LA_library/laerror.h

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/*
LA: linear algebra C++ interface library
Copyright (C) 2008 Jiri Pittner <jiri.pittner@jh-inst.cas.cz> or <jiri@pittnerovi.com>
This program 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.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
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#ifndef _LAERROR_H_
#define _LAERROR_H_
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#include <iostream>
#include <signal.h>
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namespace LA {
extern "C" {
extern int traceback(int flags);
extern void sigtraceback(int sig,int flags);
}
extern const bool _LA_warn_empty_copyonwrite;
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extern bool _LA_count_check; //intentionally not const
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//exception class for laerror
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class LAerror : public std::exception
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{
public:
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const char *msg;
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LAerror(const char *s) {msg=s;};
};
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#ifdef __GNUG__
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#define laerror(X) LA::laerror2(X, __PRETTY_FUNCTION__)
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#else
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#define laerror(X) LA::laerror2(X, __func__)
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#endif
extern void laerror2(const char *, const char *);
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inline std::ostream & operator<<(std::ostream &s, const LAerror &x) {
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s << x.msg;
return s;
}
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}//namespace
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#endif