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move some grobner settings to pdd_solver.m_config

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2020-01-10 11:06:01 -08:00
parent bb6511b425
commit 00e1049ff2
6 changed files with 35 additions and 16 deletions
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17
src/math/grobner/pdd_solver.cpp
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@ -70,17 +70,18 @@ namespace dd {
}
void solver::set_thresholds(unsigned eqs_growth, unsigned expr_size_growth, unsigned expr_degree_growth) {
void solver::adjust_cfg() {
auto & cfg = m_config;
IF_VERBOSE(3, verbose_stream() << "start saturate\n"; display_statistics(verbose_stream()));
m_config.m_eqs_threshold = static_cast<unsigned>(eqs_growth * ceil(log(1 + m_to_simplify.size()))* m_to_simplify.size());
m_config.m_expr_size_limit = 0;
m_config.m_expr_degree_limit = 0;
cfg.m_eqs_threshold = static_cast<unsigned>(cfg.m_eqs_growth * ceil(log(1 + m_to_simplify.size()))* m_to_simplify.size());
cfg.m_expr_size_limit = 0;
cfg.m_expr_degree_limit = 0;
for (equation* e: m_to_simplify) {
m_config.m_expr_size_limit = std::max(m_config.m_expr_size_limit, (unsigned)e->poly().tree_size());
m_config.m_expr_degree_limit = std::max(m_config.m_expr_degree_limit, e->poly().degree());
cfg.m_expr_size_limit = std::max(cfg.m_expr_size_limit, (unsigned)e->poly().tree_size());
cfg.m_expr_degree_limit = std::max(cfg.m_expr_degree_limit, e->poly().degree());
}
m_config.m_expr_size_limit *= expr_size_growth;
m_config.m_expr_degree_limit *= expr_degree_growth;;
cfg.m_expr_size_limit *= cfg.m_expr_size_growth;
cfg.m_expr_degree_limit *= cfg.m_expr_degree_growth;;
IF_VERBOSE(3, verbose_stream() << "set m_config.m_eqs_threshold to 10 * " << 10 * ceil(log(m_to_simplify.size())) << "* " << m_to_simplify.size() << " = " << m_config.m_eqs_threshold << "\n";
verbose_stream() << "set m_config.m_expr_size_limit to " << m_config.m_expr_size_limit << "\n";