Line data    Source code

       1             : // The libMesh Finite Element Library.
       2             : // Copyright (C) 2002-2025 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner
       3             : 
       4             : // This library is free software; you can redistribute it and/or
       5             : // modify it under the terms of the GNU Lesser General Public
       6             : // License as published by the Free Software Foundation; either
       7             : // version 2.1 of the License, or (at your option) any later version.
       8             : 
       9             : // This library is distributed in the hope that it will be useful,
      10             : // but WITHOUT ANY WARRANTY; without even the implied warranty of
      11             : // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12             : // Lesser General Public License for more details.
      13             : 
      14             : // You should have received a copy of the GNU Lesser General Public
      15             : // License along with this library; if not, write to the Free Software
      16             : // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
      17             : 
      18             : 
      19             : 
      20             : #ifndef LIBMESH_LIBMESH_AUGMENT_STD_NAMESPACE_H
      21             : #define LIBMESH_LIBMESH_AUGMENT_STD_NAMESPACE_H
      22             : 
      23             : #include "libmesh_common.h"
      24             : 
      25             : 
      26             : // For some reason the real std::max, std::min
      27             : // don't handle mixed compatible types
      28             : #define LIBMESH_DEFINE_MAX_MIN(type1, type2) \
      29             : inline auto max(type1 a, type2 b) -> decltype(a>b?a:b) \
      30             : { return (a>b?a:b); } \
      31             : inline auto min(type1 a, type2 b) -> decltype(a<b?a:b) \
      32             : { return (a<b?a:b); }
      33             : 
      34             : #define LIBMESH_DEFINE_BOTH_MAX_MIN(type1, type2) \
      35             : LIBMESH_DEFINE_MAX_MIN(type1, type2) \
      36             : LIBMESH_DEFINE_MAX_MIN(type2, type1)
      37             : 
      38             : namespace std {
      39             : LIBMESH_DEFINE_BOTH_MAX_MIN(long double, double)
      40             : LIBMESH_DEFINE_BOTH_MAX_MIN(long double, float)
      41     1199560 : LIBMESH_DEFINE_BOTH_MAX_MIN(double, float)
      42             : 
      43             : #ifdef LIBMESH_DEFAULT_QUADRUPLE_PRECISION
      44             : LIBMESH_DEFINE_BOTH_MAX_MIN(libMesh::Real, long double)
      45             : LIBMESH_DEFINE_BOTH_MAX_MIN(libMesh::Real, double)
      46             : LIBMESH_DEFINE_BOTH_MAX_MIN(libMesh::Real, float)
      47             : #endif
      48             : 
      49             : // fix for std::abs() overload ambiguity with older PGI
      50             : #if defined(__PGI) && !defined(__NVCOMPILER)
      51             : inline double abs(double a)
      52             : { return ::fabs(a); }
      53             : #endif
      54             : }
      55             : 
      56             : #endif // #define LIBMESH_LIBMESH_AUGMENT_STD_NAMESPACE_H