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add recursive updates to lookahead

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This commit is contained in:
Nikolaj Bjorner 2025-01-25 16:10:00 -08:00
parent 57cb988461
commit 7fc59b65ad
3 changed files with 156 additions and 21 deletions
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7
src/ast/sls/sls_arith_clausal.cpp
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@ -137,12 +137,11 @@ namespace sls {
if (!ineq)
return;
num_t na, nb;
flet<bool> _allow_recursive_delta(a.m_allow_recursive_delta, true);
for (auto const& [x, nl] : ineq->m_nonlinear) {
if (a.is_fixed(x))
continue;
if (a.is_add(x) || a.is_mul(x) || a.is_op(x))
;
else if (a.is_linear(x, nl, nb))
if (a.is_linear(x, nl, nb))
a.find_linear_moves(*ineq, x, nb);
else if (a.is_quadratic(x, nl, na, nb))
a.find_quadratic_moves(*ineq, x, na, nb, ineq->m_args_value);
@ -229,13 +228,13 @@ namespace sls {
return v;
}
template<typename num_t>
void arith_clausal<num_t>::lookahead(var_t v, num_t const& delta) {
if (v == m_last_var && delta == m_last_delta)
return;
if (delta == 0)
return;
m_last_var = v;
m_last_delta = delta;
if (!a.can_update_num(v, delta))