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/***************************************************************************
defs.hh - Commonly used definitions
-------------------
begin : Sun Jun 11 2000
copyright : (C) 2000 by Erik Schnetter
email : schnetter@astro.psu.edu
$Header: /home/eschnett/C/carpet/Carpet/Carpet/CarpetLib/src/defs.hh,v 1.9 2002/12/31 13:29:07 schnetter Exp $
***************************************************************************/
/***************************************************************************
* *
* 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 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef DEFS_HH
#define DEFS_HH
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <assert.h>
#include <algorithm>
#include <complex>
#include <iostream>
#include <list>
#include <set>
#include <vector>
using namespace std;
// Stringification
#define STR(s) #s
// Fortranification
#define FORTRAN_NAME(x) x##_
// A general type
enum centering { vertex_centered, cell_centered };
// Useful helper
template<class T>
inline T square (const T& x) { return x*x; }
// Another useful helper
template<class T>
inline T ipow (const T& x, const int y) {
if (y<0) {
return T(1)/ipow(x,-y);
} else if (y==0) {
return T(1);
} else if (y%2) {
return x * ipow(x*x,y/2);
} else {
return ipow(x*x,y/2);
}
}
// Skip whitespace
void skipws (istream& is);
// Names for types
inline const char * typestring (const char& dummy)
{ return "char"; }
inline const char * typestring (const signed char& dummy)
{ return "signed char"; }
inline const char * typestring (const unsigned char& dummy)
{ return "unsigned char"; }
inline const char * typestring (const short& dummy)
{ return "short"; }
inline const char * typestring (const unsigned short& dummy)
{ return "unsigned short"; }
inline const char * typestring (const int& dummy)
{ return "int"; }
inline const char * typestring (const unsigned int& dummy)
{ return "unsigned int"; }
inline const char * typestring (const long& dummy)
{ return "long"; }
inline const char * typestring (const unsigned long& dummy)
{ return "unsigned long"; }
inline const char * typestring (const long long& dummy)
{ return "long long"; }
inline const char * typestring (const unsigned long long& dummy)
{ return "unsigned long long"; }
inline const char * typestring (const float& dummy)
{ return "float"; }
inline const char * typestring (const double& dummy)
{ return "double"; }
inline const char * typestring (const long double& dummy)
{ return "long double"; }
inline const char * typestring (const complex<float>& dummy)
{ return "complex<float>"; }
inline const char * typestring (const complex<double>& dummy)
{ return "complex<double>"; }
inline const char * typestring (const complex<long double>& dummy)
{ return "complex<long double>"; }
// Container input
template<class T> istream& input (istream& is, vector<T>& v);
template<class T>
inline istream& operator>> (istream& is, vector<T>& v) {
return input(is,v);
}
// Container output
template<class T> ostream& output (ostream& os, const list<T>& l);
template<class T> ostream& output (ostream& os, const set<T>& s);
template<class T> ostream& output (ostream& os, const vector<T>& v);
template<class T>
inline ostream& operator<< (ostream& os, const list<T>& l) {
return output(os,l);
}
template<class T>
inline ostream& operator<< (ostream& os, const set<T>& s) {
return output(os,s);
}
template<class T>
inline ostream& operator<< (ostream& os, const vector<T>& v) {
return output(os,v);
}
#endif // DEFS_HH
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