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Lcube (#9858)

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Implemented the largest cube heuristic from Bromberger and Weidenbach's
paper on cubes. Also fixes an overflow bug in mzp.
Use vswhere to find the visual studio version on windows in the build's ymls.
---------

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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Lev Nachmanson 2026-06-14 16:25:21 -07:00 • committed by GitHub
parent 4bf4fbd48c
commit f508854fe5
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GPG key ID: B5690EEEBB952194
18 changed files with 620 additions and 24 deletions
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7
src/math/lp/lar_solver.cpp
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@ -864,7 +864,7 @@ namespace lp {
}
lp_status lar_solver::maximize_term(unsigned j,
impq& term_max) {
impq& term_max, bool fix_int_cols) {
TRACE(lar_solver, print_values(tout););
SASSERT(get_core_solver().m_r_solver.calc_current_x_is_feasible_include_non_basis());
lar_term term = get_term_to_maximize(j);
@ -879,6 +879,11 @@ namespace lp {
return lp_status::UNBOUNDED;
}
if (!fix_int_cols) {
set_status(lp_status::OPTIMAL);
return lp_status::OPTIMAL;
}
impq opt_val = term_max;
bool change = false;