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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-04-01 03:42:13 -07:00
parent d8e00bc02e
commit cc394f0fe9
5 changed files with 25 additions and 21 deletions
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19
src/math/lp/nla_core.cpp
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@ -1342,18 +1342,17 @@ bool core::var_is_used_in_a_correct_monic(lpvar j) const {
void core::update_to_refine_of_var(lpvar j) {
for (const monic & m : emons().get_use_list(j)) {
if (val(var(m)) == mul_val(m))
if (var_val(m) == mul_val(m))
m_to_refine.erase(var(m));
else
m_to_refine.insert(var(m));
}
if (is_monic_var(j)) {
const monic& m = emons()[j];
if (val(var(m)) == mul_val(m))
if (var_val(m) == mul_val(m))
m_to_refine.erase(j);
else
m_to_refine.insert(j);
m_to_refine.insert(j);
}
}
@ -1373,15 +1372,15 @@ void core::patch_monomial_with_real_var(lpvar j) {
return;
if (!var_is_int(j) &&
!var_is_used_in_a_correct_monic(j)
&& try_to_patch(j, v)) {
&& try_to_patch(j, v)
) {
m_to_refine.erase(j);
} else {
rational r = val(j) / v;
for (lpvar k: m.vars()) {
if (var_is_int(k)) continue;
if (var_is_used_in_a_correct_monic(k))
continue;
if (try_to_patch(k, r * val(k))) { // r * val(k) gives the right value of k
if (!var_is_int(k) &&
!var_is_used_in_a_correct_monic(k) &&
try_to_patch(k, r * val(k))) { // r * val(k) gives the right value of k
m_to_refine.erase(j);
break;
}
@ -1394,7 +1393,7 @@ void core::patch_monomial_with_real_var(lpvar j) {
void core::patch_monomials_with_real_vars() {
auto to_refine = m_to_refine.index();
// the rest of the function might change m_to_refine, so have to copy
// the rest of the function might change m_to_refine, so have to copy
for (lpvar j : to_refine) {
patch_monomial_with_real_var(j);
}