00001 #ifndef GENERIC_H 00002 #define GENERIC_H 00003 00009 00010 const double R=8.31468; 00012 const double tr=298.15; 00014 const double pr=1.e5; 00016 inline double sqr(double a){ 00017 return (a*a); 00018 } 00020 inline double cub(double a){ 00021 return (a*a*a); 00022 } 00024 inline double dirac(int i,int j){ 00025 return (i==j)?1.:0.; 00026 } 00027 #endif