mirror of
https://github.com/NGSolve/netgen.git
synced 2024-09-22 17:52:50 +05:00
116 lines
2.7 KiB
C++
116 lines
2.7 KiB
C++
#ifndef FILE_NGSTREAM
|
|
#define FILE_NGSTREAM
|
|
|
|
/**************************************************************************/
|
|
/* File: ng(s)stream.hpp */
|
|
/* Author: Joachim Schoeberl */
|
|
/* Date: 20. Jul. 2011 */
|
|
/**************************************************************************/
|
|
|
|
// #include <ios>
|
|
// #include <iostream>
|
|
namespace ngcore
|
|
{
|
|
|
|
NGCORE_API extern int printmessage_importance;
|
|
|
|
// important message
|
|
class IM
|
|
{
|
|
int value;
|
|
public:
|
|
IM (int val) : value(val) { ; }
|
|
int Value () const { return value; }
|
|
};
|
|
|
|
class trunc
|
|
{
|
|
double eps;
|
|
public:
|
|
trunc (double aeps) : eps(aeps) { ; }
|
|
double Eps() const { return eps; }
|
|
};
|
|
|
|
class NGSOStream
|
|
{
|
|
std::ostream & ost;
|
|
bool active;
|
|
NGCORE_API static bool glob_active;
|
|
double trunc;
|
|
public:
|
|
NGSOStream (std::ostream & aost, bool aactive)
|
|
: ost(aost), active(aactive), trunc(-1) { ; }
|
|
NGSOStream & SetTrunc (double atrunc) { trunc = atrunc; return *this; }
|
|
double GetTrunc () const { return trunc; }
|
|
bool Active () const { return active && glob_active; }
|
|
std::ostream & GetStream () { return ost; }
|
|
static void SetGlobalActive (bool b) { glob_active = b; }
|
|
};
|
|
|
|
inline NGSOStream operator<< (std::ostream & ost, const IM & im)
|
|
{
|
|
return NGSOStream (ost,
|
|
(im.Value() <= printmessage_importance));
|
|
}
|
|
|
|
/*
|
|
// doesn't work for matrices
|
|
inline NGSOStream operator<< (ostream & ost, trunc tr)
|
|
{
|
|
cout << "set trunc modifier" << endl;
|
|
return NGSOStream (ost, true).SetTrunc (tr.Eps());
|
|
}
|
|
*/
|
|
|
|
|
|
template <typename T>
|
|
inline NGSOStream operator<< (NGSOStream ngsost, const T & data)
|
|
{
|
|
if (ngsost.Active())
|
|
ngsost.GetStream() << data;
|
|
return ngsost;
|
|
}
|
|
|
|
/*
|
|
inline NGSOStream operator<< (NGSOStream ngsost, const double & data)
|
|
{
|
|
cout << "double out" << endl;
|
|
if (ngsost.Active())
|
|
{
|
|
double hdata = data;
|
|
if (fabs (hdata) < ngsost.GetTrunc()) hdata = 0.0;
|
|
ngsost.GetStream() << hdata;
|
|
}
|
|
return ngsost;
|
|
}
|
|
*/
|
|
|
|
inline NGSOStream operator<< (NGSOStream ngsost, std::ostream& ( *pf )(std::ostream&))
|
|
{
|
|
if ( ngsost.Active() )
|
|
ngsost.GetStream() << (*pf);
|
|
|
|
return ngsost;
|
|
}
|
|
|
|
inline NGSOStream operator<< (NGSOStream ngsost, std::ios& ( *pf )(std::ios&))
|
|
{
|
|
if ( ngsost.Active() )
|
|
ngsost.GetStream() << (*pf);
|
|
|
|
return ngsost;
|
|
}
|
|
|
|
inline NGSOStream operator<< (NGSOStream ngsost, std::ios_base& ( *pf )(std::ios_base&))
|
|
{
|
|
if ( ngsost.Active() )
|
|
ngsost.GetStream() << (*pf);
|
|
|
|
return ngsost;
|
|
}
|
|
|
|
|
|
}
|
|
|
|
#endif
|