Revision 4c0c1a4097a4eb11899ad249841d6b6d73896d71 authored by David Lucas on 06 December 2018, 09:36:26 UTC, committed by David Lucas on 06 December 2018, 09:36:26 UTC
1 parent 74f7f5f
debug.h
/* -*- mode: C++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
// vim:sts=8:sw=8:ts=8:noet:sr:cino=>s,f0,{0,g0,(0,\:0,t0,+0,=s
/* utils/debug.h
*
* Copyright (C) 2011 Fflas-ffpack
* Modified by BB, from LinBox
* ========LICENCE========
* This file is part of the library FFLAS-FFPACK.
*
* FFLAS-FFPACK is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
* ========LICENCE========
*
*/
/*! @file utils/debug.h
* @ingroup util
* Various utilities for debugging.
* @todo we should put vector printing elsewhere.
*/
#ifndef __FFLASFFPACK_util_debug_H
#define __FFLASFFPACK_util_debug_H
#include <fflas-ffpack/fflas-ffpack-config.h>
#include <iostream>
#include <sstream>
#include <cmath>
#include "fflas-ffpack/fflas-ffpack-config.h"
#ifdef __FFLASFFPACK_HAVE_STDINT_H
#ifndef __STDC_LIMIT_MACROS
#define __STDC_LIMIT_MACROS
#endif
#include <stdint.h>
#include <limits>
// If somebody nasty previously included <stdint.h> without __STDC_LIMIT_MACROS :)
#ifndef INT64_MAX
#define INT64_MAX std::numeric_limits<int64_t>::max()
#endif
#ifndef UINT64_MAX
#define UINT64_MAX std::numeric_limits<uint64_t>::max()
#endif
#ifndef INT32_MAX
#define INT32_MAX std::numeric_limits<int32_t>::max()
#endif
#ifndef UINT32_MAX
#define UINT32_MAX std::numeric_limits<uint32_t>::max()
#endif
#ifndef INT16_MAX
#define INT16_MAX std::numeric_limits<int16_t>::max()
#endif
#ifndef UINT16_MAX
#define UINT16_MAX std::numeric_limits<uint16_t>::max()
#endif
#ifndef INT8_MAX
#define INT8_MAX std::numeric_limits<int8_t>::max()
#endif
#ifndef UINT8_MAX
#define UINT8_MAX std::numeric_limits<uint8_t>::max()
#endif
#else
#error "you need intXX_t types"
#endif
#ifndef NDEBUG
#include <stdexcept>
#define FFLASFFPACK_check(check) \
if (!(check)) {\
FFPACK::failure()(__func__, __FILE__, __LINE__, #check); \
throw std::runtime_error(#check); \
}
#define FFLASFFPACK_abort(msg) \
{\
FFPACK::failure()(__func__, __FILE__, __LINE__, msg); \
throw std::runtime_error(msg); \
}
#else
#define FFLASFFPACK_check(check) ((void) 0)
#define FFLASFFPACK_abort(mst) ((void) 0)
#endif
namespace FFPACK {
/*! A precondtion failed.
* @ingroup util
* The \c throw mechanism is usually used here as in
\code
if (!check)
failure()(__func__,__LINE__,"this check just failed");
\endcode
* The parameters of the constructor help debugging.
*/
class Failure {
protected:
std::ostream *_errorStream;
public:
Failure() {}
/*! @internal
* A precondtion failed.
* @param function usually \c __func__, the function that threw the error
* @param line usually \c __LINE__, the line where it happened
* @param check a string telling what failed.
*/
void operator() (const char *function, int line, const char *check)
{
if (_errorStream == (std::ostream *) 0)
_errorStream = &std::cerr;
(*_errorStream) << std::endl << std::endl;
(*_errorStream) << "ERROR (" << function << ":" << line << "): ";
(*_errorStream) << "Precondition not met:" << check << std::endl;
}
/*! @internal
* A precondtion failed.
* The parameter help debugging. This is not much different from the previous
* except we can digg faster in the file where the exception was triggered.
* @param function usually \c __func__, the function that threw the error
* @param file usually \c __FILE__, the file where this function is
* @param line usually \c __LINE__, the line where it happened
* @param check a string telling what failed.
*/
void operator() (const char* function, const char *file, int line, const char *check)
{
if (_errorStream == (std::ostream *) 0)
_errorStream = &std::cerr;
(*_errorStream) << std::endl << std::endl;
(*_errorStream) << "ERROR (at " << function << " in " << file << ':' << line << "): " << std::endl;
(*_errorStream) << "Precondition not met:" << check << std::endl;
}
void setErrorStream (std::ostream &stream);
/*! @internal overload the virtual print of LinboxError.
* @param o output stream
*/
std::ostream &print (std::ostream &o) const
{
if (std::ostringstream * str = dynamic_cast<std::ostringstream*>(_errorStream))
return o << str->str() ;
else
throw "FFLAS-FFPACK ERROR: Failure exception is not initialized correctly";
}
};
inline Failure& failure() {
static Failure failure_internal;
return failure_internal;
}
template<class T>
inline bool isOdd (const T & a) {
return (a%2);
}
inline bool isOdd(const float &a) {
return (bool)(int)fmodf(a,2.f);
}
inline bool isOdd(const double &a) {
return (bool)(int)fmod(a,2.);
}
} // FFPACK
#endif // __FFLASFFPACK_util_debug_H
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