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change try_patch to a template

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2020-05-26 14:29:58 -07:00
parent 18016a7100
commit 2710afbea1
3 changed files with 54 additions and 18 deletions
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32
src/math/lp/nla_core.cpp
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@ -1308,7 +1308,8 @@ bool core::patch_blocker(lpvar u, const monic& m) const {
bool core::try_to_patch(lpvar k, const rational& v, const monic & m) {
auto blocker = [this, k, m](lpvar u) { return u != k && patch_blocker(u, m); };
auto change_report = [this](lpvar u) { update_to_refine_of_var(u); };
return m_lar_solver.try_to_patch(k, v, blocker, change_report);
return m_lar_solver.try_to_patch<std::function<bool(lpvar)>,
std::function<void(lpvar)>>(k, v, blocker, change_report);
}
bool in_power(const svector<lpvar>& vs, unsigned l) {
@ -1341,8 +1342,6 @@ void core::patch_monomial(lpvar j) {
erase_from_to_refine(j);
return;
}
if (val(j).is_zero() || v.is_zero()) // a lemma will catch it
return;
if (!var_breaks_correct_monic(j) && try_to_patch(j, v, m)) {
SASSERT(to_refine_is_correct());
@ -1364,19 +1363,22 @@ void core::patch_monomial(lpvar j) {
}
// We have v != abc. Let us suppose we patch b. Then b should
// be equal to v/ac = v/(abc/b) = b(v/abc)
rational r = val(j) / v;
SASSERT(m.is_sorted());
for (unsigned l = 0; l < m.size(); l++) {
lpvar k = m.vars()[l];
if (!in_power(m.vars(), l) &&
!var_is_int(k) &&
!var_breaks_correct_monic(k) &&
try_to_patch(k, r * val(k), m)) { // r * val(k) gives the right value of k
SASSERT(mul_val(m) == var_val(m));
erase_from_to_refine(j);
break;
if (!v.is_zero()) {
rational r = val(j) / v;
SASSERT(m.is_sorted());
for (unsigned l = 0; l < m.size(); l++) {
lpvar k = m.vars()[l];
if (!in_power(m.vars(), l) &&
!var_is_int(k) &&
!var_breaks_correct_monic(k) &&
try_to_patch(k, r * val(k), m)) { // r * val(k) gives the right value of k
SASSERT(mul_val(m) == var_val(m));
erase_from_to_refine(j);
break;
}
}
}
}
}
void core::patch_monomials() {