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Add new C++ APIs for creating forall/exists expressions.

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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2013-05-09 21:30:31 -07:00
parent 787a65be29
commit c8c5f30b49
2 changed files with 88 additions and 43 deletions
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25
examples/c++/example.cpp
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@ -907,6 +907,7 @@ void enum_sort_example() {
}
void expr_vector_example() {
std::cout << "expr_vector example\n";
context c;
const unsigned N = 10;
@ -928,6 +929,29 @@ void expr_vector_example() {
std::cout << "solution\n" << m;
}
void exists_expr_vector_example() {
std::cout << "exists expr_vector example\n";
context c;
const unsigned N = 10;
expr_vector xs(c);
expr x(c);
expr b(c);
b = c.bool_val(true);
for (unsigned i = 0; i < N; i++) {
std::stringstream x_name;
x_name << "x_" << i;
x = c.int_const(x_name.str().c_str());
xs.push_back(x);
b = b && x >= 0;
}
expr ex(c);
ex = exists(xs, b);
std::cout << ex << std::endl;
}
int main() {
try {
demorgan(); std::cout << "\n";
@ -964,6 +988,7 @@ int main() {
incremental_example3(); std::cout << "\n";
enum_sort_example(); std::cout << "\n";
expr_vector_example(); std::cout << "\n";
exists_expr_vector_example(); std::cout << "\n";
std::cout << "done\n";
}
catch (exception & ex) {