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expose main interpolation routines in C++ API

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2015-12-02 07:40:06 -08:00
parent 216c1b2989
commit 6580f1daf3
1 changed files with 35 additions and 3 deletions
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38
src/api/c++/z3++.h
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@ -117,6 +117,10 @@ namespace z3 {
}
};
enum check_result {
unsat, sat, unknown
};
/**
\brief A Context manages all other Z3 objects, global configuration options, etc.
*/
@ -258,6 +262,13 @@ namespace z3 {
expr bv_val(char const * n, unsigned sz);
expr num_val(int n, sort const & s);
/**
\brief Interpolation support
*/
check_result compute_interpolant(expr const& pat, params const& p, expr_vector& interp, model& m);
expr_vector get_interpolant(expr const& proof, expr const& pat, params const& p);
};
template<typename T>
@ -1344,9 +1355,6 @@ namespace z3 {
};
inline std::ostream & operator<<(std::ostream & out, stats const & s) { out << Z3_stats_to_string(s.ctx(), s); return out; }
enum check_result {
unsat, sat, unknown
};
inline std::ostream & operator<<(std::ostream & out, check_result r) {
if (r == unsat) out << "unsat";
@ -2009,6 +2017,30 @@ namespace z3 {
d.check_error();
return expr(d.ctx(), r);
}
inline expr interpolant(expr const& a) {
return expr(a.ctx(), Z3_mk_interpolant(a.ctx(), a));
}
check_result context::compute_interpolant(expr const& pat, params const& p, expr_vector& i, model& m) {
Z3_ast_vector interp = 0;
Z3_model mdl = 0;
Z3_lbool r = Z3_compute_interpolant(*this, pat, p, &interp, &mdl);
switch (r) {
case Z3_L_FALSE:
i = expr_vector(*this, interp);
break;
case Z3_L_TRUE:
m = model(*this, mdl);
break;
case Z3_L_UNDEF:
break;
}
return to_check_result(r);
}
expr_vector context::get_interpolant(expr const& proof, expr const& pat, params const& p) {
return expr_vector(*this, Z3_get_interpolant(*this, proof, pat, p));
}
inline expr expr::substitute(expr_vector const& src, expr_vector const& dst) {
assert(src.size() == dst.size());