void bvisit(const Add &x)
{
RCP<const Basic> curr_num = zero;
RCP<const Basic> curr_den = one;
RCP<const Basic> arg_num, arg_den, den_mul, divx;
RCP<const Basic> divx_num, divx_den;
for (const auto &arg : x.get_args()) {
// TODO: This is naive and slow. Fix it
as_numer_denom(arg, outArg(arg_num), outArg(arg_den));
divx = div(arg_den, curr_den);
as_numer_denom(divx, outArg(divx_num), outArg(divx_den));
if (eq(*divx_den, *one)) {
// the curr_den completely divides the arg_den
curr_den = arg_den;
curr_num = add(mul(curr_num, divx), arg_num);
continue;
}
divx = div(curr_den, arg_den);
as_numer_denom(divx, outArg(divx_num), outArg(divx_den));
// the below two lines, cover the general case, as well as the case
// where arg_den completely divides curr_den
curr_den = mul(curr_den, divx_den);
curr_num = add(mul(curr_num, divx_den), mul(arg_num, divx_num));
}
*numer_ = curr_num;
*denom_ = curr_den;
}
void bvisit(const Add &x) {
mpfr_class t(mpfr_get_prec(result_));
auto d = x.get_args();
auto p = d.begin();
apply(result_, *(*p));
p++;
for (; p != d.end(); p++) {
apply(t.get_mpfr_t(), *(*p));
mpfr_add(result_, result_, t.get_mpfr_t(), rnd_);
}
}