cf_t corr_sz(cf_t *z, cf_t *s) {
cf_t sum;
cf_t zsprod[32];
vec_dot_prod(z, s, zsprod, N_SSS - 1);
sum = sum_c(zsprod, N_SSS - 1);
return sum;
}
subpaving::var process_add(app * t, unsigned depth, mpz & n, mpz & d) {
unsigned num_args = t->get_num_args();
mpz_buffer ns(qm()), ds(qm());
var_buffer xs;
scoped_mpq c(qm()), c_arg(qm());
scoped_mpz n_arg(qm()), d_arg(qm());
for (unsigned i = 0; i < num_args; i++) {
expr * arg = t->get_arg(i);
subpaving::var x_arg = process(arg, depth+1, n_arg, d_arg);
if (x_arg == subpaving::null_var) {
qm().set(c_arg, n_arg, d_arg);
qm().add(c, c_arg, c);
}
else {
xs.push_back(x_arg);
ns.push_back(n_arg);
ds.push_back(d_arg);
}
}
qm().set(d, c.get().denominator());
unsigned sz = xs.size();
for (unsigned i = 0; i < sz; i++) {
qm().lcm(d, ds[i], d);
}
scoped_mpz & k = d_arg;
qm().div(d, c.get().denominator(), k);
scoped_mpz sum_c(qm());
qm().mul(c.get().numerator(), k, sum_c);
for (unsigned i = 0; i < sz; i++) {
qm().div(d, ds[i], k);
qm().mul(ns[i], k, ns[i]);
}
subpaving::var x;
if (sz == 0) {
qm().set(n, sum_c);
x = subpaving::null_var;
}
else {
x = s().mk_sum(sum_c, sz, ns.c_ptr(), xs.c_ptr());
qm().set(n, 1);
}
cache_result(t, x, n, d);
return x;
}
