fdiv

static VALUE
fix_fdiv(VALUE x, VALUE y)
{
    if (FIXNUM_P(y)) {
        return DBL2NUM((double)FIX2LONG(x) / (double)FIX2LONG(y));
    }
    else if (RB_TYPE_P(y, T_BIGNUM)) {
        return rb_big_fdiv(rb_int2big(FIX2LONG(x)), y);
    }
    else if (RB_TYPE_P(y, T_FLOAT)) {
        return DBL2NUM((double)FIX2LONG(x) / RFLOAT_VALUE(y));
    }
    else {
        return rb_num_coerce_bin(x, y, rb_intern("fdiv"));
    }
}