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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
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Leonardo de Moura 2012-10-21 22:16:58 -07:00
parent 142bf71b35
commit 9359ab7ce5
124 changed files with 2 additions and 0 deletions
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src/test/nlarith_util.cpp Normal file
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#include "nlarith_util.h"
#include "arith_decl_plugin.h"
#include "ast_pp.h"
void tst_nlarith_util() {
ast_manager M;
M.register_decl_plugins();
arith_util A(M);
sort_ref R(A.mk_real(), M);
app_ref one(A.mk_numeral(rational(1), false), M);
app_ref two(A.mk_numeral(rational(2), false), M);
app_ref ten(A.mk_numeral(rational(10), false), M);
app_ref x(M.mk_const(symbol("x"), R), M);
app_ref y(M.mk_const(symbol("y"), R), M);
app_ref z(M.mk_const(symbol("z"), R), M);
expr_ref p1(A.mk_le(A.mk_add(A.mk_mul(x,x,y), y), one), M);
expr_ref p2(A.mk_le(A.mk_add(A.mk_mul(x,x,y), z), one), M);
enable_trace("nlarith");
nlarith::util u(M);
nlarith::branch_conditions bc(M);
expr_ref_vector preds(M), branches(M);
vector<expr_ref_vector> substs;
expr* lits[2] = { p1.get(), p2.get() };
if (!u.create_branches(x.get(), 2, lits, bc)) {
std::cout << "Failed to create branches\n";
return;
}
for (unsigned i = 0; i < preds.size(); ++i) {
std::cout << "Pred: " << mk_pp(preds[i].get(), M) << "\n";
}
for (unsigned i = 0; i < branches.size(); ++i) {
std::cout << "Branch:\n" << mk_pp(branches[i].get(), M) << "\n";
for (unsigned j = 0; j < substs[i].size(); ++j) {
std::cout << mk_pp(preds[j].get(), M) << " |-> "
<< mk_pp(substs[i][j].get(), M) << "\n";
}
}
}