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looking for more farkas rules in interpolation

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Ken McMillan 2013-11-07 15:40:44 -08:00
parent d9c69f5294
commit cf176af48e
2 changed files with 13 additions and 0 deletions
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5
src/interp/iz3mgr.cpp
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@ -489,11 +489,15 @@ void iz3mgr::get_farkas_coeffs(const ast &proof, std::vector<rational>& rats){
symb s = sym(proof);
int numps = s->get_num_parameters();
rats.resize(numps-2);
if(num_prems(proof) < numps-2){
std::cout << "bad farkas rule: " << num_prems(proof) << " premises should be " << numps-2 << "\n";
}
for(int i = 2; i < numps; i++){
rational r;
bool ok = s->get_parameter(i).is_rational(r);
if(!ok)
throw "Bad Farkas coefficient";
#if 0
{
ast con = conc(prem(proof,i-2));
ast temp = make_real(r); // for debugging
@ -501,6 +505,7 @@ void iz3mgr::get_farkas_coeffs(const ast &proof, std::vector<rational>& rats){
if(is_not(con) ? (o == Leq || o == Lt) : (o == Geq || o == Gt))
r = -r;
}
#endif
rats[i-2] = r;
}
#if 0