本文整理汇总了C++中params_ref::get_sym方法的典型用法代码示例。如果您正苦于以下问题：C++ params_ref::get_sym方法的具体用法？C++ params_ref::get_sym怎么用？C++ params_ref::get_sym使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类params_ref的用法示例。
在下文中一共展示了params_ref::get_sym方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: test_finite_product_relation
void test_finite_product_relation(smt_params fparams, params_ref& params) {
ast_manager m;
register_engine re;
context ctx(m, re, fparams);
ctx.updt_params(params);
dl_decl_util dl_util(m);
relation_manager & rmgr = ctx.get_rel_context()->get_rmanager();
relation_plugin & rel_plugin = *rmgr.get_relation_plugin(params.get_sym("default_relation", symbol("sparse")));
ENSURE(&rel_plugin);
finite_product_relation_plugin plg(rel_plugin, rmgr);
sort_ref byte_srt_ref(dl_util.mk_sort(symbol("BYTE"), 256), m);
relation_sort byte_srt = byte_srt_ref;
relation_signature sig2;
sig2.push_back(byte_srt);
sig2.push_back(byte_srt);
relation_signature sig3(sig2);
sig3.push_back(byte_srt);
relation_signature sig4(sig3);
sig4.push_back(byte_srt);
app_ref seven_ref(dl_util.mk_numeral(7, byte_srt), m);
app_ref nine_ref(dl_util.mk_numeral(9, byte_srt), m);
relation_element seven = seven_ref;
relation_element nine = nine_ref;
relation_fact f7(m);
f7.push_back(seven);
relation_fact f9(m);
f9.push_back(nine);
relation_fact f77(f7);
f77.push_back(seven);
relation_fact f79(f7);
f79.push_back(nine);
relation_fact f97(f9);
f97.push_back(seven);
relation_fact f99(f9);
f99.push_back(nine);
relation_fact f779(f77);
f779.push_back(nine);
relation_fact f799(f79);
f799.push_back(nine);
relation_fact f977(f97);
f977.push_back(seven);
relation_fact f7797(f779);
f7797.push_back(seven);
relation_fact f7997(f799);
f7997.push_back(seven);
bool table_cols2[] = { true, false };
bool table_cols3[] = { true, false, false };
bool table_cols4[] = { true, true, false, false };
scoped_rel<relation_base> r1 = plg.mk_empty(sig2, table_cols2);
scoped_rel<relation_base> r2 = r1->clone();
scoped_rel<relation_base> r3 = r2->clone();
ENSURE(!r1->contains_fact(f77));
r1->add_fact(f77);
ENSURE(r1->contains_fact(f77));
r2->add_fact(f79);
r3->add_fact(f99);
r2->display( std::cout << "r2 0\n");
scoped_rel<relation_base> r4 = r2->clone();
r2->display( std::cout << "r2 1\n");
r4->display( std::cout << "r4 0\n");
ENSURE(!r4->contains_fact(f77));
ENSURE(r4->contains_fact(f79));
r4->add_fact(f77);
r4->display( std::cout << "r4 1\n");
ENSURE(r4->contains_fact(f77));
ENSURE(r4->contains_fact(f79));
r4->add_fact(f99);
r4->display( std::cout << "r4 2\n");
ENSURE(r4->contains_fact(f99));
std::cout << "------ testing union ------\n";
r2->display( std::cout << "r2\n");
scoped_ptr<relation_union_fn> union_op = rmgr.mk_union_fn(*r1, *r2, r3.get());
ENSURE(union_op);
(*union_op)(*r1, *r2, r3.get());
r1->display( std::cout << "r1\n");
r2->display( std::cout << "r2\n");
r3->display( std::cout << "r3\n");
ENSURE(r1->contains_fact(f77));
ENSURE(r1->contains_fact(f79));
ENSURE(!r1->contains_fact(f99));
//.........这里部分代码省略.........
示例2: get_sym
symbol params_ref::get_sym(char const * k, params_ref const & fallback, symbol const & _default) const {
return m_params ? m_params->get_sym(k, fallback, _default) : fallback.get_sym(k, _default);
}