1 //============================================================================== 2 // 3 // This file is part of GPSTk, the GPS Toolkit. 4 // 5 // The GPSTk is free software; you can redistribute it and/or modify 6 // it under the terms of the GNU Lesser General Public License as published 7 // by the Free Software Foundation; either version 3.0 of the License, or 8 // any later version. 9 // 10 // The GPSTk is distributed in the hope that it will be useful, 11 // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 // GNU Lesser General Public License for more details. 14 // 15 // You should have received a copy of the GNU Lesser General Public 16 // License along with GPSTk; if not, write to the Free Software Foundation, 17 // Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA 18 // 19 // This software was developed by Applied Research Laboratories at the 20 // University of Texas at Austin. 21 // Copyright 2004-2020, The Board of Regents of The University of Texas System 22 // 23 //============================================================================== 24 25 //============================================================================== 26 // 27 // This software was developed by Applied Research Laboratories at the 28 // University of Texas at Austin, under contract to an agency or agencies 29 // within the U.S. Department of Defense. The U.S. Government retains all 30 // rights to use, duplicate, distribute, disclose, or release this software. 31 // 32 // Pursuant to DoD Directive 523024 33 // 34 // DISTRIBUTION STATEMENT A: This software has been approved for public 35 // release, distribution is unlimited. 36 // 37 //============================================================================== 38 39 /// @file MathBase.hpp 40 /// Basic math #defines (ABS, SQRT, etc) 41 42 #ifndef GPSTK_MATH_BASE_HPP 43 #define GPSTK_MATH_BASE_HPP 44 45 //@fix MSVC doesnt like std::sqrt or std::abs, and disabling 46 //extensions allows abs(double) to be used instead of fabs() 47 #ifdef _MSC_VER 48 #undef _MSC_EXTENSIONS 49 #endif 50 #include <cmath> 51 #ifdef _MSC_VER 52 #define _MSC_EXTENSIONS 53 #endif 54 55 #ifdef ABS 56 #undef ABS 57 #endif 58 #ifdef SQRT 59 #undef SQRT 60 #endif 61 #ifdef MAX 62 #undef MAX 63 #endif 64 65 namespace gpstk 66 { 67 // do Doxygen elsewhere 68 #ifdef _MSC_VER 69 #define ABS(x) ::abs(x) 70 #define SQRT(x) ::sqrt(x) 71 #define MAX(x,y) std::max(x,y) 72 #else 73 #define ABS(x) std::abs(x) 74 #define SQRT(x) std::sqrt(x) 75 #define MAX(x,y) std::max(x,y) 76 #endif 77 78 } // namespace gpstk 79 #endif 80