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+/******************************************************************************
+ * Top contributors (to current version):
+ * Aina Niemetz, Tim King, Mudathir Mohamed
+ *
+ * This file is part of the cvc5 project.
+ *
+ * Copyright (c) 2009-2021 by the authors listed in the file AUTHORS
+ * in the top-level source directory and their institutional affiliations.
+ * All rights reserved. See the file COPYING in the top-level source
+ * directory for licensing information.
+ * ****************************************************************************
+ *
+ * A simple demonstration of the transcendental extension.
+ */
+
+#include <iostream>
+
+#include <cvc5/cvc5.h>
+
+using namespace std;
+using namespace cvc5::api;
+
+int main()
+{
+ Solver slv;
+ slv.setLogic("QF_NRAT");
+
+ Sort real = slv.getRealSort();
+
+ // Variables
+ Term x = slv.mkConst(real, "x");
+ Term y = slv.mkConst(real, "y");
+
+ // Helper terms
+ Term two = slv.mkReal(2);
+ Term pi = slv.mkPi();
+ Term twopi = slv.mkTerm(MULT, two, pi);
+ Term ysq = slv.mkTerm(MULT, y, y);
+ Term sinx = slv.mkTerm(SINE, x);
+
+ // Formulas
+ Term x_gt_pi = slv.mkTerm(GT, x, pi);
+ Term x_lt_tpi = slv.mkTerm(LT, x, twopi);
+ Term ysq_lt_sinx = slv.mkTerm(LT, ysq, sinx);
+
+ slv.assertFormula(x_gt_pi);
+ slv.assertFormula(x_lt_tpi);
+ slv.assertFormula(ysq_lt_sinx);
+
+ cout << "cvc5 should report UNSAT." << endl;
+ cout << "Result from cvc5 is: " << slv.checkSat() << endl;
+
+ return 0;
+}
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