Mercurial > octave
view libinterp/corefcn/oct-errno.h @ 31227:0dec459a4064
sparse-xpow.cc: Performance tweak for threshold selection
author | Arun Giridhar <arungiridhar@gmail.com> |
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date | Wed, 14 Sep 2022 09:59:31 -0400 |
parents | 796f54d4ddbf |
children | 597f3ee61a48 |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 2005-2022 The Octave Project Developers // // See the file COPYRIGHT.md in the top-level directory of this // distribution or <https://octave.org/copyright/>. // // This file is part of Octave. // // Octave is free software: you can redistribute it and/or modify it // under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // Octave is distributed in the hope that it will be useful, but // WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with Octave; see the file COPYING. If not, see // <https://www.gnu.org/licenses/>. // //////////////////////////////////////////////////////////////////////// #if ! defined (octave_oct_errno_h) #define octave_oct_errno_h 1 #include "octave-config.h" #include <cerrno> #include <map> #include <string> #include "oct-map.h" class octave_errno { protected: octave_errno (void); public: ~octave_errno (void) = default; static bool instance_ok (void); static void cleanup_instance (void) { delete s_instance; s_instance = nullptr; } static int lookup (const std::string& name); static octave_scalar_map list (void); static int get (void) { return errno; } static int set (int val) { int retval = errno; errno = val; return retval; } private: int do_lookup (const std::string& name); octave_scalar_map do_list (void); //-------- std::map<std::string, int> m_errno_tbl; static octave_errno *s_instance; }; #endif