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add facility to solve for a linear term over API

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This commit is contained in:
Nikolaj Bjorner 2024-11-30 09:34:27 -08:00
parent d2411567b5
commit 05e053247d
14 changed files with 109 additions and 6 deletions
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6
src/math/lp/lar_solver.h
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@ -346,6 +346,12 @@ public:
void set_value_for_nbasic_column(unsigned j, const impq& new_val);
void remove_fixed_vars_from_base();
/**
* \brief set j to basic (if not already basic)
* return the rest of the row as t comprising of non-fixed variables and coeff as sum of fixed variables.
* return false if j has no rows.
*/
bool solve_for(unsigned j, lar_term& t, mpq& coeff);
inline unsigned get_base_column_in_row(unsigned row_index) const {
return m_mpq_lar_core_solver.m_r_solver.get_base_column_in_row(row_index);