tests for convenience functions

2008-10-05 09:16:27 +00:00 · 2008-10-05 09:16:27 +00:00 · 4df4bd8dc4
parent dec2d127ce
commit 4df4bd8dc4
1 changed files with 117 additions and 0 deletions
--- a/Polynomial/test/Polynomial/polynomial_functions.cpp
+++ b/Polynomial/test/Polynomial/polynomial_functions.cpp
@ -0,0 +1,117 @@
+// ============================================================================
+//
+// Copyright (c) 2001-2008 Max-Planck-Institut Saarbruecken (Germany).
+// All rights reserved.
+//
+// This file is part of EXACUS (http://www.mpi-inf.mpg.de/projects/EXACUS/);
+// you may redistribute it under the terms of the Q Public License version 1.0.
+// See the file LICENSE.QPL distributed with EXACUS.
+//
+// Licensees holding a valid commercial license may use this file in
+// accordance with the commercial license agreement provided with the software.
+//
+// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+//
+// ----------------------------------------------------------------------------
+//
+// Library       : CGAL
+// File          : test/Polynomial/polynomial_functions.C
+// CGAL_release   : $Name:  $
+// Revision      : $Revision$
+// Revision_date : $Date$
+//
+// Author(s)     : Eric Berberich <eric@mpi-inf.mpg.de>
+//                 Arno Eigenwillig <arno@mpi-inf.mpg.de>
+//
+// ============================================================================
+
+/*! \file polynomial_functions.C
+  test for functions related to polynomials
+*/
+
+#include <CGAL/config.h>
+#include <CGAL/Arithmetic_kernel.h>
+#include <CGAL/Polynomial.h>
+#include <CGAL/Polynomial/polynomial_functions.h>
+#include <cassert>
+#include <cstdlib>
+
+typedef int NT;
+typedef CGAL::Polynomial<NT> UNPOLY;
+typedef CGAL::Polynomial<UNPOLY> BIPOLY;
+typedef CGAL::Polynomial<BIPOLY> TRIPOLY;
+
+template <class AK>
+void bivariate_polynomial_test() {
+
+    BIPOLY f0;
+    
+    // f = xy^2 + 3x^2y + 2x - 1
+    BIPOLY f = BIPOLY(UNPOLY(NT(-1), NT(2)), UNPOLY(NT(0), NT(0), NT(3)),
+                      UNPOLY(NT(0), NT(1))
+    );
+
+    // differentiation
+    // fx = y^2 + 6xy + 2
+    BIPOLY fx = BIPOLY(UNPOLY(NT(2)), UNPOLY(NT(0), NT(6)),
+            UNPOLY(NT(1))
+    );
+
+    // LCC
+    assert(CGAL::check_leadcoeff(f0) == true);
+    assert(CGAL::check_leadcoeff(f) == false);
+    assert(CGAL::check_leadcoeff(fx) == true);
+}
+
+
+template <class AK>
+void trivariate_polynomial_test() {
+    
+    
+    TRIPOLY f0;
+    assert(CGAL::check_leadcoeff(f0) == true);
+    
+    // f1 = xz^2 + 4yz - 2x^2z + 5x - 3y + 8z -6
+    TRIPOLY f1 = TRIPOLY(
+            BIPOLY(UNPOLY(NT(-6), NT(5)), UNPOLY(NT(-3))),
+            BIPOLY(UNPOLY(NT(8), NT(0), NT(-2)), UNPOLY(NT(4))),
+            BIPOLY(UNPOLY(NT(0),NT(1)))
+    );
+
+    // f2 = 9z^3 + -5yz - 2x^2z + 5x + 8z -6
+    TRIPOLY f2 = TRIPOLY(
+            BIPOLY(UNPOLY(NT(-6), NT(5))),
+            BIPOLY(UNPOLY(NT(8), NT(0), NT(-2)), UNPOLY(NT(-5))),
+            BIPOLY(UNPOLY(NT(0))),
+            BIPOLY(UNPOLY(NT(9)))
+    );
+    
+    // LCC
+    assert(CGAL::check_leadcoeff(f1) == false);
+    assert(CGAL::check_leadcoeff(f2) == true);
+}
+
+
+template <class AK>
+void polynomial_functions_test() {
+    ::CGAL::set_pretty_mode(std::cout);
+    
+    //std::cout<<" univariate "<<std::endl;    
+    //univariate_polynomial_test<AK>();
+    std::cout<<" bivariate "<<std::endl;
+    bivariate_polynomial_test<AK>();
+    std::cout<<" trivariate "<<std::endl;
+    trivariate_polynomial_test<AK>();
+}
+
+
+int main(){
+#ifdef CGAL_USE_LEDA
+    polynomial_functions_test<CGAL::LEDA_arithmetic_kernel>();
+#endif // CGAL_USE_LEDA
+#ifdef CGAL_USE_CORE
+    polynomial_functions_test<CGAL::CORE_arithmetic_kernel>();
+#endif // CGAL_USE_CORE
+}
+// EOF