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fix for issue #109

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This commit is contained in:
Ken McMillan 2015-05-27 16:05:40 -07:00
parent 534271db08
commit 3d2ef8bb4a
3 changed files with 63 additions and 1 deletions
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24
src/interp/iz3mgr.cpp
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@ -616,6 +616,30 @@ void iz3mgr::get_assign_bounds_coeffs(const ast &proof, std::vector<rational>& r
extract_lcd(rats);
}
void iz3mgr::get_gomory_cut_coeffs(const ast &proof, std::vector<ast>& coeffs){
std::vector<rational> rats;
get_gomory_cut_coeffs(proof,rats);
coeffs.resize(rats.size());
for(unsigned i = 0; i < rats.size(); i++){
coeffs[i] = make_int(rats[i]);
}
}
void iz3mgr::get_gomory_cut_coeffs(const ast &proof, std::vector<rational>& rats){
symb s = sym(proof);
int numps = s->get_num_parameters();
rats.resize(numps-2);
for(int i = 2; i < numps; i++){
rational r;
bool ok = s->get_parameter(i).is_rational(r);
if(!ok)
throw "Bad Farkas coefficient";
rats[i-2] = r;
}
abs_rat(rats);
extract_lcd(rats);
}
void iz3mgr::get_assign_bounds_rule_coeffs(const ast &proof, std::vector<ast>& coeffs){
std::vector<rational> rats;
get_assign_bounds_rule_coeffs(proof,rats);