(y));
      default:
        return rb_num_coerce_bin(x, y, rb_intern("fdiv"));
    }
}