// Copyright (c) 2005 // Utrecht University (The Netherlands), // ETH Zurich (Switzerland), // INRIA Sophia-Antipolis (France), // Max-Planck-Institute Saarbruecken (Germany), // and Tel-Aviv University (Israel). All rights reserved. // // This file is part of CGAL (www.cgal.org); you can redistribute it and/or // modify it under the terms of the GNU Lesser General Public License as // published by the Free Software Foundation; either version 3 of the License, // or (at your option) any later version. // // 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. // // $URL$ // $Id$ // // // Author(s) : various // Tests if MPFR is available. #include #include "gmp.h" #include "mpfr.h" int main() { mpfr_t b, p; mpfr_init (p); mpfr_init_set_str (b, "31", 10, GMP_RNDN); mpfr_mul_ui (p, b, 75, GMP_RNDU); /* generate product */ char *str = new char[50]; // 50 should be enough mp_exp_t exp; str = mpfr_get_str(str, &exp, 10, 0, p, GMP_RNDU); std::cout << str << " E " << exp << std::endl; delete[] str; #ifdef MPFR_VERSION std::cout << "version=" << MPFR_VERSION_MAJOR << "." << MPFR_VERSION_MINOR << "." << MPFR_VERSION_PATCHLEVEL << std::endl; #else // MPFR versions < 2.2.0 did not have version strings std::cout << "version=unknown" << std::endl; #endif return 0; }