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merging interpolation and duality changes into unstable

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This commit is contained in:
Ken McMillan 2014-02-19 15:36:16 -08:00
commit 75bb495585
9 changed files with 420 additions and 82 deletions
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23
src/interp/iz3mgr.cpp Normal file → Executable file
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@ -249,6 +249,9 @@ iz3mgr::ast iz3mgr::clone(const ast &t, const std::vector<ast> &_args){
void iz3mgr::show(ast t){
if(t.null()){
std::cout << "(null)" << std::endl;
}
params_ref p;
p.set_bool("flat_assoc",false);
std::cout << mk_pp(t.raw(), m(), p) << std::endl;
@ -693,10 +696,13 @@ void iz3mgr::linear_comb(ast &P, const ast &c, const ast &Q, bool round_off){
throw "not an inequality";
}
}
Qrhs = make(Times,c,Qrhs);
bool pstrict = op(P) == Lt, strict = pstrict || qstrict;
if(pstrict && qstrict && round_off)
bool pstrict = op(P) == Lt;
if(qstrict && round_off && (pstrict || !(c == make_int(rational(1))))){
Qrhs = make(Sub,Qrhs,make_int(rational(1)));
qstrict = false;
}
Qrhs = make(Times,c,Qrhs);
bool strict = pstrict || qstrict;
if(strict)
P = make(Lt,arg(P,0),make(Plus,arg(P,1),Qrhs));
else
@ -881,3 +887,14 @@ iz3mgr::ast iz3mgr::apply_quant(opr quantifier, ast var, ast e){
std::vector<ast> bvs; bvs.push_back(var);
return make_quant(quantifier,bvs,e);
}
#if 0
void iz3mgr::get_bound_substitutes(stl_ext::hash_map<ast,bool> &memo, const ast &e, const ast &var, std::vector<ast> &substs){
std::pair<ast,bool> foo(e,false);
std::pair<hash_map<ast,bool>::iterator,bool> bar = memo.insert(foo);
if(bar.second){
if(op(e) ==
}
}
#endif