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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2021-04-29 10:12:33 -07:00
parent 60972de562
commit 622b2d3b39
3 changed files with 156 additions and 88 deletions
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12
src/math/polysat/fixplex.h
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@ -146,10 +146,9 @@ namespace polysat {
var_t select_smallest_var() { return m_to_patch.empty()?null_var:m_to_patch.erase_min(); }
var_t select_error_var(bool least) { throw nullptr; }
void check_blands_rule(var_t v, unsigned& num_repeated) {}
bool make_var_feasible(var_t x_i) { return false; }
void update_and_pivot(var_t x_i, var_t x_j, numeral const& a_ij, numeral const& new_value) {}
bool make_var_feasible(var_t x_i);
void pivot(var_t x_i, var_t x_j, numeral const& b, numeral const& new_value);
void update_value(var_t v, numeral const& delta);
void pivot(var_t x_i, var_t x_j, numeral a_ij);
void move_to_bound(var_t x, bool to_lower) {}
var_t select_pivot(var_t x_i, bool is_below, scoped_numeral& out_a_ij) { throw nullptr; }
var_t select_pivot_blands(var_t x_i, bool is_below, scoped_numeral& out_a_ij) { throw nullptr; }
@ -159,11 +158,8 @@ namespace polysat {
scoped_numeral& gain, scoped_numeral& new_a_ij, bool& inc) { throw nullptr; }
void select_pivot_primal(var_t v, var_t& x_i, var_t& x_j, scoped_numeral& a_ij, bool& inc_x_i, bool& inc_x_j) {}
bool at_lower(var_t v) const { return false; }
bool at_upper(var_t v) const { return false; }
bool above_lower(var_t v) const { return false; }
bool below_upper(var_t v) const { return false; }
bool outside_bounds(var_t v) const { return false; }
numeral new_value(var_t v) const;
bool in_bounds(var_t v) const;
bool is_free(var_t v) const { return m_vars[v].m_lo == m_vars[v].m_hi; }
bool is_non_free(var_t v) const { return !is_free(v); }
bool is_base(var_t x) const { return m_vars[x].m_is_base; }