common.h

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/*
This file is part of Vlasiator.
 
Copyright 2010, 2011, 2012, 2013 Finnish Meteorological Institute
 
*/
 
#ifndef COMMON_H
#define COMMON_H
# include <stdint.h>
 
typedef uint32_t uint;
typedef const uint32_t cuint;
 
 
const uint WID = 4;         
const uint WID2 = WID*WID;  
const uint WID3 = WID2*WID; 
 
//set general floating point precision here. Default is single precision, use -DDP to set double precision
#ifdef DP
typedef double Real;
typedef const double creal;
#else
typedef float Real;
typedef const float creal;
#endif
 
 
#define MAX_BLOCKS_PER_DIM 1000
#ifdef ACC_SEMILAG_PLM
#define RECONSTRUCTION_ORDER 1
#endif
#ifdef ACC_SEMILAG_PPM
#define RECONSTRUCTION_ORDER 2
#endif
#ifdef ACC_SEMILAG_PQM
#define RECONSTRUCTION_ORDER 4
#endif
 
// Natural constants
namespace physicalconstants {
   const Real MU_0 = 1.25663706e-6;  
   const Real K_B = 1.3806503e-23;   
   const Real CHARGE = 1.60217653e-19; 
   const Real MASS_PROTON = 1.67262158e-27; 
   const Real R_E = 6.3712e6; 
}
 
 
#endif