00001 /* 00002 * WiPal - A library and a set of tools to manipulate wireless traces. 00003 * Copyright (C) 2008 Universite Pierre et Marie Curie - Paris 6 00004 * 00005 * This program is free software; you can redistribute it and/or modify 00006 * it under the terms of the GNU General Public License as published by 00007 * the Free Software Foundation; either version 2 of the License, or 00008 * (at your option) any later version. 00009 * 00010 * This program is distributed in the hope that it will be useful, 00011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00013 * GNU General Public License for more details. 00014 * 00015 * You should have received a copy of the GNU General Public License 00016 * along with this program; if not, write to the Free Software 00017 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 00018 * MA 02110-1301 USA 00019 * 00020 * Author: Thomas Claveirole <thomas.claveirole@lip6.fr> 00021 */ 00022 #ifndef TOOL_GMP_64_WRAPPER_HXX_ 00023 # define TOOL_GMP_64_WRAPPER_HXX_ 00024 00025 # include <wipal/tool/gmp_64_wrapper.hh> 00026 00027 namespace tool 00028 { 00029 00030 inline 00031 mpz_class 00032 mpz_of_uint64(uint64_t u) 00033 { 00034 const mpz_class u_hi = uint32_t (u >> 32); 00035 const mpz_class u_lo = uint32_t (u); 00036 00037 return (u_hi << 32) | u_lo; 00038 } 00039 00040 inline 00041 uint64_t 00042 uint64_of_mpz(const mpz_class u) 00043 { 00044 const uint64_t u_lo = u.get_ui() & 0xFFFFFFFF; 00045 const uint64_t u_hi = mpz_class (u >> 32).get_ui(); 00046 const uint64_t uint64 = (u_hi << 32) | u_lo; 00047 00048 return sgn(u) < 0 ? -uint64 : uint64; 00049 } 00050 00051 } // End of namespace tool. 00052 00053 #endif // TOOL_GMP_64_WRAPPER_HXX_