/* Steven Andrews, 12/9/99. */
/* See documentation called Constants doc */
/* Copyright 2003 by Steven Andrews.  Permission is granted
   for non-commercial use of and modifications to the code. */
// SI are in mks units
// SSI are in small mks units: fs, aJ, aC, �, 1e-28 kg
//  The SSI units take some thought; they aren't automatic
//  However, 1 aJ = 1e-28 kg �^2 fs^-2

#define c_SI 2.99792458e8					// m/s
#define c_SSI 2997.92458					// �/fs
#define hbar_SI 1.054588664e-34		// J s
#define hbar_SSI 0.1054588664			// aJ fs
#define amu_SI 1.6605655e-27			// kg
#define amu_SSI 16.605655					// 1e-28 kg
#define e_SI 1.6021892e-19				// C
#define e_SSI 0.16021892					// aC
#define eps_SI 8.854187818e-12		// C^2/J m
#define eps_SSI 8.854187818e-4		// aC^2/aJ �
#define NA_SI 6.022045e23					// unitless