mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-04-27 19:05:51 +00:00
Code Activity

rename in lar_solver and memory corruption bug in cheap_eq

Browse source 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2020-06-05 16:08:49 -07:00
parent 4936ace7cd
commit 6a678fd5be
5 changed files with 28 additions and 86 deletions
Download patch file Download diff file Expand all files Collapse all files

16
src/math/lp/lar_solver.cpp
View file

@ -157,13 +157,17 @@ void lar_solver::substitute_basis_var_in_terms_for_row(unsigned i) {
}
}
unsigned lar_solver::adjust_column_index_to_term_index(unsigned j) const {
// Returns the column index without changes,
// but in the case the column was created as
// the slack variable to a term return the term index.
// It is the same index that was returned by add_var(), or
// by add_term()
unsigned lar_solver::column_to_reported_index(unsigned j) const {
SASSERT(j < m_var_register.size());
if (!tv::is_term(j)) {
unsigned ext_var_or_term = m_var_register.local_to_external(j);
j = !tv::is_term(ext_var_or_term) ? j : ext_var_or_term;
} else {
UNREACHABLE();
SASSERT(!tv::is_term(j));
unsigned ext_var_or_term = m_var_register.local_to_external(j);
if (tv::is_term(ext_var_or_term)) {
j = ext_var_or_term;
}
return j;
}